| Year | D | R | Margin (D%, R%, 3rd%) | D Cand. | R Cand. | State Margin | Nat. Margin | Rel. Margin | Total votes | Source | EVs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1892 | 0(0.0%) | 8,599(45.0%) | (0.0%, 44.3%, 54.2%) | Grover Cleveland | Benjamin Harrison | T+9.9 | D+3.0 | R+47.3 | 19,407 | Wikipedia | 3 |
| 1896 | 23,135(78.1%)(Δ 23,135) | 6,314(21.3%)(Δ -2,285) | (78.1%, 21.3%, 0.6%) | William Jennings Bryan | William McKinley | D+56.8(Δ D+101.1) | R+4.3(Δ R+7.3) | D+61.1(Δ D+108.4) | 29,621(Δ 10,214) | Wikipedia | 3 |
| 1900 | 29,414(51.2%)(Δ 6,279) | 27,198(47.3%)(Δ 20,884) | (50.8%, 47.0%, 1.5%) | William Jennings Bryan | William McKinley | D+3.8(Δ R+53.0) | R+6.1(Δ R+1.8) | D+10.0(Δ R+51.1) | 57,914(Δ 28,293) | Wikipedia | 3 |
| 1904 | 18,480(26.0%)(Δ -10,934) | 47,783(67.1%)(Δ 20,585) | (25.5%, 65.8%, 6.8%) | Alton B. Parker | Theodore Roosevelt | R+40.4(Δ R+44.2) | R+18.8(Δ R+12.7) | R+21.5(Δ R+31.5) | 72,578(Δ 14,664) | Wikipedia | 3 |
| 1908 | 36,162(38.0%)(Δ 17,682) | 52,621(55.3%)(Δ 4,838) | (37.2%, 54.1%, 6.6%) | William Jennings Bryan | William Howard Taft | R+16.9(Δ D+23.5) | R+8.5(Δ D+10.3) | R+8.4(Δ D+13.2) | 97,293(Δ 24,715) | Wikipedia | 3 |
| 1912 | 33,921(36.8%)(Δ -2,241) | 25,527(27.7%)(Δ -27,094) | (32.1%, 24.1%, 31.0%) | Woodrow Wilson | Theodore Roosevelt | D+7.9(Δ D+24.9) | D+14.4(Δ D+23.0) | R+6.5(Δ D+1.9) | 105,754(Δ 8,461) | Wikipedia | 4 |
| 1916 | 70,054(52.5%)(Δ 36,133) | 55,368(41.5%)(Δ 29,841) | (52.0%, 41.1%, 6.0%) | Woodrow Wilson | Charles Evans Hughes | D+10.9(Δ D+3.0) | D+3.1(Δ R+11.3) | D+7.8(Δ D+14.3) | 134,615(Δ 28,861) | Wikipedia | 4 |
| 1920 | 46,579(34.4%)(Δ -23,475) | 88,975(65.6%)(Δ 33,607) | (34.3%, 65.6%, 0.0%) | James M. Cox | Warren G. Harding | R+31.3(Δ R+42.2) | R+26.2(Δ R+29.3) | R+5.1(Δ R+12.9) | 135,624(Δ 1,009) | Wikipedia | 4 |
| 1924 | 24,256(16.4%)(Δ -22,323) | 69,879(47.1%)(Δ -19,096) | (16.4%, 47.1%, 36.5%) | John W. Davis | Calvin Coolidge | R+30.8(Δ D+0.5) | R+25.2(Δ D+1.0) | R+5.5(Δ R+0.5) | 148,295(Δ 12,671) | Wikipedia | 4 |
| 1928 | 52,926(34.9%)(Δ 28,670) | 97,322(64.2%)(Δ 27,443) | (34.9%, 64.2%, 0.9%) | Al Smith | Herbert Hoover | R+29.3(Δ D+1.5) | R+17.4(Δ D+7.8) | R+11.9(Δ R+6.3) | 151,541(Δ 3,246) | Wikipedia | 4 |
| 1932 | 109,479(60.3%)(Δ 56,553) | 71,417(39.4%)(Δ -25,905) | (58.7%, 38.3%, 0.3%) | Franklin D. Roosevelt | Herbert Hoover | D+20.4(Δ D+49.7) | D+17.8(Δ D+35.2) | D+2.6(Δ D+14.5) | 186,625(Δ 35,084) | Wikipedia | 4 |
| 1936 | 125,683(63.0%)(Δ 16,204) | 66,256(33.2%)(Δ -5,161) | (63.0%, 33.2%, 3.8%) | Franklin D. Roosevelt | Alf Landon | D+29.8(Δ D+9.4) | D+24.3(Δ D+6.5) | D+5.5(Δ D+2.9) | 199,617(Δ 12,992) | Wikipedia | 4 |
| 1940 | 127,842(54.4%)(Δ 2,159) | 106,553(45.4%)(Δ 40,297) | (54.4%, 45.3%, 0.2%) | Franklin D. Roosevelt | Wendell Willkie | D+9.1(Δ R+20.7) | D+10.0(Δ R+14.3) | R+0.9(Δ R+6.4) | 235,168(Δ 35,551) | Wikipedia | 4 |
| 1944 | 107,399(51.7%)(Δ -20,443) | 100,137(48.2%)(Δ -6,416) | (51.6%, 48.1%, 0.1%) | Franklin D. Roosevelt | Thomas E. Dewey | D+3.5(Δ R+5.6) | D+7.5(Δ R+2.5) | R+4.0(Δ R+3.1) | 208,321(Δ -26,847) | Wikipedia | 4 |
| 1948 | 107,370(50.2%)(Δ -29) | 101,514(47.5%)(Δ 1,377) | (50.0%, 47.3%, 2.3%) | Harry S. Truman | Thomas E. Dewey | D+2.7(Δ R+0.8) | D+4.5(Δ R+3.0) | R+1.8(Δ D+2.3) | 214,816(Δ 6,495) | Wikipedia | 4 |
