List of United States Senate elections in Colorado

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United States Senate elections in Colorado occur when voters in the U.S. state of Colorado select an individual to represent the state in the United States Senate in either of the state's two seats allotted by the Constitution. Regularly scheduled general elections occur on Election Day, coinciding with various other federal, statewide, and local races.

Each state is allotted two U.S. Senators elected to staggered six-year terms, which were originally selected by the state legislature. The Senate is divided into three classes to stagger the terms of its members such that one-third of the Senate would be up for re-election every two years. Upon Colorado's admission to the Union in 1876, the state was assigned a Class 2 seat and a Class 3 seat, first elected in 1876. Since the passage of the Seventeenth Amendment in 1913, U.S. Senators are elected directly by the voters of each state. Special elections may be held to fill mid-term vacancies to elect an individual to serve the remainder of the unexpired term.

The list below contains results from all U.S. Senate elections held in Colorado after the passage of the Seventeenth Amendment, sorted by year. The next scheduled election for the Class 2 seat is in 2026, while the Class 3 seat will hold its next election in 2028.

List of recent elections[edit]

Class 2[edit]

Year Winner Runner(s)-up Others Ref
Candidate Party Votes % Candidate Party Votes % Votes %
1918 Lawrence C. Phipps Republican 107,726 49.49% John F. Shafroth Democratic 104,347 47.94% 5,606 2.58% [1]
1924 Lawrence C. Phipps Republican 159,698 50.19% Alva B. Adams Democratic 139,660 43.89% 2,772 0.87% [2]
Morton Alexander Farmer–Labor 16,039 5.04%
1930 Edward P. Costigan Democratic 180,028 55.85% George H. Shaw Republican 137,487 42.65% 4,826 1.50% [3]
1936 Edwin C. Johnson Democratic 299,376 63.45% Raymond Sauter Republican 166,308 35.25% 6,143 1.30% [4]
1942 Edwin C. Johnson Democratic 174,612 50.23% Ralph Lawrence Carr Republican 170,970 49.19% 2,014 0.58% [5]
1948 Edwin C. Johnson Democratic 340,719 66.79% Will Nicholson Republican 165,069 32.36% 4,333 0.85% [6]
1954 Gordon Allott Republican 248,502 51.32% John A. Carroll Democratic 235,686 48.68% [7]
1960 Gordon Allott Republican 389,428 53.75% Robert Lee Knous Democratic 331,752 45.79% 3,351 0.46% [8]
1966 Gordon Allott Republican 368,307 58.02% Roy Romer Democratic 266,198 41.93% 332 0.05% [9]
1972 Floyd Haskell Democratic 457,545 49.41% Gordon Allott Republican 447,957 48.37% 20,581 2.22% [10]
1978 William L. Armstrong Republican 480,801 58.69% Floyd Haskell Democratic 330,148 40.30% 8,307 1.01% [11]
1984 William L. Armstrong Republican 833,821 64.25% Nancy E. Dick Democratic 449,327 34.62% 3,584 0.28% [12]
1990 Hank Brown Republican 569,048 55.68% Josie Heath Democratic 425,746 41.66% 27,233 2.66% [13]
1996 Wayne Allard Republican 750,325 51.06% Tom Strickland Democratic 677,600 46.11% 41,686 2.84% [14]
2002 Wayne Allard Republican 717,893 50.70% Tom Strickland Democratic 648,130 45.77% 50,059 3.53% [15]
2008 Mark Udall Democratic 1,231,049 52.80% Bob Schaffer Republican 990,784 42.49% 109,879 4.71% [16]
2014 Cory Gardner Republican 983,891 48.20% Mark Udall Democratic 944,203 46.26% 112,964 5.53% [17]
2020 John Hickenlooper Democratic 1,731,114 53.50% Cory Gardner Republican 1,429,492 44.18% 75,184 2.32% [18]
County results of Class 2 elections since 2002

Class 3[edit]

