2008 United States Senate election in Colorado

none March 2026 December 2017 2008 United States Senate election in Colorado Colorado presidential no 2002 United States Senate election in Colorado 2002 2014 United States Senate election in Colorado 2014 November 4, 2008 150x150px File:MarkUdall-Senate Portrait.jpg Mark Udall Democratic Party (United States) 1,231,049 52.80% File:Bob Schaffer Head Shot.jpg Bob Schaffer Republican Party (United States) 990,784 42.49% 250px County results 250px Congressional district results 250px Precinct results Udall: #A5B0FF 40–50% #7996e2 50–60% #6674de 60–70% #584cde 70–80% #3933e5 80–90% #0D0596 >90%Schaffer: #FFB2B2 40–50% #E27F7F 50–60% #d75d5d 60–70% #D72F30 70–80% #C21B18 80–90%Tie: #d2b1d9 40–50% #808080 No votes U.S. Senator Wayne Allard Republican Party (United States) Mark Udall Democratic Party (United States) The 2008 United States Senate election in Colorado was held November 4, 2008. The primary elections were held August 12, 2008.http://www.elections.colorado.gov/WWW/default/Candidates/primary_election_candidate_list.pdf Candidate List for the August 12, 2008 Primary Election Colorado State Government June 26, 2008 July 16, 2008 https://web.archive.org/web/20080716194410/http://www.elections.colorado.gov/WWW/default/Candidates/primary_election_candidate_list.pdf dead Incumbent Republican U.S. Senator Wayne Allard decided to retire instead of seeking a third term. Democratic nominee Mark Udall won the open seat, making this the first time a Democrat won this seat since 1972, and that Democrats held both Senate seats since 1979. Democratic primary Candidates Mark Udall, U.S. Representative Results Democratic primary results Mark Udall Democratic Party (United States) 194,227 100.00% 194,227 100.00% Republican primary Candidates Bob Schaffer, Colorado State Board of Education member, former U.S. Representative and candidate for the U.S. Senate in 2004 Results Republican primary results Bob Schaffer Republican Party (United States) 239,212 100.00% 239,212 100.00% General election Campaign The election featured an open contest because incumbent U.S. Senator Wayne Allard declined to seek re-election. He honored his 1996 pledge to serve no more than two terms in the U.S. Senate and announced that he would retire from his service to the US Senate and not seek a 3rd term, leaving Colorado's Class II Senate seat open. Both parties believed this senate contest would be one of the most competitive senate races during the 2008 election.http://thecaucus.blogs.nytimes.com/2008/06/13/gop-leader-maps-senate-elections/#more-5357 G.O.P. Leader Maps Senate Elections The New York Times Kate Phillips June 13, 2008 Predictions SourceRankingAs of The Cook Political Report2008 Senate Race ratings for October 23, 2008 https://cookpolitical.com/ratings/senate-race-ratings/139080 The Cook Political Report April 1, 2021 June 25, 2021 https://web.archive.org/web/20210625160336/https://cookpolitical.com/ratings/senate-race-ratings/139080 dead Lean D FlipOctober 23, 2008 CQ PoliticsRace Ratings Chart: Senate https://web.archive.org/web/20101028234525/http://www.cqpolitics.com/wmspage.cfm?docID=ratings-senate October 28, 2010 CQ Politics Likely D FlipOctober 31, 2008 Rothenberg Political Report2008 Senate ratings https://www.insideelections.com/ratings/senate/2008-senate-ratings Inside Elections April 1, 2021 Likely D FlipNovember 2, 2008 Real Clear Politics2008 RCP Averages & Senate Results https://www.realclearpolitics.com/epolls/2008/senate/election_2008_senate_races.html Real Clear Politics August 31, 2021 Likely D FlipOctober 28, 2008 Polling Poll source Dates administered MarkUdall (D) BobSchaffer (R)Hill Research ConsultantsHill Research Consultants https://web.archive.org/web/20071127180337/http://www.metrodenvergreens.org/files/SchafferPoll.pdf November 27, 2007 August 26–28, 2007 45% 40%Ciruli