| 1952 | 95,081(34.4%)(Δ -12,289) | 180,707(65.4%)(Δ 79,193) | (34.4%, 65.4%, 0.2%) | Adlai Stevenson | Dwight D. Eisenhower | R+31.0(Δ R+33.7) | R+10.9(Δ R+15.3) | R+20.1(Δ R+18.4) | 276,231(Δ 61,415) | Wikipedia | 4 |
| 1956 | 105,868(38.8%)(Δ 10,787) | 166,979(61.2%)(Δ -13,728) | (38.8%, 61.2%, 0.0%) | Adlai Stevenson | Dwight D. Eisenhower | R+22.4(Δ D+8.6) | R+15.4(Δ R+4.5) | R+7.0(Δ D+13.2) | 272,989(Δ -3,242) | Wikipedia | 4 |
| 1960 | 138,853(46.2%)(Δ 32,985) | 161,597(53.8%)(Δ -5,382) | (46.2%, 53.8%, 0.0%) | John F. Kennedy | Richard Nixon | R+7.6(Δ D+14.8) | D+0.2(Δ D+15.6) | R+7.7(Δ R+0.7) | 300,450(Δ 27,461) | Wikipedia | 4 |
| 1964 | 148,920(50.9%)(Δ 10,067) | 143,557(49.1%)(Δ -18,040) | (50.9%, 49.1%, 0.0%) | Lyndon B. Johnson | Barry Goldwater | D+1.8(Δ D+9.4) | D+22.6(Δ D+22.4) | R+20.7(Δ R+13.0) | 292,477(Δ -7,973) | Wikipedia | 4 |
| 1968 | 89,273(30.7%)(Δ -59,647) | 165,369(56.8%)(Δ 21,812) | (30.7%, 56.8%, 12.5%) | Hubert Humphrey | Richard Nixon | R+26.1(Δ R+28.0) | R+0.7(Δ R+23.3) | R+25.4(Δ R+4.7) | 291,183(Δ -1,294) | Wikipedia | 4 |
| 1972 | 80,826(26.2%)(Δ -8,447) | 199,384(64.5%)(Δ 34,015) | (26.0%, 64.2%, 9.3%) | George McGovern | Richard Nixon | R+38.2(Δ R+12.1) | R+23.1(Δ R+22.4) | R+15.1(Δ D+10.4) | 310,379(Δ 19,196) | Wikipedia | 4 |
| 1976 | 126,549(37.9%)(Δ 45,723) | 204,151(61.1%)(Δ 4,767) | (37.1%, 59.9%, 1.0%) | Jimmy Carter | Gerald Ford | R+22.8(Δ D+15.4) | D+2.1(Δ D+25.2) | R+24.8(Δ R+9.8) | 340,932(Δ 30,553) | Wikipedia | 4 |
| 1980 | 110,192(25.7%)(Δ -16,357) | 290,699(67.9%)(Δ 86,548) | (25.2%, 66.5%, 6.2%) | Jimmy Carter | Ronald Reagan | R+41.3(Δ R+18.5) | R+9.7(Δ R+11.8) | R+31.5(Δ R+6.7) | 437,431(Δ 96,499) | Wikipedia | 4 |
| 1984 | 108,510(26.5%)(Δ -1,682) | 297,523(72.8%)(Δ 6,824) | (26.4%, 72.4%, 0.7%) | Walter Mondale | Ronald Reagan | R+46.0(Δ R+4.7) | R+18.2(Δ R+8.5) | R+27.8(Δ D+3.8) | 411,144(Δ -26,287) | Wikipedia | 4 |
| 1988 | 147,272(36.2%)(Δ 38,762) | 253,881(62.5%)(Δ -43,642) | (36.0%, 62.1%, 1.3%) | Michael Dukakis | George H.W. Bush | R+26.1(Δ D+19.9) | R+7.7(Δ D+10.5) | R+18.3(Δ D+9.4) | 408,968(Δ -2,176) | Wikipedia | 4 |
| 1992 | 137,013(29.1%)(Δ -10,259) | 202,645(43.1%)(Δ -51,236) | (28.4%, 42.0%, 27.0%) | Bill Clinton | George H.W. Bush | R+13.6(Δ D+12.5) | D+5.6(Δ D+13.3) | R+19.2(Δ R+0.8) | 482,142(Δ 73,174) | Wikipedia | 4 |
| 1996 | 165,443(34.1%)(Δ 28,430) | 256,595(53.0%)(Δ 53,950) | (33.6%, 52.2%, 12.7%) | Bill Clinton | Bob Dole | R+18.5(Δ R+4.9) | D+8.5(Δ D+3.0) | R+27.1(Δ R+7.9) | 491,719(Δ 9,577) | Wikipedia | 4 |
| 2000 | 138,637(28.4%)(Δ -26,806) | 336,937(69.1%)(Δ 80,342) | (27.6%, 67.2%, 2.5%) | Al Gore | George W. Bush | R+39.5(Δ R+21.0) | D+0.5(Δ R+8.0) | R+40.0(Δ R+13.0) | 501,621(Δ 9,902) | Wikipedia | 4 |
| 2004 | 181,098(30.5%)(Δ 42,461) | 409,235(68.9%)(Δ 72,298) | (30.3%, 68.4%, 0.6%) | John Kerry | George W. Bush | R+38.1(Δ D+1.4) | R+2.5(Δ R+3.0) | R+35.7(Δ D+4.4) | 598,447(Δ 96,826) | Wikipedia | 4 |
| 2008 | 236,440(36.6%)(Δ 55,342) | 403,012(62.3%)(Δ -6,223) | (36.1%, 61.5%, 1.1%) | Barack Obama | John McCain | R+25.4(Δ D+12.7) | D+7.3(Δ D+9.7) | R+32.7(Δ D+3.0) | 655,122(Δ 56,675) | Wikipedia | 4 |
