2014 United States Senate election in Colorado

none January 2026 January 2018 2014 United States Senate election in Colorado Colorado presidential no 2008 United States Senate election in Colorado 2008 2020 United States Senate election in Colorado 2020 November 4, 2014 150x150px File:Cory Gardner, Official Portrait, 112th Congress (cropped).jpg Cory Gardner Republican Party (United States) 983,891 48.21% File:MarkUdall-Senate Portrait.jpg Mark Udall Democratic Party (United States) 944,203 46.26% 250px County results 250px Congressional district results 250px Precinct results 250px Gardner: #ffb2b2 40–50% #e27f7f 50–60% #d75d5d 60–70% #d72f30 70–80% #c21b18 80–90% #A80000 >90%Udall: #a5b0ff 40–50% #7996e2 50–60% #6674de 60–70% #584cde 70–80% #3933e5 80–90% #0D0596 >90%Tie: #ae8bb1 50% #808080 No votes U.S. Senator Mark Udall Democratic Party (United States) Cory Gardner Republican Party (United States) The 2014 United States Senate election in Colorado was held on November 4, 2014, to elect a member of the United States Senate to represent the State of Colorado, concurrently with the election of the Governor of Colorado, other elections to the United States Senate, elections to the United States House of Representatives, and various state and local elections. Incumbent Democratic Senator Mark Udall ran for re-election to a second term, but narrowly lost to Republican U.S. Representative Cory Gardner by a margin of 1.9 percent. Despite Gardner's win however, with slightly over 48% of the vote, it is the lowest a winning Republican had received in the Class 2 Senate seat since 1918. As of , this is the last time that a Republican has won a U.S. Senate race in Colorado. Democratic primary Mark Udall was the only Democrat to file to run, and thus at the Democratic state assembly on April 12, 2014, he was renominated unopposed. Candidates Nominee Mark Udall, incumbent U.S. Senatorhttp://coloradopols.com/diary/19205/sen-mark-udall-launches-2014-reelection-campaign Sen. Mark Udall Kicks Off 2014 Re-Election Campaign January 17, 2013 January 27, 2013 Colorado Pols http://www.denverpost.com/news/ci_25554780/flood-recovery-rallies-democrats-they-renominate-hick-udall Flood recovery rallies Democrats as they renominate Hick, Udall April 12, 2014 April 13, 2014 The Denver Post Alison Noon Results Democratic primary resultshttps://results.enr.clarityelections.com/CO/51557/134955/en/summary.html CO - Election Results December 18, 2022 Mark Udall (incumbent) Democratic Party (United States) 213,746 100.00% 213,746 100.00% Republican primary At the Republican state assembly on April 12, 2014, Cory Gardner received 73% of the votes of over 3,900 delegates. Neither Randy Baumgardner nor Tom Janich received the required 30% to make the ballot and thus Gardner received the party's nomination. Candidates Nominee Cory Gardner, U.S. Representativehttps://www.denverpost.com/politics/ci_23340104/cory-gardner-wont-challenge-mark-udall-senate Cory Gardner says he won't challenge Mark Udall for Senate in Colorado May 28, 2013 May 29, 2013 The Denver Post Allison Sherryhttps://www.denverpost.com/breakingnews/ci_25233265/u-s-rep-cory-gardner-enter-u-s U.S. Rep. Cory Gardner to enter U.S. Senate race against Mark Udall February 26, 2014 February 26, 2014 The Denver Post Lynn Bartelshttps://www.denverpost.com/news/ci_25553402/u-s-rep-cory-gardner-clear-favorite-become Rep. Cory Gardner wins big at assembly, will challenge Sen. Mark Udall April 12, 2014 April 13, 2014 The Denver Post Kurtis Lee Rejected in convention Randy Baumgardner, state senatorhttp://blogs.denverpost.com/thespot/2013/07/07/randy-baumgardner-kicks-off-u-s-senate-campaign-friday-against-mark-udall/98072/ Randy Baumgardner to kick off U.S. Senate campaign Friday against Mark Udall July 7, 2013 July 9, 2013 Denver Post Lynn Bartels Tom Janich, perennial