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Yellowstone County, MT


Metropolitan Statistical Area: Billings, MT
Designated Market Area: Billings, MT-WY
American Communities Project County Type (2023): Exurbs

Places in Yellowstone County, MT     [Sort places by name]

 

Tracts in Yellowstone County, MT

   



Click here to view demographic data for Yellowstone County, MT

2024 population: 171,583   ( 6,861 from 2020)
Land area: 2633.5 square miles
Population density: 65.2 persons per square mile

2024 Census data
White:144,651 84.30% 2.6%
Black:1,0310.60% 2.9%
Indian:7,2554.23% 8.8%
Asian:1,4250.83% 5.7%
2+ races:5,1302.99% 13.3%
Hispanic:12,0917.05% 19.5%
Total non-White:26,93215.70% 13.5%

2020-2024 ComponentsNumberRate
Births:7,803 11.8
Deaths:7,55211.5
Net Migration: 6,2129.4
Net Immigration: 3350.5
Change in White population:3,657 2.2
Change in Non-White pop.:3,204 1.9



Historical Presidential Election Results for Yellowstone County, MT

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R -312 R +1,975 R + 3.3%
D -2,287
2024 vs. 2016 R +9,540 R +3,319 D + 1.7%
D +6,221
2020 vs. 2016 R +9,852 R +1,344 D + 5.0%
D +8,508
2024 vs. 2012 R +9,960 R +7,971 R + 6.9%
D +1,989
2016 vs. 2008 R +4,437 R +14,304 R + 23.2%
D -9,867
How to interpret this table