| 2012 | 212,787(33.1%)(Δ -23,653) | 420,911(65.4%)(Δ 17,899) | (32.6%, 64.5%, 1.4%) | Barack Obama | Mitt Romney | R+31.9(Δ R+6.5) | D+3.9(Δ R+3.4) | R+35.8(Δ R+3.1) | 652,274(Δ -2,848) | Wikipedia | 4 |
| 2016 | 189,765(29.4%)(Δ -23,022) | 409,055(63.4%)(Δ -11,856) | (27.5%, 59.3%, 6.7%) | Hillary Clinton | Donald Trump | R+31.8(Δ D+0.1) | D+2.1(Δ R+1.8) | R+33.9(Δ D+1.9) | 690,255(Δ 37,981) | Wikipedia | 4 |
| 2020 | 287,021(33.5%)(Δ 97,256) | 554,119(64.6%)(Δ 145,064) | (33.1%, 63.8%, 1.9%) | Joe Biden | Donald Trump | R+30.8(Δ D+1.0) | D+4.5(Δ D+2.4) | R+35.2(Δ R+1.4) | 867,934(Δ 177,679) | Wikipedia | 4 |
| 2024 | 274,972(30.8%)(Δ -12,049) | 605,246(67.8%)(Δ 51,127) | (30.4%, 66.9%, 1.4%) | Kamala Harris | Donald Trump | R+36.5(Δ R+5.7) | R+1.5(Δ R+5.9) | R+35.0(Δ D+0.2) | 905,057(Δ 37,123) | Wikipedia | 4 |
| Year | D | R | Margin (D%, R%, 3rd%) | Other votes | Top 3rd-Party Candidate | Top 3rd-Party Share | Total 3rd-Party Votes | State 3rd-Party Share | 3rd-Party Nat. Share | 3rd-Party Rel. Share |
|---|---|---|---|---|---|---|---|---|---|---|
| 1892 | 0(0.0%) | 8,599(45.0%) | (0.0%, 44.3%, 54.2%) | 10,520(55.0%) | James Weaver | 54.21% | 10,808 | 55.69% | 10.97% | 44.73% |
| 1896 | 23,135(78.1%)(Δ 23,135) | 6,314(21.3%)(Δ -2,285) | (78.1%, 21.3%, 0.6%) | 172(0.6%) | Joshua Levering | 0.58% | 172 | 0.58% | 2.27% | -1.68% |
| 1900 | 29,414(51.2%)(Δ 6,279) | 27,198(47.3%)(Δ 20,884) | (50.8%, 47.0%, 1.5%) | 857(1.5%) | John Woolley | 1.48% | 1,302 | 2.25% | 2.84% | -0.59% |
| 1904 | 18,480(26.0%)(Δ -10,934) | 47,783(67.1%)(Δ 20,585) | (25.5%, 65.8%, 6.8%) | 4,949(6.9%) | Eugene V. Debs | 6.82% | 6,315 | 8.70% | 5.99% | 2.71% |
| 1908 | 36,162(38.0%)(Δ 17,682) | 52,621(55.3%)(Δ 4,838) | (37.2%, 54.1%, 6.6%) | 6,400(6.7%) | Eugene V. Debs | 6.58% | 8,510 | 8.75% | 5.39% | 3.36% |
| 1912 | 33,921(36.8%)(Δ -2,241) | 25,527(27.7%)(Δ -27,094) | (32.1%, 24.1%, 31.0%) | 32,810(35.6%) | William H. Taft | 31.02% | 46,306 | 43.79% | 30.74% | 13.04% |
| 1916 | 70,054(52.5%)(Δ 36,133) | 55,368(41.5%)(Δ 29,841) | (52.0%, 41.1%, 6.0%) | 8,066(6.0%) | Allan Benson | 5.99% | 9,193 | 6.83% | 4.64% | 2.18% |
| 1920 | 46,579(34.4%)(Δ -23,475) | 88,975(65.6%)(Δ 33,607) | (34.3%, 65.6%, 0.0%) | 38(0.0%) | Eugene Debs | 0.03% | 70 | 0.05% | 5.53% | -5.48% |
| 1924 | 24,256(16.4%)(Δ -22,323) | 69,879(47.1%)(Δ -19,096) | (16.4%, 47.1%, 36.5%) | 54,160(36.5%) | Robert La Follette | 36.52% | 54,160 | 36.52% | 17.14% | 19.38% |
| 1928 | 52,926(34.9%)(Δ 28,670) | 97,322(64.2%)(Δ 27,443) | (34.9%, 64.2%, 0.9%) | 1,293(0.9%) | Norman Thomas | 0.85% | 1,293 | 0.85% | 0.99% | -0.14% |
| 1932 | 109,479(60.3%)(Δ 56,553) | 71,417(39.4%)(Δ -25,905) | (58.7%, 38.3%, 0.3%) | 526(0.3%) | Thomas/Maurer | 0.28% | 5,729 | 3.07% | 2.94% | 0.13% |
| 1936 | 125,683(63.0%)(Δ 16,204) | 66,256(33.2%)(Δ -5,161) | (63.0%, 33.2%, 3.8%) | 7,678(3.8%) | William Lemke | 3.85% | 7,678 | 3.85% | 2.66% | 1.19% |
| 1940 | 127,842(54.4%)(Δ 2,159) | 106,553(45.4%)(Δ 40,297) | (54.4%, 45.3%, 0.2%) | 497(0.2%) | Norman Thomas | 0.21% | 773 | 0.33% | 0.48% | -0.15% |
| 1944 | 107,399(51.7%)(Δ -20,443) | 100,137(48.2%)(Δ -6,416) | (51.6%, 48.1%, 0.1%) | 282(0.1%) | Norman Thomas | 0.14% | 785 | 0.38% | 0.72% | -0.34% |
| 1948 | 107,370(50.2%)(Δ -29) | 101,514(47.5%)(Δ 1,377) | (50.0%, 47.3%, 2.3%) | 4,972(2.3%) | Henry Wallace | 2.31% | 5,932 | 2.76% | 5.38% | -2.61% |