candidatehttp://www.coloradostatesman.com/content/994647-crowded-field-republican-senate-hopefuls-united Crowded field of Republican Senate hopefuls united February 17, 2014 March 21, 2014 Colorado Statesman Ernest Luning https://web.archive.org/web/20140414055507/http://www.coloradostatesman.com/content/994647-crowded-field-republican-senate-hopefuls-united April 14, 2014 dead Withdrew Mark Aspiri, businessmanhttp://blogs.denverpost.com/thespot/2014/04/01/mark-aspiri-suspends-u-s-senate-bid/107680/ Mark Aspiri becomes the 5th Republican to drop out of the U.S. Senate race since Rep. Cory Gardner jumped in The Denver Post April 1, 2014 April 1, 2014 Ken Buck, Weld County District Attorney and nominee for the U.S. Senate in 2010 (ran for CO-04)https://www.denverpost.com/breakingnews/ci_23586127/weld-republican-ken-buck-weighs-bid-unseat-u Weld Republican Ken Buck weighs bid to unseat U.S. Sen. Mark Udall July 2, 2013 July 3, 2013 Denver Posthttp://blogs.denverpost.com/thespot/2013/08/07/ken-buck-files-paperwork-to-run-for-u-s-senate-in-2014/99119/ Republican Ken Buck files paperwork to run for U.S. Senate in 2014, four years after loss August 7, 2013 August 7, 2013 Denver Posthttp://atr.rollcall.com/ken-buck-senate-cory-gardner-seat/ Ken Buck Drops Senate Bid to Run for Cory Gardner's Seat February 26, 2014 February 26, 2014 Roll Call November 6, 2014 https://web.archive.org/web/20141106015331/http://atr.rollcall.com/ken-buck-senate-cory-gardner-seat/ dead Owen Hill, state senatorhttps://thehill.com/blogs/ballot-box/201036-gardners-final-primary-foe-drops-bid-in-colorado/ Gardner gets clear primary path in Colorado March 18, 2014 March 18, 2014Schrader, Megan. Republican Owen Hill plans to make bid for Mark Udall's U.S. Senate seat June 8, 2013. Retrieved June 9, 2013. Jaime McMillan, businessmanhttp://outfrontonline.com/ofcnow/gop-u-s-senate-hopeful-to-stop-by-denver-pridefest/ GOP U.S. Senate hopeful to stop by Denver PrideFest June 13, 2013 July 9, 2013 Out Front Nic Garcia https://web.archive.org/web/20131017013739/http://outfrontonline.com/ofcnow/gop-u-s-senate-hopeful-to-stop-by-denver-pridefest/ October 17, 2013 dead http://blogs.denverpost.com/thespot/2014/02/24/join-denver-post-senatorial-debates/106255/ Join The Denver Post for the GOP Senatorial debate February 24, 2014 February 27, 2014 The Denver Post Hugh Johnson Amy Stephens, state representativehttps://www.denverpost.com/breakingnews/ci_24290828/republican-rep-amy-stephens-run-u-s-senate Republican Rep. Amy Stephens to run for U.S. Senate in 2014 October 11, 2013 October 12, 2013 The Denver Post Kurtis Leehttp://www.weeklystandard.com/blogs/colorado-shake-gardner-senate-buck-congress_783459.html https://web.archive.org/web/20140302081905/http://www.weeklystandard.com/blogs/colorado-shake-gardner-senate-buck-congress_783459.html dead March 2, 2014 Colorado Shake-Up: Gardner for Senate, Buck for Congress February 26, 2014 February 26, 2014 The Weekly Standard Michael Warren Floyd Trujillo, businessmanhttps://www.facebook.com/FloydTrujilloForSenate/photos/a.667167333334600.1073741828.659780277406639/685409444843722/?type=1 Special Announcement From Floyd Trujillo March 1, 2014 March 21, 2014 Facebook Floyd Trujillo Declined Bob Beauprez, former U.S. Representative and nominee for Governor in 2006 (running for Governor)http://www.rollcall.com/news/in_colorado_dearth_of_challengers_to_face_udall-221127-1.html?pos=hln In Colorado, Dearth of Challengers to Face Udall January 26, 2013 January 26, 2013 Roll Call Abby Livingstonhttps://kdvr.com/news/schaffer-beauprez-brophy-keeping-2014-options-open/ Schaffer, Beauprez, Brophy keeping 2014 options open November 20, 2012 December 18, 2022https://www.denverpost.com/news/ci_25250713/bob-beauprez-expected-announce-gop-gubernatorial-run Bob Beauprez expected to announce GOP gubernatorial