Click on the Year to view county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2024 62% Donald Trump (R) 50,460 62.0% Kamala Harris (D) 28,392 34.9% 2,541 [+] 3.1% 81,393 4 12 13.47%
2020 66% Donald Trump* (R) 50,772 60.6% Joe Biden (D) 30,679 36.6% 2,370 [+] 2.8% 83,821 4 14 13.89%
2016 58% Donald Trump (R) 40,920 58.1% Hillary Clinton (D) 22,171 31.5% 7,395 [+] 10.5% 70,486 2 12 14.05%
2012 60% Mitt Romney (R) 40,500 58.9% Barack Obama* (D) 26,403 38.4% 1,904 [+] 2.8% 68,807 4 12 14.20%
2008 64% John McCain (R) 36,483 51.6% Barack Obama (D) 32,038 45.3% 2,158 [+] 3.1% 70,679 2 6 14.34%
2004 64% George W. Bush* (R) 40,903 61.7% John Kerry (D) 24,120 36.4% 1,263 [+] 1.9% 66,286 3 11 14.72%
2000 60% George W. Bush (R) 33,922 59.0% Albert Gore, Jr. (D) 20,370 35.4% 3,207 [+] 5.6% 57,499 0 11 14.05%
1996 62% Robert Dole (R) 26,367 47.2% Bill Clinton* (D) 22,992 41.1% 6,523 [+] 11.7% 55,882 3 6 13.72%
1992 66% George Bush* (R) 22,822 40.4% Bill Clinton (D) 20,163 35.7% 13,466 [+] 23.9% 56,451 5 3 13.75%
1988 62% George Bush (R) 28,069 55.4% Michael Dukakis (D) 21,987 43.4% 591 [+] 1.2% 50,647 3 2 13.85%
1984 69% Ronald Reagan* (R) 34,124 63.0% Walter Mondale (D) 19,437 35.9% 592 1.1% 54,153 3 4 14.09%
1980 63% Ronald Reagan (R) 27,332 56.6% Jimmy Carter* (D) 15,272 31.6% 5,709 [+] 11.8% 48,313 0 6 13.27%
1976 67% Gerald Ford* (R) 25,201 57.1% Jimmy Carter (D) 18,329 41.5% 595 [+] 1.3% 44,125 4 9 13.42%
1972 67% Richard Nixon* (R) 25,205 62.6% George McGovern (D) 13,602 33.8% 1,430 [+] 3.6% 40,237 5 2 12.67%
1968 68% Richard Nixon (R) 19,898 58.8% Hubert Humphrey (D) 11,682 34.5% 2,277 [+] 6.7% 33,857 8 15 12.34%
1964 69% Lyndon Johnson* (D) 17,446 52.5% Barry Goldwater (R) 15,571 46.8% 222 0.7% 33,239 6 8 11.93%
1960 70% Richard Nixon (R) 19,467 60.8% John Kennedy (D) 12,356 38.6% 183 0.6% 32,006 10 11 11.53%
1956 66% Dwight Eisenhower* (R) 18,664 64.9% Adlai Stevenson (D) 10,088 35.1% 0 0.0% 28,752 8 8 10.60%
1952 70% Dwight Eisenhower (R) 17,556 66.6% Adlai Stevenson (D) 8,750 33.2% 51 0.2% 26,357 7 11 9.94%
1948 61% Thomas Dewey (R) 10,342 50.7% Harry Truman* (D) 9,718 47.7% 324 [+] 1.6% 20,384 8 6 9.09%
1944 57% Thomas Dewey (R) 8,706 51.4% Franklin Roosevelt* (D) 8,140 48.1% 79 0.5% 16,925 7 6 8.16%
1940 68% Franklin Roosevelt* (D) 9,036 51.2% Wendell Willkie (R) 8,479 48.0% 140 0.8% 17,655 8 3 7.12%
1936 64% Franklin Roosevelt* (D) 8,575 61.2% Alf Landon (R) 5,193 37.1% 248 [+] 1.8% 14,016 9 1 6.08%
1932 59% Franklin Roosevelt (D) 5,777 50.3% Herbert Hoover* (R) 5,386 46.9% 320 [+] 2.8% 11,483 11 7 5.30%
1928 57% Herbert Hoover (R) 6,904 68.1% Al Smith (D) 3,205 31.6% 32 [+] 0.3% 10,141 10 10 5.22%
1924 48% Calvin Coolidge (R) 4,715 55.9% Robert LaFollette (Prog) 2,541 30.1% 1,177 [+] 14.0% 8,433 13 2 4.83%
1920 51% Warren Harding (R) 5,714 65.1% James Cox (D) 2,782 31.7% 284 [+] 3.2% 8,780 4 5 4.90%
1916 43% Woodrow Wilson* (D) 4,259 54.6% Charles Evans Hughes (R) 3,281 42.1% 261 [+] 3.3% 7,801 4 -4 4.39%
1912 23% Theodore Roosevelt (Prog) 1,386 36.2% Woodrow Wilson (D) 1,193 31.2% 1,249 [+] 32.6% 3,828 3 3 4.80%
1908 24% William Taft (R) 1,803 56.6% William J. Bryan (D) 1,114 35.0% 268 [+] 8.4% 3,185 10 5 4.63%
1904 20% Theodore Roosevelt (R) 1,249 70.5% Alton Parker (D) 436 24.6% 87 [+] 4.9% 1,772 16 14 2.75%
1900 36% William McKinley* (R) 816 54.5% William J. Bryan (D) 654 43.7% 27 [+] 1.8% 1,497 15 3 2.35%
* incumbent         PSV: percent of state vote



2020 President, Yellowstone County, MT
CandidateVotesPct
Joe Biden (D) 30,679 36.6%
Donald Trump* (R) 50,772 60.6%
Jo Jorgensen (Lbt) 2,370 2.8%
TOTAL 83,821
Turnout: 66% Diff (St): 4 Diff (US): 14


2016 President, Yellowstone County, MT
CandidateVotesPct
Hillary Clinton (D) 22,171 31.5%
Donald Trump (R) 40,920 58.1%
Gary Johnson (Lbt) 4,316 6.1%
Jill Stein (Grn) 898 1.3%
Other 2,181 3.1%
TOTAL 70,486
Turnout: 58% Diff (St): 2 Diff (US): 12