| 1952 | 95,081(34.4%)(Δ -12,289) | 180,707(65.4%)(Δ 79,193) | (34.4%, 65.4%, 0.2%) | 443(0.2%) | Vincent Hallinan | 0.16% | 443 | 0.16% | 0.49% | -0.33% |
| 1956 | 105,868(38.8%)(Δ 10,787) | 166,979(61.2%)(Δ -13,728) | (38.8%, 61.2%, 0.0%) | 0(0.0%) | None | 0.00% | 142 | 0.05% | 0.67% | -0.62% |
| 1960 | 138,853(46.2%)(Δ 32,985) | 161,597(53.8%)(Δ -5,382) | (46.2%, 53.8%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 0.73% | -0.73% |
| 1964 | 148,920(50.9%)(Δ 10,067) | 143,557(49.1%)(Δ -18,040) | (50.9%, 49.1%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 0.48% | -0.48% |
| 1968 | 89,273(30.7%)(Δ -59,647) | 165,369(56.8%)(Δ 21,812) | (30.7%, 56.8%, 12.5%) | 36,541(12.5%) | George Wallace | 12.55% | 36,541 | 12.55% | 13.86% | -1.31% |
| 1972 | 80,826(26.2%)(Δ -8,447) | 199,384(64.5%)(Δ 34,015) | (26.0%, 64.2%, 9.3%) | 28,869(9.3%) | John Schmitz | 9.30% | 30,169 | 9.72% | 1.80% | 7.92% |
| 1976 | 126,549(37.9%)(Δ 45,723) | 204,151(61.1%)(Δ 4,767) | (37.1%, 59.9%, 1.0%) | 3,558(1.1%) | Roger MacBride | 1.04% | 10,232 | 3.00% | 1.90% | 1.10% |
| 1980 | 110,192(25.7%)(Δ -16,357) | 290,699(67.9%)(Δ 86,548) | (25.2%, 66.5%, 6.2%) | 27,058(6.3%) | John Anderson | 6.19% | 36,540 | 8.35% | 8.24% | 0.12% |
| 1984 | 108,510(26.5%)(Δ -1,682) | 297,523(72.8%)(Δ 6,824) | (26.4%, 72.4%, 0.7%) | 2,823(0.7%) | David Bergland | 0.69% | 5,111 | 1.24% | 0.67% | 0.57% |
| 1988 | 147,272(36.2%)(Δ 38,762) | 253,881(62.5%)(Δ -43,642) | (36.0%, 62.1%, 1.3%) | 5,313(1.3%) | Ron Paul | 1.30% | 7,815 | 1.91% | 0.98% | 0.93% |
| 1992 | 137,013(29.1%)(Δ -10,259) | 202,645(43.1%)(Δ -51,236) | (28.4%, 42.0%, 27.0%) | 130,395(27.7%) | Ross Perot | 27.04% | 142,484 | 29.55% | 19.55% | 10.01% |
| 1996 | 165,443(34.1%)(Δ 28,430) | 256,595(53.0%)(Δ 53,950) | (33.6%, 52.2%, 12.7%) | 62,518(12.9%) | Ross Perot | 12.71% | 69,681 | 14.17% | 10.05% | 4.12% |
| 2000 | 138,637(28.4%)(Δ -26,806) | 336,937(69.1%)(Δ 80,342) | (27.6%, 67.2%, 2.5%) | 12,292(2.5%) | Ralph Nader | 2.45% | 26,047 | 5.19% | 3.75% | 1.45% |
| 2004 | 181,098(30.5%)(Δ 42,461) | 409,235(68.9%)(Δ 72,298) | (30.3%, 68.4%, 0.6%) | 3,844(0.6%) | Michael Badnarik | 0.64% | 8,114 | 1.36% | 1.00% | 0.36% |
| 2008 | 236,440(36.6%)(Δ 55,342) | 403,012(62.3%)(Δ -6,223) | (36.1%, 61.5%, 1.1%) | 7,175(1.1%) | Ralph Nader | 1.10% | 15,670 | 2.39% | 1.42% | 0.97% |
| 2012 | 212,787(33.1%)(Δ -23,653) | 420,911(65.4%)(Δ 17,899) | (32.6%, 64.5%, 1.4%) | 9,453(1.5%) | Johnson/Gray | 1.45% | 18,576 | 2.85% | 1.73% | 1.12% |
| 2016 | 189,765(29.4%)(Δ -23,022) | 409,055(63.4%)(Δ -11,856) | (27.5%, 59.3%, 6.7%) | 46,476(7.2%) | McMullin/Finn | 6.73% | 91,435 | 13.25% | 5.73% | 7.52% |
| 2020 | 287,021(33.5%)(Δ 97,256) | 554,119(64.6%)(Δ 145,064) | (33.1%, 63.8%, 1.9%) | 16,404(1.9%) | Jorgensen/Cohen | 1.89% | 26,794 | 3.09% | 1.84% | 1.24% |
| 2024 | 274,972(30.8%)(Δ -12,049) | 605,246(67.8%)(Δ 51,127) | (30.4%, 66.9%, 1.4%) | 12,812(1.4%) | Kennedy/Shanahan | 1.42% | 24,839 | 2.74% | 1.88% | 0.86% |
| Year | D | R | Margin (D%, R%, 3rd%) | 2-Party Margin | 2-Party Nat. Margin | 2-Party Rel. Margin | EVs |
|---|---|---|---|---|---|---|---|
| 1892 | 0(0.0%) | 8,599(100.0%) | (0.0%, 44.3%, 54.2%) | R+100.0 | D+3.4 | R+103.4 | 3 |
| 1896 | 23,135(78.6%)(Δ 23,135) | 6,314(21.4%)(Δ -2,285) | (78.1%, 21.3%, 0.6%) | D+57.1(Δ D+157.1) | R+4.4(Δ R+7.8) | D+61.5(Δ D+164.9) | 3 |
| 1900 | 29,414(52.0%)(Δ 6,279) | 27,198(48.0%)(Δ 20,884) | (50.8%, 47.0%, 1.5%) | D+3.9(Δ R+53.2) | R+6.3(Δ R+1.9) | D+10.2(Δ R+51.3) | 3 |
| 1904 | 18,480(27.9%)(Δ -10,934) | 47,783(72.1%)(Δ 20,585) | (25.5%, 65.8%, 6.8%) | R+44.2(Δ R+48.1) | R+20.0(Δ R+13.7) | R+24.2(Δ R+34.4) | 3 |
| 1908 | 36,162(40.7%)(Δ 17,682) | 52,621(59.3%)(Δ 4,838) | (37.2%, 54.1%, 6.6%) | R+18.5(Δ D+25.7) | R+9.0(Δ D+11.0) | R+9.5(Δ D+14.7) | 3 |
| 1912 | 33,921(57.1%)(Δ -2,241) | 25,527(42.9%)(Δ -27,094) | (32.1%, 24.1%, 31.0%) | D+14.1(Δ D+32.7) | D+20.9(Δ D+29.9) | R+6.7(Δ D+2.8) | 4 |
| 1916 | 70,054(55.9%)(Δ 36,133) | 55,368(44.1%)(Δ 29,841) | (52.0%, 41.1%, 6.0%) | D+11.7(Δ R+2.4) | D+3.3(Δ R+17.6) | D+8.4(Δ D+15.2) | 4 |
| 1920 | 46,579(34.4%)(Δ -23,475) | 88,975(65.6%)(Δ 33,607) | (34.3%, 65.6%, 0.0%) | R+31.3(Δ R+43.0) | R+27.7(Δ R+31.0) | R+3.6(Δ R+12.0) | 4 |
| 1924 | 24,256(25.8%)(Δ -22,323) | 69,879(74.2%)(Δ -19,096) | (16.4%, 47.1%, 36.5%) | R+48.5(Δ R+17.2) | R+30.4(Δ R+2.7) | R+18.0(Δ R+14.5) | 4 |
| 1928 | 52,926(35.2%)(Δ 28,670) | 97,322(64.8%)(Δ 27,443) | (34.9%, 64.2%, 0.9%) | R+29.5(Δ D+18.9) | R+17.6(Δ D+12.8) | R+12.0(Δ D+6.1) | 4 |
| 1932 | 109,479(60.5%)(Δ 56,553) | 71,417(39.5%)(Δ -25,905) | (58.7%, 38.3%, 0.3%) | D+21.0(Δ D+50.6) | D+18.3(Δ D+35.9) | D+2.7(Δ D+14.7) | 4 |
| 1936 | 125,683(65.5%)(Δ 16,204) | 66,256(34.5%)(Δ -5,161) | (63.0%, 33.2%, 3.8%) | D+31.0(Δ D+9.9) | D+24.9(Δ D+6.6) | D+6.0(Δ D+3.3) | 4 |
| 1940 | 127,842(54.5%)(Δ 2,159) | 106,553(45.5%)(Δ 40,297) | (54.4%, 45.3%, 0.2%) | D+9.1(Δ R+21.9) | D+10.0(Δ R+14.9) | R+0.9(Δ R+7.0) | 4 |
| 1944 | 107,399(51.7%)(Δ -20,443) | 100,137(48.3%)(Δ -6,416) | (51.6%, 48.1%, 0.1%) | D+3.5(Δ R+5.6) | D+7.5(Δ R+2.5) | R+4.0(Δ R+3.1) | 4 |
| 1948 | 107,370(51.4%)(Δ -29) | 101,514(48.6%)(Δ 1,377) | (50.0%, 47.3%, 2.3%) | D+2.8(Δ R+0.7) | D+4.7(Δ R+2.8) | R+1.9(Δ D+2.1) | 4 |
| 1952 | 95,081(34.5%)(Δ -12,289) | 180,707(65.5%)(Δ 79,193) | (34.4%, 65.4%, 0.2%) | R+31.0(Δ R+33.9) | R+10.9(Δ R+15.6) | R+20.1(Δ R+18.2) | 4 |
| 1956 | 105,868(38.8%)(Δ 10,787) | 166,979(61.2%)(Δ -13,728) | (38.8%, 61.2%, 0.0%) | R+22.4(Δ D+8.7) | R+15.5(Δ R+4.6) | R+6.9(Δ D+13.2) | 4 |
| 1960 | 138,853(46.2%)(Δ 32,985) | 161,597(53.8%)(Δ -5,382) | (46.2%, 53.8%, 0.0%) | R+7.6(Δ D+14.8) | D+0.2(Δ D+15.7) | R+7.7(Δ R+0.8) | 4 |
| 1964 | 148,920(50.9%)(Δ 10,067) | 143,557(49.1%)(Δ -18,040) | (50.9%, 49.1%, 0.0%) | D+1.8(Δ D+9.4) | D+22.7(Δ D+22.5) | R+20.9(Δ R+13.1) | 4 |
| 1968 | 89,273(35.1%)(Δ -59,647) | 165,369(64.9%)(Δ 21,812) | (30.7%, 56.8%, 12.5%) | R+29.9(Δ R+31.7) | R+0.8(Δ R+23.5) | R+29.1(Δ R+8.2) | 4 |
| 1972 | 80,826(28.8%)(Δ -8,447) | 199,384(71.2%)(Δ 34,015) | (26.0%, 64.2%, 9.3%) | R+42.3(Δ R+12.4) | R+23.6(Δ R+22.8) | R+18.7(Δ D+10.3) | 4 |
| 1976 | 126,549(38.3%)(Δ 45,723) | 204,151(61.7%)(Δ 4,767) | (37.1%, 59.9%, 1.0%) | R+23.5(Δ D+18.8) | D+2.1(Δ D+25.7) | R+25.6(Δ R+6.8) | 4 |
| 1980 | 110,192(27.5%)(Δ -16,357) | 290,699(72.5%)(Δ 86,548) | (25.2%, 66.5%, 6.2%) | R+45.0(Δ R+21.6) | R+10.6(Δ R+12.7) | R+34.4(Δ R+8.8) | 4 |
| 1984 | 108,510(26.7%)(Δ -1,682) | 297,523(73.3%)(Δ 6,824) | (26.4%, 72.4%, 0.7%) | R+46.6(Δ R+1.5) | R+18.3(Δ R+7.7) | R+28.2(Δ D+6.2) | 4 |