run February 28, 2014 March 8, 2014 The Denver Post Mike Coffman, U.S. Representativehttp://blogs.denverpost.com/thespot/2013/01/23/coffman-running-udall-year-interested/ Coffman on running against Udall in 2014: Not Interested January 23, 2013 January 25, 2013 Denver Post Allison Sherry Dan Domenico, Solicitor General of Coloradohttp://kdvr.com/2013/05/29/with-gardner-out-republicans-still-struggling-to-find-challenger-for-udall/ With Gardner out, Republicans still struggling to find challenger for Udall May 29, 2013 May 30, 2013 KDVR Eli Stokols Doug Lamborn, U.S. Representativehttps://www.huffingtonpost.com/2012/11/29/2014-senate-races-democrats_n_2145927.html 2014 Senate Races Likely To Keep Democrats On The Defensive November 29, 2012 May 15, 2013 The Huffington Posthttp://www.csindy.com/IndyBlog/archives/2014/01/16/lamborn-seeks-fifth-term Lamborn seeks fifth term January 16, 2014 March 21, 2014 Colorado Springs Independent Zubeck Pam January 22, 2014 https://web.archive.org/web/20140122110655/http://www.csindy.com/IndyBlog/archives/2014/01/16/lamborn-seeks-fifth-term dead Jane Norton, former lieutenant governor of Colorado and candidate for the U.S. Senate in 2010http://atr.rollcall.com/jane-norton-endorses-in-colorado-gop-senate-primary/ Jane Norton Endorses in Colorado GOP Senate Primary December 11, 2013 December 11, 2013 Roll Call Kyle Trygstadhttps://www.politico.com/blogs/david-catanese/2011/05/ayotte-name-drops-norton-for-2014-035638?showall Ayotte name drops Norton for 2014 David Catanese POLITICO November 24, 2014 Scott Renfroe, state senatorhttp://atr.rollcall.com/colorado-republicans-continue-senate-candidate-search-cosen/ Colorado Republicans Continue Senate Candidate Search #COSEN July 3, 2013 July 4, 2013 The Hill July 8, 2013 https://web.archive.org/web/20130708125814/http://atr.rollcall.com/colorado-republicans-continue-senate-candidate-search-cosen/ dead http://www.mywindsornow.com/news/10384058-113/conway-district-congressional-republican Renfroe challenges Buck for GOP nomination for 4th Congressional District seat, Conway ponders run February 28, 2014 March 21, 2014 Windsor Now https://web.archive.org/web/20160304095417/http://www.mywindsornow.com/news/10384058-113/conway-district-congressional-republican March 4, 2016 dead Victor E. Renuart Jr., former commander of United States Northern Command and the North American Aerospace Defense Command Ellen Roberts, state senatorhttps://www.durangoherald.com/article/20130518/NEWS01/130519457/-1/News 2014 elections: Who's in, who's on the fence Joe Hanel Stefanie Dazio May 18, 2013 August 8, 2013 The Durango Heraldhttp://www.montrosepress.com/news/sen-ellen-roberts-announces-re-election-campaign/article_8d817fce-4e88-11e3-a3e4-0019bb2963f4.html Sen. Ellen Roberts announces re-election campaign Drew Setterholm November 16, 2013 March 21, 2014 Montrose Daily Press John Suthers, Attorney General of Colorado Scott Tipton, U.S. Representativehttp://csbj.com/2013/05/31/2014-election-will-produce-familiar-names/ 2014 election will produce familiar names Ralph Routon May 31, 2013 August 8, 2013 Colorado Springs Business Journal Endorsements Cory Gardner Individuals Ken Buck, Weld County District Attorney and former candidate for U.S. Senatehttp://blogs.denverpost.com/thespot/2014/02/28/cory-gardner-announce-u-s-senate-candidacy-saturday-denver/106453/ Rep. Cory Gardner to announce U.S. Senate candidacy Saturday in Denver February 28, 2014 March 1, 2014 The Denver Post Kurtis Lee Rick Santorum, former U.S. Senator from Pennsylvania and candidate for President of the United States in 2012http://www.patriotvoices.com/rick_santorum_and_patriot_voices_pac_announce_endorsements_in_four_key_u_s_senate_races https://web.archive.org/web/20140426201734/http://www.patriotvoices.com/rick_santorum_and_patriot_voices_pac_announce_endorsements_in_four_key_u_s_senate_races