2012 President, Yellowstone County, MT
CandidateVotesPct
Barack Obama* (D) 26,403 38.4%
Mitt Romney (R) 40,500 58.9%
Gary Johnson (Lbt) 1,904 2.8%
TOTAL 68,807
Turnout: 60% Diff (St): 4 Diff (US): 12


2008 President, Yellowstone County, MT
CandidateVotesPct
Barack Obama (D) 32,038 45.3%
John McCain (R) 36,483 51.6%
Ralph Nader (I) 514 0.7%
Bob Barr (Lbt) 156 0.2%
Other 1,488 2.1%
TOTAL 70,679
Turnout: 64% Diff (St): 2 Diff (US): 6


2004 President, Yellowstone County, MT
CandidateVotesPct
George W. Bush* (R) 40,903 61.7%
John Kerry (D) 24,120 36.4%
Ralph Nader (I) 796 1.2%
Other 467 0.7%
TOTAL 66,286
Turnout: 64% Diff (St): 3 Diff (US): 11


2000 President, Yellowstone County, MT
CandidateVotesPct
George W. Bush (R) 33,922 59.0%
Albert Gore, Jr. (D) 20,370 35.4%
Ralph Nader (Grn) 2,145 3.7%
Pat Buchanan (Ref) 728 1.3%
Other 334 0.6%
TOTAL 57,499
Turnout: 60% Diff (St): 0 Diff (US): 11


1996 President, Yellowstone County, MT
CandidateVotesPct
Bill Clinton* (D) 22,992 41.1%
Robert Dole (R) 26,367 47.2%
Ross Perot (Ref) 6,139 11.0%
Harry Browne (Lbt) 240 0.4%
Other 144 0.3%
TOTAL 55,882
Turnout: 62% Diff (St): 3 Diff (US): 6


1992 President, Yellowstone County, MT
CandidateVotesPct
Bill Clinton (D) 20,163 35.7%
George Bush* (R) 22,822 40.4%
Ross Perot (I) 13,133 23.3%
Other 333 0.6%
TOTAL 56,451
Turnout: 66% Diff (St): 5 Diff (US): 3


1988 President, Yellowstone County, MT
CandidateVotesPct
George Bush (R) 28,069 55.4%
Michael Dukakis (D) 21,987 43.4%
Ron Paul (Lbt) 471 0.9%
Other 120 0.2%
TOTAL 50,647
Turnout: 62% Diff (St): 3 Diff (US): 2


1984 President, Yellowstone County, MT
CandidateVotesPct
Ronald Reagan* (R) 34,124 63.0%
Walter Mondale (D) 19,437 35.9%
Other 592 1.1%
TOTAL 54,153
Turnout: 69% Diff (St): 3 Diff (US): 4


1980 President, Yellowstone County, MT
CandidateVotesPct
Ronald Reagan (R) 27,332 56.6%
Jimmy Carter* (D) 15,272 31.6%
John Anderson (I) 4,590 9.5%
Edward Clark (Lbt) 1,119 2.3%
TOTAL 48,313
Turnout: 63% Diff (St): 0 Diff (US): 6


1976 President, Yellowstone County, MT
CandidateVotesPct
Jimmy Carter (D) 18,329 41.5%
Gerald Ford* (R) 25,201 57.1%
Other 595 1.3%
TOTAL 44,125
Turnout: 67% Diff (St): 4 Diff (US): 9


1972 President, Yellowstone County, MT
CandidateVotesPct
Richard Nixon* (R) 25,205 62.6%
George McGovern (D) 13,602 33.8%
John Schmitz (Amer) 1,430 3.6%
TOTAL 40,237
Turnout: 67% Diff (St): 5 Diff (US): 2