| 1988 | 147,272(36.7%)(Δ 38,762) | 253,881(63.3%)(Δ -43,642) | (36.0%, 62.1%, 1.3%) | R+26.6(Δ D+20.0) | R+7.8(Δ D+10.5) | R+18.8(Δ D+9.4) | 4 |
| 1992 | 137,013(40.3%)(Δ -10,259) | 202,645(59.7%)(Δ -51,236) | (28.4%, 42.0%, 27.0%) | R+19.3(Δ D+7.3) | D+6.9(Δ D+14.7) | R+26.2(Δ R+7.5) | 4 |
| 1996 | 165,443(39.2%)(Δ 28,430) | 256,595(60.8%)(Δ 53,950) | (33.6%, 52.2%, 12.7%) | R+21.6(Δ R+2.3) | D+9.5(Δ D+2.6) | R+31.1(Δ R+4.8) | 4 |
| 2000 | 138,637(29.2%)(Δ -26,806) | 336,937(70.8%)(Δ 80,342) | (27.6%, 67.2%, 2.5%) | R+41.7(Δ R+20.1) | D+0.5(Δ R+8.9) | R+42.2(Δ R+11.2) | 4 |
| 2004 | 181,098(30.7%)(Δ 42,461) | 409,235(69.3%)(Δ 72,298) | (30.3%, 68.4%, 0.6%) | R+38.6(Δ D+3.1) | R+2.5(Δ R+3.0) | R+36.2(Δ D+6.1) | 4 |
| 2008 | 236,440(37.0%)(Δ 55,342) | 403,012(63.0%)(Δ -6,223) | (36.1%, 61.5%, 1.1%) | R+26.0(Δ D+12.6) | D+7.4(Δ D+9.9) | R+33.4(Δ D+2.7) | 4 |
| 2012 | 212,787(33.6%)(Δ -23,653) | 420,911(66.4%)(Δ 17,899) | (32.6%, 64.5%, 1.4%) | R+32.8(Δ R+6.8) | D+3.9(Δ R+3.4) | R+36.8(Δ R+3.3) | 4 |
| 2016 | 189,765(31.7%)(Δ -23,022) | 409,055(68.3%)(Δ -11,856) | (27.5%, 59.3%, 6.7%) | R+36.6(Δ R+3.8) | D+2.2(Δ R+1.7) | R+38.8(Δ R+2.1) | 4 |
| 2020 | 287,021(34.1%)(Δ 97,256) | 554,119(65.9%)(Δ 145,064) | (33.1%, 63.8%, 1.9%) | R+31.8(Δ D+4.9) | D+4.5(Δ D+2.3) | R+36.3(Δ D+2.6) | 4 |
| 2024 | 274,972(31.2%)(Δ -12,049) | 605,246(68.8%)(Δ 51,127) | (30.4%, 66.9%, 1.4%) | R+37.5(Δ R+5.8) | R+1.5(Δ R+6.0) | R+36.0(Δ D+0.3) | 4 |
| Year | D | R | Margin (D%, R%, 3rd%) | Class | D Cand. | R Cand. | Senate Margin | Nat. Margin | Rel. Margin | Total votes | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 89,635(31.6%) | 194,412(68.4%) | (31.6%, 68.4%, 0.0%) | II | DWIGHT JENSEN | JAMES A. MCCLURE | R+36.9 | D+3.0(Δ R+9.3) | R+39.9 | 284,047 | |
| 1980 | 214,439(48.8%) | 218,701(49.7%) | (48.8%, 49.7%, 1.5%) | III | FRANK CHURCH | STEVE SYMMS | R+1.0 | D+11.0(Δ D+8.0) | R+12.0 | 439,647 | |
| 1984 | 105,591(26.0%)(Δ 15,956) | 293,193(72.2%)(Δ 98,781) | (26.0%, 72.2%, 1.8%) | II | PETER M. BUSCH | JAMES A. MCCLURE | R+46.2(Δ R+9.3) | R+1.4(Δ R+14.8) | R+44.8(Δ R+4.9) | 406,168(Δ 122,121) | |
| 1986 | 185,066(48.4%)(Δ -29,373) | 196,958(51.6%)(Δ -21,743) | (48.4%, 51.6%, 0.0%) | III | JOHN V. EVANS | STEVE SYMMS | R+3.1(Δ R+2.1) | D+2.3(Δ D+3.7) | R+5.4(Δ D+6.5) | 382,024(Δ -57,623) | |
| 1990 | 122,295(38.7%)(Δ 16,704) | 193,641(61.3%)(Δ -99,552) | (38.7%, 61.3%, 0.0%) | II | RON J. TWILEGAR | LARRY E. CRAIG | R+22.6(Δ D+23.6) | D+4.5(Δ R+1.4) | R+27.1(Δ D+17.7) | 315,936(Δ -90,232) | |
| 1992 | 208,036(43.5%)(Δ 22,970) | 270,468(56.5%)(Δ 73,510) | (43.5%, 56.5%, 0.0%) | III | RICHARD H. STALLINGS | DIRK KEMPTHORNE | R+13.0(Δ R+9.9) | D+5.4(Δ D+0.9) | R+18.5(Δ R+13.0) | 478,504(Δ 96,480) | |
| 1996 | 198,422(39.9%)(Δ 76,127) | 283,532(57.0%)(Δ 89,891) | (39.9%, 57.0%, 2.0%) | II | WALT MINNICK | LARRY E. CRAIG | R+17.1(Δ D+5.5) | R+1.5(Δ D+4.4) | R+15.6(Δ D+11.4) | 497,233(Δ 181,297) | |
| 1998 | 107,375(28.4%)(Δ -100,661) | 262,966(69.5%)(Δ -7,502) | (28.4%, 69.5%, 2.1%) | III | BILL MAUK | MIKE CRAPO | R+41.1(Δ R+28.1) | D+1.3(Δ D+2.8) | R+42.5(Δ R+24.0) | 378,174(Δ -100,330) | |
