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United States · Election results history · 1986 governors · Idaho
Election 1986 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1986 Idaho governor election

Cecil D. Andrus (Democrat) beat David H. Leroy (Republican) in Idaho in 1986, 49.9% to 49.0%, a margin of 0.9 points and 3,635 votes.

The Democratic hold continued from 1982, when John V. Evans won.

Republicans led in 31 of the 44 counties as they stood then and Democrats in 13. The largest, Ada, cast 81,329 votes and went to the Democrat by 4.8 points. The closest was Butte, where 25 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Governor

CandidatePartyVotesShare
Cecil D. Andrus won Democratic 193,429 49.9%
David H. Leroy Republican 189,794 49.0%
All other candidates 4,203 1.1%
Total387,426

Every county

CountyDemocratRepublicanOthersTotalMargin
Ada 42,361 52.1% 38,418 47.2% 550 81,329 D+4.8
Canyon 13,589 42.0% 18,464 57.1% 289 32,342 R+15.1
Bonneville 12,290 43.3% 15,762 55.6% 318 28,370 R+12.2
Bannock 17,520 61.8% 10,435 36.8% 410 28,365 D+25.0
Kootenai 12,742 54.4% 10,241 43.7% 443 23,426 D+10.7
Twin Falls 8,861 43.7% 11,211 55.3% 201 20,273 R+11.6
Bingham 7,050 48.0% 7,448 50.7% 187 14,685 R+2.7
Nez Perce 10,418 71.8% 3,964 27.3% 135 14,517 D+44.5
Latah 8,018 69.7% 3,340 29.0% 146 11,504 D+40.7
Bonner 5,993 62.8% 3,384 35.5% 162 9,539 D+27.4
Cassia 2,682 36.4% 4,587 62.2% 108 7,377 R+25.8
Minidoka 3,376 46.7% 3,738 51.7% 117 7,231 R+5.0
Madison 1,912 29.4% 4,528 69.7% 61 6,501 R+40.2
Jefferson 2,047 31.9% 4,296 67.0% 66 6,409 R+35.1
Payette 2,448 42.3% 3,284 56.8% 49 5,781 R+14.5
Shoshone 4,075 71.4% 1,510 26.5% 123 5,708 D+44.9
Jerome 2,361 41.6% 3,276 57.7% 36 5,673 R+16.1
Idaho 2,665 47.4% 2,892 51.5% 60 5,617 R+4.0
Gem 2,599 48.7% 2,675 50.1% 68 5,342 R+1.4
Elmore 2,428 46.4% 2,775 53.1% 26 5,229 R+6.6
Blaine 2,908 59.0% 1,976 40.1% 41 4,925 D+18.9
Gooding 2,122 44.0% 2,672 55.4% 32 4,826 R+11.4
Fremont 1,644 36.4% 2,832 62.7% 39 4,515 R+26.3
Washington 1,586 41.0% 2,250 58.2% 29 3,865 R+17.2
Clearwater 2,514 70.3% 980 27.4% 80 3,574 D+42.9
Franklin 1,142 35.3% 2,024 62.6% 68 3,234 R+27.3
Lemhi 997 32.0% 2,093 67.1% 28 3,118 R+35.2
Boundary 1,579 52.2% 1,397 46.2% 48 3,024 D+6.0
Caribou 1,158 38.9% 1,791 60.2% 27 2,976 R+21.3
Valley 1,190 40.3% 1,748 59.1% 18 2,956 R+18.9
Power 1,610 54.6% 1,327 45.0% 14 2,951 D+9.6
Benewah 1,706 57.9% 1,173 39.8% 70 2,949 D+18.1
Bear Lake 990 36.3% 1,726 63.2% 15 2,731 R+26.9
Owyhee 820 32.1% 1,718 67.2% 19 2,557 R+35.1
Custer 584 30.8% 1,296 68.4% 15 1,895 R+37.6
Adams 596 33.2% 1,177 65.6% 22 1,795 R+32.4
Oneida 817 46.7% 920 52.6% 12 1,749 R+5.9
Boise 723 44.4% 891 54.7% 15 1,629 R+10.3
Butte 768 48.9% 793 50.5% 8 1,569 R+1.6
Lewis 1,054 67.7% 484 31.1% 20 1,558 D+36.6
Lincoln 660 44.3% 821 55.1% 9 1,490 R+10.8
Teton 538 36.7% 918 62.6% 11 1,467 R+25.9
Camas 157 35.2% 287 64.3% 2 446 R+29.1
Clark 131 32.0% 272 66.5% 6 409 R+34.5

Counties as they stood in 1986; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Idaho governor elections we hold

YearWinnerMargin
2022 Brad Little (R) R+40.2
2018 Brad Little (R) R+21.6
2014 C. L. Otter (R) R+15.0
2010 Butch Otter (R) R+26.3
2006 C. L. Otter (R) R+8.6
2002 Dirk Kempthorne (R) R+14.5
1998 Dirk Kempthorne (R) R+38.6
1994 Phil Batt (R) R+8.4
1990 Cecil D. Andrus (D) D+36.4
1986 Cecil D. Andrus (D) D+0.9
1982 John V. Evans (D) D+1.3
1978 John V. Evans (D) D+19.2
1974 Cecil D. Andrus (D) D+44.5
1970 Cecil D. Andrus (D) D+4.4
1966 Don Samuelson (R) R+4.3
1962 Robert E. Smylie (R) R+9.3
1958 Robert E. Smylie (R) R+1.9
1954 Robert E. Smylie (R) R+8.5
1950 Len B. Jordan (R) R+5.1
1946 Charles A. Robins (R) R+12.7
1944 Charles C. Gossett (D) D+5.3
1942 C. A. Bottolfsen (R) R+0.3
1940 Chase A. Clark (D) D+1.0
1938 C. A. Bottolfsen (R) R+15.4
1936 Barzilla W. Clark (D) D+15.7
1934 C. Ben Ross (D) D+10.3
1932 C. Ben Ross (D) D+25.3
1930 C. Ben Ross (D) D+12.1
1928 H. C. Baldridge (R) R+16.2
1926 H. C. Baldridge (R) R+30.5
1924 Charles C. Moore (R) R+27.1
1922 Charles C. Moore (R) R+10.7
1920 D. W. Davis (R) R+26.0
1918 David W. Davis (R) R+19.9
1916 Moses Alexander (D) D+0.4
1914 Moses Alexander (D) D+6.7
1912 John M. Haines (R) R+1.0
1910 James H. Hawley (D) D+1.0
1908 James H. Brady (R) R+8.0
1906 Frank R. Gooding (R) R+12.1
1904 Frank R. Gooding (R) R+24.7
1902 John T. Morrison (R) R+9.7
1900 Frank W. Hunt (D) D+3.8
1898 Frank Steunenberg (D) D+14.1
1896 Frank Steunenberg (D) D+54.4
1894 William J. McConnell (R) R+12.8
1892 William J. McConnell (R) R+7.0
1890 George L. Shoup (R) R+12.7