dead April 26, 2014 Rick Santorum and Patriot Voices PAC Announce Endorsements in Four Key U.S. Senate Races April 22, 2014 April 25, 2014 Patriot Voices Amy Stephens, State Representative and former candidate for U.S. Senate Newspapers The Denver Posthttps://www.denverpost.com/2014/10/10/cory-gardner-for-u-s-senate/ Cory Gardner for U.S. Senate October 10, 2014 December 11, 2017 The Denver Post Polling Poll source Date(s)administered Samplesize Margin oferror MarkAspiri RandyBaumgardner CoryGardner OwenHill TomJanich FloydTrujillo Other UndecidedPublic Policy PollingPublic Policy Polling March 13–16, 2014 255 ± 6.1% 3% 15% 44% 6% 4% 0% — 29% background:#cff Hypothetical polling border:solid 1px silver; padding:8px; background:var(--background-color-base); color:var(--color-base); Poll source Date(s)administered Samplesize Margin oferror MarkAspiri RandyBaumgardner KenBuck OwenHill JaimeMcMillan AmyStephens Other UndecidedPublic Policy PollingPublic Policy Polling December 3–4, 2013 335 ± 5.2% 0% 8% 45% 2% 1% 7% — 37% Results Republican primary results Cory Gardner Republican Party (United States) 338,324 100.00% 338,324 100.00% Libertarian Party Candidates Nominated Gaylon Kent, candidate for Colorado's 3rd congressional district in 2012http://www.chieftain.com/news/politics/2442783-120/liberty-kent-steamboat-campaign Libertarians announce pick for U.S. Senate The Pueblo Chieftain April 5, 2014 April 25, 2014 https://web.archive.org/web/20140413132524/http://www.chieftain.com/news/politics/2442783-120/liberty-kent-steamboat-campaign April 13, 2014 dead mdy-all Unity Party of America Candidates Nominated Bill Hammons, founder and National Chairman of the Unity Party of Americahttp://www.sos.state.co.us/pubs/elections/vote/generalCandidates.html 2014 General Election Official Candidate List sos.state.co.us September 18, 2014 September 18, 2014 October 28, 2016 https://web.archive.org/web/20161028081211/http://www.sos.state.co.us/pubs/elections/vote/generalCandidates.html dead Independents Candidates Declared Raúl Acosta, IT professionalhttp://www.9news.com/video/3793342766001/50629282001/US-Senate-candidate-Raul-Acosta https://archive.today/20141110212735/http://www.9news.com/video/3793342766001/50629282001/US-Senate-candidate-Raul-Acosta dead November 10, 2014 U.S. Senate candidate: Raul Acosta 9News September 18, 2014 November 10, 2014 Steve Shogan, neurosurgeonhttps://www.denverpost.com/news/ci_25629935/doctor-enters-colorado-senate-race-says-he-appeals Gardner, Udall tied in Senate race with new challenger jumping in The Denver Post April 25, 2014 April 25, 2014 General election Fundraising Candidate Raised Spent Cash on Hand Mark Udall (D) $14,088,510 $15,746,249 $536,332 Cory Gardner (R) $9,680,263 $9,100,730 $1,875,029 Debates Complete video of debate, October 6, 2014 Complete video of debate, October 15, 2014 Predictions Source Ranking As of The Cook Political Report2014 Senate Race Ratings for November 3, 2014 https://www.cookpolitical.com/ratings/senate-race-ratings/139256 The Cook Political Report September 20, 2018 Tossup November 3, 2014 Sabato's Crystal BallThe Crystal Ball's Final 2014 Picks http://www.centerforpolitics.org/crystalball/articles/the-crystal-balls-final-2014-picks/ Sabato's Crystal Ball September 20, 2018 Lean R Flip November 3, 2014 Rothenberg Political Report2014 Senate Ratings http://www.insideelections.com/ratings/senate/2014-senate-ratings-november-6-2014 Senate Ratings The Rothenberg Political Report September 20, 2018 Tilt R Flip November 3, 2014 Real Clear Politics2014 Elections Map - Battle for the Senate 2014 https://www.realclearpolitics.com/epolls/2014/senate/2014_elections_senate_map.html Real Clear Politics September 20, 2018 Tossup November 3, 2014 Polling Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) CoryGardner (R) Other UndecidedPublic Policy PollingPublic Policy Polling November 1–2, 2014 739 ± 3.6% 45% 48% 5%Raúl Acosta (I) 1%, Bill Hammons (UP) 0%, Gaylon Kent (L) 2%, Steve Shogan (I) 0% 3% 47% 50% — 3%Quinnipiac UniversityQuinnipiac University October 28 – November 2, 2014 815 ± 3.4% 43% 45% 7%Steve Shogan (I) 6%, Other 1% 4% 45% 46% 2% 6%YouGovYouGov October 25–31, 2014 1,417 ± 3.3% 42% 43% 5% 11%Public Policy PollingPublic Policy Polling October 28–29, 2014 573 ± ? 