1968 President, Yellowstone County, MT
CandidateVotesPct
Richard Nixon (R) 19,898 58.8%
Hubert Humphrey (D) 11,682 34.5%
George Wallace (AIP) 2,124 6.3%
Other 153 0.5%
TOTAL 33,857
Turnout: 68% Diff (St): 8 Diff (US): 15


1964 President, Yellowstone County, MT
CandidateVotesPct
Lyndon Johnson* (D) 17,446 52.5%
Barry Goldwater (R) 15,571 46.8%
Other 222 0.7%
TOTAL 33,239
Turnout: 69% Diff (St): 6 Diff (US): 8


1960 President, Yellowstone County, MT
CandidateVotesPct
John Kennedy (D) 12,356 38.6%
Richard Nixon (R) 19,467 60.8%
Other 183 0.6%
TOTAL 32,006
Turnout: 70% Diff (St): 10 Diff (US): 11


1956 President, Yellowstone County, MT
CandidateVotesPct
Dwight Eisenhower* (R) 18,664 64.9%
Adlai Stevenson (D) 10,088 35.1%
TOTAL 28,752
Turnout: 66% Diff (St): 8 Diff (US): 8


1952 President, Yellowstone County, MT
CandidateVotesPct
Dwight Eisenhower (R) 17,556 66.6%
Adlai Stevenson (D) 8,750 33.2%
Other 51 0.2%
TOTAL 26,357
Turnout: 70% Diff (St): 7 Diff (US): 11


1948 President, Yellowstone County, MT
CandidateVotesPct
Harry Truman* (D) 9,718 47.7%
Thomas Dewey (R) 10,342 50.7%
Henry Wallace (Prog) 251 1.2%
Other 73 0.4%
TOTAL 20,384
Turnout: 61% Diff (St): 8 Diff (US): 6


1944 President, Yellowstone County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 8,140 48.1%
Thomas Dewey (R) 8,706 51.4%
Other 79 0.5%
TOTAL 16,925
Turnout: 57% Diff (St): 7 Diff (US): 6


1940 President, Yellowstone County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 9,036 51.2%
Wendell Willkie (R) 8,479 48.0%
Other 140 0.8%
TOTAL 17,655
Turnout: 68% Diff (St): 8 Diff (US): 3


1936 President, Yellowstone County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 8,575 61.2%
Alf Landon (R) 5,193 37.1%
William Lemke (Union) 160 1.1%
Norman Thomas (Soc) 52 0.4%
Other 36 0.3%
TOTAL 14,016
Turnout: 64% Diff (St): 9 Diff (US): 1


1932 President, Yellowstone County, MT
CandidateVotesPct
Franklin Roosevelt (D) 5,777 50.3%
Herbert Hoover* (R) 5,386 46.9%
Norman Thomas (Soc) 288 2.5%
Other 32 0.3%
TOTAL 11,483
Turnout: 59% Diff (St): 11 Diff (US): 7


1928 President, Yellowstone County, MT
CandidateVotesPct
Herbert Hoover (R) 6,904 68.1%
Al Smith (D) 3,205 31.6%
Norman Thomas (Soc) 26 0.3%
Other 6 0.1%
TOTAL 10,141
Turnout: 57% Diff (St): 10 Diff (US): 10


1924 President, Yellowstone County, MT
CandidateVotesPct
Calvin Coolidge (R) 4,715 55.9%
John Davis (D) 1,172 13.9%
Robert LaFollette (Prog) 2,541 30.1%
Other 5 0.1%
TOTAL 8,433
Turnout: 48% Diff (St): 13 Diff (US): 2


1920 President, Yellowstone County, MT
CandidateVotesPct
Warren Harding (R) 5,714 65.1%
James Cox (D) 2,782 31.7%
Parley Christiansen (FL) 284 3.2%
TOTAL 8,780
Turnout: 51% Diff (St): 4 Diff (US): 5


1916 President, