1998 United States Senate election in Idaho

none March 2026 September 2023 1998 United States Senate election in Idaho Idaho presidential no 1992 United States Senate election in Idaho 1992 2004 United States Senate election in Idaho 2004 November 3, 1998 125x136px Mike Crapo official photo (cropped).jpg Mike Crapo Republican Party (United States) 262,966 69.54% 3x4.svg Bill Mauk Democratic Party (United States) 107,375 28.39% 1998 United States Senate election in Idaho results map by county.svg 180px County results Crapo: #ffb2b2 40–50% #e27f7f 50–60% #d75d5d 60–70% #d72f30 70–80% #c21b18 80–90% #a80000 >90% U.S. Senator Dirk Kempthorne Republican Party (United States) Mike Crapo Republican Party (United States) The 1998 United States Senate election in Idaho was held November 3, 1998 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Republican U.S. Senator Dirk Kempthorne decided to retire after one term to run for governor. Republican nominee Mike Crapo won the open seat. Democratic primary Candidates Bill Mauk, Chairman of the Idaho Democratic Party Results Democratic primary resultshttp://www.sos.idaho.gov/elect/abstract/98prsen.htm 98 Primary - Senate 2011-04-24 2011-09-30 https://web.archive.org/web/20110930052423/http://www.sos.idaho.gov/elect/abstract/98prsen.htm dead Bill Mauk Democratic Party (United States) 22,503 100.00% 22,503 100.00% Republican primary Candidates Mike Crapo, U.S. Representative Matt Lambert Results Republican primary resultshttp://www.sos.idaho.gov/elect/abstract/98prsen.htm 98 Primary - Senate 2011-04-24 2011-09-30 https://web.archive.org/web/20110930052423/http://www.sos.idaho.gov/elect/abstract/98prsen.htm dead Mike Crapo Republican Party (United States) 110,205 87.27% Matt Lambert Republican Party (United States) 16,075 12.73% 126,280 100.00% General election Candidates Mike Crapo (R), U.S. Representative George Mansfeld (NL) Bill Mauk (D), Chairman of the Idaho Democratic Party Polling Poll source Date(s)administered SamplesizeKey:A – all adultsRV – registered votersLV – likely votersV – unclear Marginof error MikeCrapo (R) BillMauk (D) UndecidedMason DixonCNN AllPolitics Election '98 - Idaho 1998 Polls https://www.cnn.com/ELECTION/1998/states/ID/polls/ID98S.html CNN 20 June 2025 https://archive.today/20250620064910/https://www.cnn.com/ELECTION/1998/states/ID/polls/ID98S.html 20 June 2025 liveSeptember 01–03, 19981,208 (LV)± 2.9%61%17%12% Results General election resultshttp://clerk.house.gov/member_info/electionInfo/1998/98Stat.htm Office of the Clerk, U.S. House of Representatives Republican Party (United States) Mike Crapo 262,966 69.54% +13.01% Democratic Party (United States) Bill Mauk 107,375 28.39% -15.08% Natural Law Party (United States) George J. Mansfeld 7,833 2.07% +2.07% 155,591 41.14% +28.10% 378,174 -20.97% Republican Party (United States) See also 1998 United States Senate elections Notes References United States Senate Idaho 1998