48% 48% — 4%SurveyUSASurveyUSA https://web.archive.org/web/20141030230221/http://extras.mnginteractive.com/live/media/site36/2014/1030/20141030_123413_SurveyUSA_data.pdf October 30, 2014 October 27–29, 2014 618 ± 4% 44% 46% 5%Gaylon Kent (L) 2%, Steve Shogan (I) 3% 5%Vox Populi PollingVox Populi Polling October 26–27, 2014 642 ± 3.9% 43% 46% — 10%Quinnipiac UniversityQuinnipiac University October 22–27, 2014 844 ± 3.4% 39% 46% 8%Steve Shogan (I) 7%, Other 1% 7% 41% 49% 2% 9%Strategies 360Strategies 360 October 20–25, 2014 604 ± 4% 45% 44% 4% 8%Rasmussen ReportsRasmussen Reports October 21–23, 2014 966 ± 3% 45% 51% 2% 2%Harstad Strategic ResearchHarstad Strategic Research October 19–23, 2014 1,004 ± ? 44% 43% 6% 6%CBS News/NYT/YouGovCBS News/NYT/YouGov October 16–23, 2014 1,611 ± 4% 47% 46% 1% 6%NBC News/MaristNBC News/Marist October 18–22, 2014 755 LV ± 3.6% 45% 46% 3% 5% 953 RV ± 3.2% 45% 44% 3% 8%Suffolk UniversitySuffolk University https://web.archive.org/web/20141023015219/http://www.suffolk.edu/documents/SUPRC/10_22_2014_marginals.pdf October 23, 2014 October 18–21, 2014 500 ± 4.4% 39% 46% 6%Raúl Acosta (I) 1%, Bill Hammons (UP) 1%, Gaylon Kent (L) 3%, Steve Shogan (I) 2% 9%Quinnipiac UniversityQuinnipiac University October 15–21, 2014 974 ± 3.1% 41% 46% 6%Steve Shogan (I) 6% 44% 48% 2% 7%Monmouth UniversityMonmouth University October 17–20, 2014 431 ± 4.7% 46% 47% 4% 3%IPSOSIPSOS October 13–20, 2014 1,099 ± 3.4% 45% 47% — 8%Public Policy PollingPublic Policy Polling October 16–19, 2014 778 ± 3.5% 43% 46% 5%Raúl Acosta (I) 1%, Bill Hammons (UP) 1%, Gaylon Kent (L) 2%, Steve Shogan (I) 1% 7% 44% 47% — 9%Gravis MarketingGravis Marketing October 16, 2014 695 ± 4% 43% 48% 4% 5%Benenson Strategy GroupBenenson Strategy Group https://web.archive.org/web/20141019185849/https://salsa3.salsalabs.com/o/50742/images/PNACOSenateMemoOct1814.pdf October 19, 2014 October 15–16, 2014 600 ± ? 47% 44% 1% 8%Mellman GroupMellman Group https://web.archive.org/web/20141019190249/https://salsa3.salsalabs.com/o/50742/images/COSenatePollMemo.pdf October 19, 2014 October 13–15, 2014 800 ± 3.5% 44% 41% — 15%CNN/ORCCNN/ORC October 9–13, 2014 665 ± 4% 46% 50% — 4%Quinnipiac UniversityQuinnipiac University October 8–13, 2014 988 ± 3.1% 41% 47% 8% 4% 44% 49% 1% 7%SurveyUSASurveyUSA October 9–12, 2014 591 ± 4.1% 43% 45% 6%Gaylon Kent (L) 3%, Steve Shogan (I) 2% 7%High Point UniversityHigh Point University October 4–8, 2014 800 ± 3.5% 42% 46% 7% 5%Fox NewsFox News October 4–7, 2014 739 ± 3.5% 37% 43% 7% 12%Greenberg Quinlan Rosnerhttp://www.wvwvaf.org/wp-content/uploads/2014/10/WVWV-graphs-100614-FINAL.pdf Greenberg Quinlan Rosner October 7, 2014 October 17, 2024 https://web.archive.org/web/20241017212709/http://www.wvwvaf.org/wp-content/uploads/2014/10/WVWV-graphs-100614-FINAL.pdf dead September 25 – October 1, 2014 1,000 ± 2.09% 45% 45% 10%CBS News/NYT/YouGov September 20 – October 1, 2014 1,634 ± 3% 48% 45% 1% 6%Rasmussen Reports September 29–30, 2014 950 ± 3% 47% 48% 2% 3%Public Policy PollingPublic Policy Polling September 19–21, 2014 652 ± 3.8% 45% 47% — 8%ccAdvertisingccAdvertising September 19–21, 2014 2,094 ± ? 