Year Winner Runner(s)-up Others Ref
Candidate Party Votes % Candidate Party Votes % Votes %
1914 Charles S. Thomas Democratic 102,037 40.30% Hubert Work Republican 98,728 38.99% 11,433 4.52% [19]
Benjamin Griffith Progressive 27,072 10.69%
J. C. Griffiths Socialist 13,943 5.51%
1920 Samuel D. Nicholson Republican 156,577 54.52% Tully Scott Democratic 112,890 39.31% 17,706 6.17% [20]
1924 (sp) Rice W. Means Republican 159,353 50.17% Morrison Shafroth Democratic 138,714 43.67% 2,012 0.63% [2]
Charles T. Philip Farmer–Labor 17,542 5.52%
1926 Charles W. Waterman Republican 149,585 50.25% William Ellery Sweet Democratic 138,113 46.39% 9,997 3.36% [21]
1932 (sp) Karl C. Schuyler Republican 207,540 48.76% Walter Walker Democratic 206,475 48.51% 11,619 2.73% [22]
1932 Alva B. Adams Democratic 226,516 51.91% Karl C. Schuyler Republican 198,519 45.50% 11,304 2.59%
1938 Alva B. Adams Democratic 262,786 58.24% Archibald A. Lee Republican 181,297 40.18% 7,126 1.58% [23]
1942 (sp) Eugene Millikin Republican 191,517 56.12% James A. Marsh Democratic 143,817 42.14% 5,926 1.74% [24]
1944 Eugene Millikin Republican 277,410 56.06% Barney L. Whatley Democratic 214,335 43.31% 3,143 0.64% [25]
1950 Eugene Millikin Republican 239,724 53.25% John A. Carroll Democratic 210,442 46.75% [26]
1956 John A. Carroll Democratic 319,872 50.22% Daniel I. J. Thornton Republican 317,102 49.78% [27]
1962 Peter H. Dominick Republican 328,655 53.58% John A. Carroll Democratic 279,586 45.58% 5,203 0.85% [28]
1968 Peter H. Dominick Republican 459,952 58.55% Stephen McNichols Democratic 325,584 41.45% [29]
1974 Gary Hart Democratic 471,688 57.23% Peter H. Dominick Republican 325,526 39.50% 26,957 3.27% [30]
1980 Gary Hart Democratic 590,501 50.33% Mary Estill Buchanan Republican 571,295 48.7% 11,346 0.97% [31]
1986 Tim Wirth Democratic 529,449 49.91% Ken Kramer Republican 512,994 48.36% 18,322 1.73% [32]
1992 Ben Nighthorse Campbell Democratic 803,725 51.78% Terry Considine Republican 662,893 42.70% 85,671 5.52% [33]
1998 Ben Nighthorse Campbell Republican 829,370 62.49% Dottie Lamm Democratic 464,754 35.02% 33,111 2.49% [34]
2004 Ken Salazar Democratic 1,081,188 51.30% Pete Coors Republican 980,668 46.53% 45,698 2.17% [35]
2010 Michael Bennet Democratic 854,685 48.08% Ken Buck Republican 824,789 46.40% 98,194 5.52% [36]
2016 Michael Bennet Democratic 1,370,710 49.97% Darryl Glenn Republican 1,215,318 44.31% 157,001 5.72% [37]
2022 Michael Bennet Democratic 1,397,170 55.88% Joe O'Dea Republican 1,031,693 41.26% 71,338 2.85% [38]
County results of Class 3 elections since 2004

See also[edit]

References[edit]