AssociatesCiruli Associates September 12–15, 2007 36% 35%SurveyUSASurveyUSAAugust 2026 InternetArchiveBot October 27–30, 2007 48% 41%Rasmussen ReportsRasmussen Reports November 28, 2007 41% 42%Research for ChangeResearch for Change December 3–5, 2007 39% 37%Rasmussen ReportsRasmussen Reports February 11, 2008 43% 44%McLaughlin & Associates/Coalition for a Democratic WorkplaceMcLaughlin & Associates/Coalition for a Democratic Workplace March 6–9, 2008 44% 32%Rasmussen Reports March 17, 2008 46% 43%New Leadership USA/TargetPointNew Leadership USA/TargetPoint March 31 – April 7, 2008 45% 45%Rasmussen ReportsRasmussen Reports April 16, 2008 45% 42%Rasmussen Reports May 19, 2008 47% 41%Rasmussen ReportsRasmussen Reports June 17, 2008 49% 40%Garin-Hart-Yang/DSCCGarin-Hart-Yang/DSCC June 15–17, 2008 46% 37%QuinnipiacQuinnipiac June 26, 2008 48% 38%Public Policy Polling (PPP)Public Policy Polling(PPP) July 10, 2008 47% 38%Keith FrederickKeith Frederick July 22, 2008 48% 39%Rasmussen Reports July 22, 2008 49% 46%QuinnipiacQuinnipiac July 24, 2008 44% 44%Rasmussen Reports August 13, 2008 50% 42%Hill Research ConsultantsHill Research Consultants August 24, 2008 41% 38%Tarrance GroupTarrance Group September 3, 2008 41% 40%Public Policy PollingPublic Policy Polling September 21, 2008 48% 40%QuinnipiacQuinnipiac September 14–21, 2008 48% 40%Rasmussen Reports September 23, 2008 46% 44%Denver PostDenver Post September 29 – October 1, 2008 43% 38%Ciruli Associateshttp://alt.coxnewsweb.com/shared-blogs/communities/politicalnotebook/upload/2008/10/CiruliPollingInfo.pdf Ciruli Associates October 2, 2008 May 20, 2011 https://web.archive.org/web/20110520064118/http://alt.coxnewsweb.com/shared-blogs/communities/politicalnotebook/upload/2008/10/CiruliPollingInfo.pdf dead October 1, 2008 45% 38%Rasmussen Reports October 16, 2008 51% 44% Results 2008 United States Senate election in ColoradoOfficial Publication of the Abstract of Votes Cast for the 2008 Primary, 2008 General https://www.sos.state.co.us/pubs/elections/Results/Abstract/pdf/2000-2099/2008AbstractBook.pdf State of Colorado December 10, 2018 March 29, 2016 https://web.archive.org/web/20160329235504/http://www.sos.state.co.us/pubs/elections/Results/Abstract/pdf/2000-2099/2008AbstractBook.pdf dead Democratic Party (United States) Mark Udall 1,231,049 52.80% +7.03% Republican Party (United States) Bob Schaffer 990,784 42.49% -8.20% Constitution Party (United States) Douglas Campbell 59,736 2.56% +1.04% Green Party (United States) Bob Kinsey 50,008 2.14% N/A 135 0.01% N/A 2,331,712 100.00% N/A Democratic Party (United States) Republican Party (United States) Counties that flipped from Republican to Democratic Alamosa (largest municipality: Alamosa) Arapahoe (largest city: Aurora) Broomfield Chaffee (largest city: Salida) Conejos (largest municipality: Manassa) Eagle (largest municipality: Edwards) Grand (Largest city: Granby) Garfield (largest municipality: Glenwood Springs) Jefferson (largest city: Lakewood) Larimer (largest city: Fort Collins) Mineral (Largest city: Creede) Ouray (largest city: Ouray) San Juan (largest municipality: Silverton) See also 2008 United States Senate elections References External links Elections Center from the Colorado Secretary of State U.S. Congress candidates for Colorado at Project Vote Smart Colorado, U.S. Senate from CQ Politics Colorado U.S. Senate from OurCampaigns.com http://www.2008racetracker.com/page/CO-Sen Colorado U.S. Senate race, from 2008 Race Tracker June 22, 2008 https://web.archive.org/web/20080624080219/http://www.2008racetracker.com/page/CO-Sen June 24, 2008 dead mdy-all Campaign contributions from OpenSecrets Schaffer (R) vs Udall (D) graph of multiple polls from Pollster.com Official campaign websites (Archived) Bob Kinsey, Green Party candidate Bob Schaffer, Republican candidate Mark Udall, Democratic candidate 2008 Colorado United States Senate