32% 38% — 30%Gravis MarketingGravis Marketing September 16–17, 2014 657 ± 4% 39% 46% 6% 9%Suffolk UniversitySuffolk University https://web.archive.org/web/20150125103701/http://www.suffolk.edu/documents/SUPRC/9_17_2014_marginals.pdf January 25, 2015 September 9–16, 2014 500 ± 4.4% 42% 43% 6% 10%QuinnipiacQuinnipiac September 10–15, 2014 1,211 ± 2.8% 40% 48% 8% 3% 42% 52% 1% 5%MyersMyers September 7–14, 2014 1,350 ± 2.7% 48% 46% 2% 3%SurveyUSASurveyUSA September 8–10, 2014 664 ± 3.9% 46% 42% 5% 7%Rasmussen Reports September 3–4, 2014 800 ± 4% 44% 42% 4% 10%NBC News/MaristNBC News/Marist September 2–4, 2014 795 LV ± 3.5% 48% 42% 1% 9% 976 RV ± 3.1% 48% 40% 1% 11%CBS News/NYT/YouGovCBS News/NYT/YouGov August 18 – September 2, 2014 1,727 ± 4% 46% 43% 2% 9%CBS News/New York TimesCBS News/New York Times July 5–24, 2014 2,020 ± 3% 50% 46% 2% 2%Public Policy PollingPublic Policy Polling July 17–20, 2014 653 ± 3.8% 44% 43% — 13%QuinnipiacQuinnipiac July 10–14, 2014 1,147 ± 2.9% 42% 44% 1% 13%Gravis MarketingGravis Marketing July 7–10, 2014 1,106 ± 3% 43% 47% 6% 4%NBC News/MaristNBC News/Marist July 7–10, 2014 914 ± 3.2% 48% 41% 2% 10%Rasmussen Reports June 25–26, 2014 750 ± 4% 43% 42% 6% 9%Magellan StrategiesMagellan Strategies https://web.archive.org/web/20140702191702/http://elections.huffingtonpost.com/pollster/polls/magellan-r-national-mining-association-19682 July 2, 2014 June 6–8, 2014 747 ± 3.54% 45% 47% — 8%Public Policy PollingPublic Policy Polling May 7–8, 2014 526 ± ? 47% 43% — 10%QuinnipiacQuinnipiac April 15–21, 2014 1,298 ± 2.7% 45% 44% 1% 9%Public Policy PollingPublic Policy Polling April 17–20, 2014 618 ± ? 47% 45% — 8%Fabrizio, Lee & AssociatesFabrizio, Lee & Associates April 16–17, 2014 600 ± 4% 42% 44% 7%Gaylon Kent (L) 7%Magellan StrategiesMagellan Strategies April 14–15, 2014 717 ± 3.7% 45% 42% 5% 8%Harper PollingHarper Polling April 7–9, 2014 507 ± 4.35% 45% 43% — 12%Public Policy Polling March 13–16, 2014 568 ± 4.1% 42% 40% — 17%Harper PollingHarper Polling https://web.archive.org/web/20140322033835/http://blogs.rollcall.com/rothenblog/ratings-change-colorado-senate/ March 22, 2014 March 8–9, 2014 689 ± ? 45% 44% — 17%Rasmussen Reports March 5–6, 2014 500 ± 4.5% 42% 41% 5% 13%Public Policy PollingPublic Policy Polling April 11–14, 2013 500 ± 4.4% 49% 39% — 12% background:#cff Hypothetical polling border:solid 1px silver; padding:8px; background:var(--background-color-base); color:var(--color-base); Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) MarkAspiri (R) Other UndecidedQuinnipiacQuinnipiac https://web.archive.org/web/20131123093937/http://www.quinnipiac.edu/institutes-and-centers/polling-institute/colorado/release-detail?ReleaseID=1978 November 23, 2013 November 15–18, 2013 1,206 ± 2.8% 45% 36% 1% 17% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) RandyBaumgardner (R) Other UndecidedPublic Policy Polling March 13–16, 2014 568 ± 4.1% 44% 37% — 19%QuinnipiacQuinnipiac https://web.archive.org/web/20140208020311/http://www.quinnipiac.edu/institutes-and-centers/polling-institute/colorado/release-detail?ReleaseID=2004 February 8, 2014 January 29 – February 2, 2014 1,139 ± 2.9% 43% 41% 1% 15%Public Policy Polling December 3–4, 2013 928 ± 3.2% 47% 40% — 13%QuinnipiacQuinnipiac November 15–18, 2013 1,206 ± 2.8% 44% 39% 1% 16% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) BobBeauprez (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 48% 41% — 11% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) KenBuck (R) Other UndecidedHickman AnalyticsHickman Analytics February 17–20, 2014 400 ± 4.9% 46% 42% — 12%Quinnipiac January 29 – February 2, 2014 1,139 ± 2.9% 45% 42% 1% 13%Public Policy Polling December 3–4, 2013 928 ± 3.2% 46% 42% — 12%Quinnipiac November 15–18, 2013 1,206 ± 2.8% 45% 42% 1% 12%Public Policy PollingPublic Policy Polling June 14–17, 2012 799 ± 3.5% 50% 35% — 15% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) MikeCoffman (R) Other UndecidedPublic Policy Polling June 14–17, 2012 799 ± 3.5% 48% 39% — 13%Public Policy PollingPublic Policy Polling December 1–4, 2011 793 ± 3.5% 