  1. ^ "CO US Senate Race - Nov 05, 1918". Our Campaigns.
  2. ^ a b "Statistics of the Congressional and Presidential Election of November 4, 1924" (PDF). Clerk of the United States House of Representatives.
  3. ^ "Statistics of the Congressional Election of November 4, 1930" (PDF). Clerk of the United States House of Representatives.
  4. ^ "Statistics of the Congressional Election of November 3, 1936" (PDF). Clerk of the United States House of Representatives.
  5. ^ "Statistics of the Congressional Election of November 3, 1942" (PDF). Clerk of the United States House of Representatives.
  6. ^ "Statistics of the Presidential and Congressional Election of November 2, 1948" (PDF). Clerk of the United States House of Representatives.
  7. ^ "Statistics of the Congressional Election of November 2, 1954" (PDF). Clerk of the United States House of Representatives.
  8. ^ "Statistics of the Presidential and Congressional Election of November 8, 1960" (PDF). Clerk of the United States House of Representatives.
  9. ^ "Statistics of the Congressional Election of November 8, 1966" (PDF). Clerk of the United States House of Representatives.
  10. ^ "Statistics of the Presidential and Congressional Election of November 7, 1972" (PDF). Clerk of the United States House of Representatives.
  11. ^ "Statistics of the Congressional Election of November 7, 1978" (PDF). Clerk of the United States House of Representatives.
  12. ^ "Federal Elections 1984" (PDF). Federal Election Commission.
  13. ^ "Federal Elections 1990" (PDF). Federal Election Commission.
  14. ^ "Federal Elections 1996" (PDF). Federal Election Commission.
  15. ^ "Federal Elections 2002" (PDF). Federal Election Commission.
  16. ^ "Federal Elections 2008" (PDF). Federal Election Commission.
  17. ^ "Federal Elections 2014" (PDF). Federal Election Commission.
  18. ^ "Federal Elections 2020" (PDF). Federal Election Commission.
  19. ^ "CO US Senate Race - Nov 03, 1914". Our Campaigns.
  20. ^ "Statistics of the Congressional and Presidential Election of November 2, 1920" (PDF). Clerk of the United States House of Representatives.
  21. ^ "Statistics of the Congressional Election of November 2, 1926" (PDF). Clerk of the United States House of Representatives.
  22. ^ Armstrong, Charles M. (1932). State of Colorado Abstract of Votes Cast at the Primary Election Held on the Thirteenth Day of September, A. D. 1932 and at the General Election Held on the Eighth Day of November, A. D. 1932 (PDF). Denver, Colorado: Colorado Secretary of State.
  23. ^ "Statistics of the Congressional Election of November 8, 1938" (PDF). Clerk of the United States House of Representatives.
  24. ^ "Statistics of the Congressional Election of November 3, 1942" (PDF). Clerk of the United States House of Representatives.
  25. ^ "Statistics of the Presidential and Congressional Election of November 7, 1944" (PDF). Clerk of the United States House of Representatives.
  26. ^ "Statistics of the Congressional Election of November 7, 1950" (PDF). Clerk of the United States House of Representatives.
  27. ^ "Statistics of the Presidential and Congressional Election of November 6, 1956" (PDF). Clerk of the United States House of Representatives.
  28. ^ "Statistics of the Congressional Election of November 6, 1962" (PDF). Clerk of the United States House of Representatives.
  29. ^ "Statistics of the Presidential and Congressional Election of November 5, 1968" (PDF). Clerk of the United States House of Representatives.
  30. ^ "Statistics of the Congressional Election of November 4, 1974" (PDF). Clerk of the United States House of Representatives.
  31. ^ "Statistics of the Presidential and Congressional Election of November 4, 1980" (PDF). Clerk of the United States House of Representatives.
  32. ^ "Federal Elections 1986" (PDF). Federal Election Commission.
  33. ^ "Federal Elections 1992" (PDF). Federal Election Commission.
  34. ^ "Federal Elections 1998" (PDF). Federal Election Commission.
  35. ^ "Federal Elections 2004" (PDF). Federal Election Commission.
  36. ^ "Federal Elections 2010" (PDF). Federal Election Commission.
  37. ^ "Federal Elections 2016" (PDF). Federal Election Commission.
  38. ^ "Certificate & Results - General Election Statewide Abstract of Votes Cast" (PDF). Colorado Secretary of State.

External links[edit]