| 2002 | 132,975(32.5%)(Δ -65,447) | 266,215(65.2%)(Δ -17,317) | (32.5%, 65.2%, 2.3%) | II | ALAN BLINKEN | LARRY E. CRAIG | R+32.6(Δ R+15.5) | R+4.1(Δ R+4.2) | R+28.5(Δ R+12.9) | 408,544(Δ -88,689) | |
| 2004 | 0(0.0%)(Δ -107,375) | 499,796(100.0%)(Δ 236,830) | (0.0%, 99.2%, 0.0%) | III | None | MIKE CRAPO | R+99.2(Δ R+58.0) | D+4.3(Δ D+8.4) | R+103.4(Δ R+61.0) | 503,932(Δ 125,758) | |
| 2008 | 219,903(34.1%)(Δ 86,928) | 371,744(57.7%)(Δ 105,529) | (34.1%, 57.7%, 5.4%) | II | LARRY LAROCCO | JIM RISCH | R+23.5(Δ D+9.1) | D+7.5(Δ R+5.7) | R+31.1(Δ R+2.6) | 644,780(Δ 236,236) | |
| 2010 | 112,057(24.9%)(Δ 112,057) | 319,953(71.2%)(Δ -179,843) | (24.9%, 71.2%, 3.9%) | III | P. TOM SULLIVAN | MIKE CRAPO | R+46.2(Δ D+52.9) | R+4.6(Δ R+12.2) | R+41.6(Δ D+61.8) | 449,530(Δ -54,402) | |
| 2014 | 151,574(34.7%)(Δ -68,329) | 285,596(65.3%)(Δ -86,148) | (34.7%, 65.3%, 0.0%) | II | NELS MITCHELL | JAMES E. RISCH | R+30.7(Δ R+7.1) | R+7.2(Δ R+19.5) | R+23.5(Δ D+7.6) | 437,170(Δ -207,610) | |
| 2016 | 188,249(27.7%)(Δ 76,192) | 449,017(66.1%)(Δ 129,064) | (27.7%, 66.1%, 6.1%) | III | JERRY STURGILL | MIKE CRAPO | R+38.4(Δ D+7.8) | D+6.0(Δ D+13.1) | R+44.4(Δ R+2.8) | 678,943(Δ 229,413) | |
| 2020 | 285,864(33.2%)(Δ 134,290) | 538,446(62.6%)(Δ 252,850) | (33.2%, 62.6%, 2.9%) | II | PAULETTE JORDAN | JIM RISCH | R+29.4(Δ D+1.3) | R+2.3(Δ R+19.1) | R+27.1(Δ R+3.6) | 859,827(Δ 422,657) | |
| 2022 | 169,808(28.7%)(Δ -18,441) | 358,539(60.7%)(Δ -90,478) | (28.7%, 60.7%, 8.4%) | III | David Roth | Mike Crapo | R+31.9(Δ D+6.5) | R+2.4(Δ R+0.1) | R+29.6(Δ D+14.8) | 590,890(Δ -88,053) | Wikipedia |
| Year | D | R | Margin (D%, R%, 3rd%) | Other votes | Top 3rd-Party Candidate | Top 3rd-Party Share | Total 3rd-Party Votes | State 3rd-Party Share | 3rd-Party Nat. Share | 3rd-Party Rel. Share |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 89,635(31.6%) | 194,412(68.4%) | (31.6%, 68.4%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 1.77% | -1.77% |
| 1980 | 214,439(48.8%) | 218,701(49.7%) | (48.8%, 49.7%, 1.5%) | 6,507(1.5%) | LARRY FULLMER | 1.48% | 6,507 | 1.48% | 3.33% | -1.85% |
| 1984 | 105,591(26.0%)(Δ 15,956) | 293,193(72.2%)(Δ 98,781) | (26.0%, 72.2%, 1.8%) | 7,384(1.8%) | DONALD B. BILLINGS | 1.82% | 7,384 | 1.82% | 0.86% | 0.95% |
| 1986 | 185,066(48.4%)(Δ -29,373) | 196,958(51.6%)(Δ -21,743) | (48.4%, 51.6%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 1.68% | -1.68% |
| 1990 | 122,295(38.7%)(Δ 16,704) | 193,641(61.3%)(Δ -99,552) | (38.7%, 61.3%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 1.81% | -1.81% |
| 1992 | 208,036(43.5%)(Δ 22,970) | 270,468(56.5%)(Δ 73,510) | (43.5%, 56.5%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 5.04% | -5.04% |
| 1996 | 198,422(39.9%)(Δ 76,127) | 283,532(57.0%)(Δ 89,891) | (39.9%, 57.0%, 2.0%) | 15,279(3.1%) | MARY J. CHARBONNEAU | 2.04% | 15,279 | 3.07% | 2.64% | 0.44% |
| 1998 | 107,375(28.4%)(Δ -100,661) | 262,966(69.5%)(Δ -7,502) | (28.4%, 69.5%, 2.1%) | 7,833(2.1%) | GEORGE J. MANSFELD | 2.07% | 7,833 | 2.07% | 3.30% | -1.22% |
| 2002 | 132,975(32.5%)(Δ -65,447) | 266,215(65.2%)(Δ -17,317) | (32.5%, 65.2%, 2.3%) | 9,354(2.3%) | DONOVAN BRAMWELL | 2.29% | 9,354 | 2.29% | 4.10% | -1.81% |
| 2004 | 0(0.0%)(Δ -107,375) | 499,796(100.0%)(Δ 236,830) | (0.0%, 99.2%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 3.46% | -3.46% |