48% 34% — 18% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) ScottGessler (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 50% 37% — 13% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) OwenHill (R) Other UndecidedPublic Policy Polling March 13–16, 2014 568 ± 4.1% 43% 38% — 19%Quinnipiac January 29 – February 2, 2014 1,139 ± 2.9% 44% 39% 1% 16%Public Policy Polling December 3–4, 2013 928 ± 3.2% 44% 37% — 18%Quinnipiac November 15–18, 2013 1,206 ± 2.8% 45% 39% 1% 16% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) DougLamborn (R) Other UndecidedPublic Policy Polling June 14–17, 2012 799 ± 3.5% 49% 36% — 15% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) JaimeMcMillan (R) Other UndecidedQuinnipiac January 29 – February 2, 2014 1,139 ± 2.9% 45% 38% 1% 16%Quinnipiac November 15–18, 2013 1,206 ± 2.8% 43% 40% 1% 17% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) JaneNorton (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 49% 38% — 13%Public Policy Polling June 14–17, 2012 799 ± 3.5% 48% 38% — 14%Public Policy Polling December 1–4, 2011 793 ± 3.5% 50% 33% — 17% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) BillOwens (R) Other UndecidedPublic Policy Polling June 14–17, 2012 799 ± 3.5% 47% 43% — 10% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) WalkerStapleton (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 50% 37% — 13% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) AmyStephens (R) Other UndecidedQuinnipiac January 29 – February 2, 2014 1,139 ± 2.9% 43% 41% 1% 15%Public Policy Polling December 3–4, 2013 928 ± 3.2% 44% 37% — 19%Quinnipiac November 15–18, 2013 1,206 ± 2.8% 45% 38% 1% 16% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) JohnSuthers (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 50% 38% — 12%Public Policy Polling June 14–17, 2012 799 ± 3.5% 48% 38% — 14% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) TomTancredo (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 51% 39% — 11%Public Policy Polling June 14–17, 2012 799 ± 3.5% 49% 39% — 11% Poll source Date(s)administered Samplesize Margin oferror MarkUdall (D) ScottTipton (R) Other UndecidedPublic Policy Polling April 11–14, 2013 500 ± 4.4% 50% 37% — 13% Results United States Senate election in Colorado, 2014https://results.enr.clarityelections.com/CO/53335/148826/Web01/en/summary.html Official Results November 4, 2014 General Election Colorado Secretary of State December 5, 2014 Republican Party (United States) Cory Gardner 983,891 48.21% +5.72% Democratic Party (United States) Mark Udall (incumbent) 944,203 46.26% -6.54% Libertarian Party (United States) Gaylon Kent 52,876 2.59% N/A Independent Steve Shogan 29,472 1.44% N/A Independent Raúl Acosta 24,151 1.18% N/A Unity Party of America Bill Hammons 6,427 0.32% N/A 2,041,020 100.00% N/A Republican Party (United States) Democratic Party (United States) By county https://uselectionatlas.org/RESULTS/index.html US Election Atlas 2020 Presidential General Election Results County Udall% Udall# Gardner% Gardner# Others% Others# TotalAdams 47.70% 62,296 44.88% 58,614 7.42% 9,703 130,613Alamosa 47.42% 2,440 45.67% 2,350 6.91% 356 5,146Arapahoe 48.02% 107,347 46.48% 103,915 5.50% 12,284 223,546Archuleta 37.23% 2,030 56.90% 3,103 5.87% 320 5,453Baca 18.99% 353 73.91% 1,374 7.10% 132 1,859Bent 32.14% 503 60.64% 949 7.22% 113 1,565Boulder 68.59% 97,612 27.35% 38,931 4.06% 5,778 142,321Broomfield 48.20% 13,309 46.48% 12,833 5.32% 1,469 27,611Chaffee 45.21% 4,025 49.35% 4,393 5.44% 489 8,907Cheyenne 11.75% 122 81.70% 848 6.55% 68 1,038Clear Creek 50.41% 2,344 42.73% 1,987 6.86% 319 4,650Conejos 46.78% 1,621 47.88% 1,659 5.34% 185 3,465Costilla 65.10% 912 28.27% 396 6.63% 93 1,401Crowley 25.67% 344 65.52% 878 8.81% 118 1,340Custer 29.41% 740 65.94% 1,659 4.65% 117 2,516Delta 26.07% 3,504 68.44% 9,199 5.49% 737 13,440Denver 70.73% 163,783 24.53% 56,789 4.74% 10,981 231,553Dolores 25.47% 246 67.60% 653 6.93% 67 966Douglas 32.77% 45,163 62.86% 86,626 4.37% 6,020 137,809Eagle 54.41% 9,438 40.94% 7,102 4.65% 807 17,347El Paso 32.09% 73,208 62.01% 141,475 5.90% 13,471 228,154Elbert 20.52% 2,556 73.34% 9,137 6.14% 766 12,459Fremont 27.72% 4,773 64.37% 11,085 7.91% 1,363 17,221Garfield 43.44% 8,387 51.24% 9,894 5.32% 1,028 19,309Gilpin 50.43% 1,450 40.66% 1,169 8.91% 256 2,875Grand 41.11% 2,795 53.51% 3,638 5.38% 366 6,799Gunnison 55.39% 3,840 38.53% 2,671 6.08% 422 6,933Hinsdale 36.52% 191 58.70% 307 4.78% 25 523Huerfano 47.04% 1,504 45.32% 1,449 7.64% 244 3,197Jackson 22.18% 163 72.24% 531 5.58% 41 735Jefferson 47.28% 121,109 46.94% 120,240 5.78% 14,795 256,144Kiowa 14.06% 107 80.95% 616 4.99% 38 761Kit Carson 15.71% 487 78.97% 2,448 5.32% 165 3,100La Plata 51.80% 11,852 44.47% 10,174 3.73% 853 22,852Lake 53.69% 1,311 37.10% 906 9.21% 225 2,442Larimer 47.13% 68,659 47.50% 69,198 5.37% 7,815 145,672Las Animas 42.77% 2,380 50.38% 2,803 6.85% 381 5,564Lincoln 16.07% 321 77.93% 1,557 6.00% 120 1,998Logan 20.61% 1,591 73.34% 5,662 6.05% 467 7,720Mesa 26.80% 15,410 68.38% 39,313 4.82% 2,768 57,491Mineral 42.26% 254 50.58% 304 7.16% 43 601Moffat 16.95% 826 76.47% 3,727 6.58% 321 4,874Montezuma 34.58% 3,353 59.65% 5,784 5.77% 560 9,697Montrose 24.45% 4,071 71.52% 11,907 4.03% 671 16,649Morgan 24.56% 2,164 69.44% 6,119 6.00% 529 8,812Otero 35.12% 2,332 57.43% 3,814 7.45% 495 6,641Ouray 50.39% 1,355 45.89% 1,234 3.72% 100 2,689Park 35.18% 2,827 58.16% 4,673 6.66% 535 8,035Phillips 18.06% 357 76.68% 1,516 5.26% 104 1,977Pitkin 69.80% 5,409 27.18% 2,106 3.02% 234 7,749Prowers 22.28% 887 72.19% 2,874 5.53% 220 3,981Pueblo 46.73% 27,877 46.22% 27,571 7.05% 4,209 59,657Rio Blanco 13.27% 361 81.37% 2,214 5.36% 146 2,721Rio Grande 35.25% 1,566 57.05% 2,534 7.70% 342 4,442Routt 53.95% 5,639 40.93% 4,278 5.12% 535 10,452Saguache 54.99% 1,307 36.22% 861 8.79% 209 2,377San Juan 55.19% 255 39.39% 182 5.42% 25 462San Miguel 68.35% 2,226 26.71% 870 4.94% 161 3,257Sedgwick 21.72% 262 70.73% 853 7.55% 91 1,206Summit 60.33% 6,957 35.08% 4,046 4.59% 529 11,532Teller 28.03% 3,158 65.12% 7,337 6.85% 772 11,267Washington 10.05% 237 87.15% 2,055 2.80% 66 2,358Weld 32.80% 29,785 60.37% 54,823 6.83% 6,203 90,811Yuma 11.92% 512 85.65% 3,678 2.43% 104 4,294 Counties that flipped from Democratic to Republican Chaffee (largest municipality: Salida) Conejos (largest municipality: Manassa) Garfield (largest municipality: Rifle) Grand (largest municipality: Granby) Larimer (largest municipality: Fort Collins) Las Animas (largest municipality: Trinidad) Mineral (largest municipality: Creede) By congressional district Gardner won four of seven congressional districts.https://www.dailykos.com/stories/2013/07/09/1220127/-Daily-Kos-Elections-2012-election-results-by-congressional-and-legislative-districts Daily Kos Elections' statewide election results by congressional and legislative districts District Udall Gardner RepresentativeColorado 1 1st 65.67% 29.39%Diana DeGetteColorado 2 2nd 55.24% 40.07%Jared PolisColorado 3 3rd 40.58% 53.94%Scott TiptonColorado 4 4th 32.13% 61.95%Ken BuckColorado 5 5th 32.14% 61.8%Doug LambornColorado 6 6th 45.58% 49.16%Mike CoffmanColorado 7 7th 49.9% 43.45%Ed Perlmutter See also 2014 United States Senate elections 2014 United States elections 2014 United States House of Representatives elections in Colorado 2014 Colorado gubernatorial election References External links U.S. Senate elections in Colorado, 2014 at Ballotpedia Campaign contributions at OpenSecrets Colorado Senate debate excerpts, OnTheIssues.org Blog regarding immigration as an issue in this election in the Washington Post Official campaign websites (archived) Cary Gardner (R) for Senate Mark Udall (D) for Senate Colorado 2014 United States Senate