| 2008 | 219,903(34.1%)(Δ 86,928) | 371,744(57.7%)(Δ 105,529) | (34.1%, 57.7%, 5.4%) | 53,130(8.2%) | REX RAMMELL | 5.35% | 53,130 | 8.24% | 3.51% | 4.73% |
| 2010 | 112,057(24.9%)(Δ 112,057) | 319,953(71.2%)(Δ -179,843) | (24.9%, 71.2%, 3.9%) | 17,429(3.9%) | RANDY LYNN BERGQUIST | 3.88% | 17,429 | 3.88% | 6.58% | -2.71% |
| 2014 | 151,574(34.7%)(Δ -68,329) | 285,596(65.3%)(Δ -86,148) | (34.7%, 65.3%, 0.0%) | 0(0.0%) | None | 0.00% | 0 | 0.00% | 4.37% | -4.37% |
| 2016 | 188,249(27.7%)(Δ 76,192) | 449,017(66.1%)(Δ 129,064) | (27.7%, 66.1%, 6.1%) | 41,677(6.1%) | RAY J. WRITZ | 6.14% | 41,677 | 6.14% | 4.46% | 1.67% |
| 2020 | 285,864(33.2%)(Δ 134,290) | 538,446(62.6%)(Δ 252,850) | (33.2%, 62.6%, 2.9%) | 35,517(4.1%) | NATALIE M FLEMING | 2.95% | 35,517 | 4.13% | 3.96% | 0.17% |
| 2022 | 169,808(28.7%)(Δ -18,441) | 358,539(60.7%)(Δ -90,478) | (28.7%, 60.7%, 8.4%) | 62,543(10.6%) | Scott Cleveland | 8.45% | 62,543 | 10.58% | 15.16% | -4.57% |
| Year | D | R | Margin (D%, R%, 3rd%) | 2-Party Margin | 2-Party Nat. Margin | 2-Party Rel. Margin |
|---|---|---|---|---|---|---|
| 1978 | 89,635(31.6%) | 194,412(68.4%) | (31.6%, 68.4%, 0.0%) | R+36.9 | D+3.0(Δ R+9.8) | R+39.9 |
| 1980 | 214,439(49.5%) | 218,701(50.5%) | (48.8%, 49.7%, 1.5%) | R+1.0 | D+11.9(Δ D+8.9) | R+12.9 |
| 1984 | 105,591(26.5%)(Δ 15,956) | 293,193(73.5%)(Δ 98,781) | (26.0%, 72.2%, 1.8%) | R+47.0(Δ R+10.2) | R+1.4(Δ R+15.5) | R+45.6(Δ R+5.7) |
| 1986 | 185,066(48.4%)(Δ -29,373) | 196,958(51.6%)(Δ -21,743) | (48.4%, 51.6%, 0.0%) | R+3.1(Δ R+2.1) | D+2.4(Δ D+3.8) | R+5.5(Δ D+7.4) |
| 1990 | 122,295(38.7%)(Δ 16,704) | 193,641(61.3%)(Δ -99,552) | (38.7%, 61.3%, 0.0%) | R+22.6(Δ D+24.5) | D+4.6(Δ R+1.4) | R+27.2(Δ D+18.5) |
| 1992 | 208,036(43.5%)(Δ 22,970) | 270,468(56.5%)(Δ 73,510) | (43.5%, 56.5%, 0.0%) | R+13.0(Δ R+9.9) | D+5.8(Δ D+1.2) | R+18.9(Δ R+13.4) |
| 1996 | 198,422(41.2%)(Δ 76,127) | 283,532(58.8%)(Δ 89,891) | (39.9%, 57.0%, 2.0%) | R+17.7(Δ D+4.9) | R+1.5(Δ D+4.8) | R+16.1(Δ D+11.0) |
| 1998 | 107,375(29.0%)(Δ -100,661) | 262,966(71.0%)(Δ -7,502) | (28.4%, 69.5%, 2.1%) | R+42.0(Δ R+29.0) | D+1.5(Δ D+3.0) | R+43.5(Δ R+24.6) |
| 2002 | 132,975(33.3%)(Δ -65,447) | 266,215(66.7%)(Δ -17,317) | (32.5%, 65.2%, 2.3%) | R+33.4(Δ R+15.7) | R+4.4(Δ R+4.5) | R+29.0(Δ R+12.8) |
| 2004 | 0(0.0%)(Δ -107,375) | 499,796(100.0%)(Δ 236,830) | (0.0%, 99.2%, 0.0%) | R+100.0(Δ R+58.0) | D+4.4(Δ D+8.9) | R+104.4(Δ R+60.9) |
| 2008 | 219,903(37.2%)(Δ 86,928) | 371,744(62.8%)(Δ 105,529) | (34.1%, 57.7%, 5.4%) | R+25.7(Δ D+7.7) | D+7.8(Δ R+6.4) | R+33.5(Δ R+4.5) |
| 2010 | 112,057(25.9%)(Δ 112,057) | 319,953(74.1%)(Δ -179,843) | (24.9%, 71.2%, 3.9%) | R+48.1(Δ D+51.9) | R+5.1(Δ R+12.9) | R+43.0(Δ D+61.4) |
| 2014 | 151,574(34.7%)(Δ -68,329) | 285,596(65.3%)(Δ -86,148) | (34.7%, 65.3%, 0.0%) | R+30.7(Δ R+5.0) | R+7.5(Δ R+20.9) | R+23.1(Δ D+10.3) |
| 2016 | 188,249(29.5%)(Δ 76,192) | 449,017(70.5%)(Δ 129,064) | (27.7%, 66.1%, 6.1%) | R+40.9(Δ D+7.2) | D+6.9(Δ D+14.4) | R+47.8(Δ R+4.8) |
| 2020 | 285,864(34.7%)(Δ 134,290) | 538,446(65.3%)(Δ 252,850) | (33.2%, 62.6%, 2.9%) | R+30.6(Δ D+0.0) | R+2.4(Δ R+21.1) | R+28.3(Δ R+5.1) |
| 2022 | 169,808(32.1%)(Δ -18,441) | 358,539(67.9%)(Δ -90,478) | (28.7%, 60.7%, 8.4%) | R+35.7(Δ D+5.2) | R+2.8(Δ R+0.5) | R+32.9(Δ D+14.9) |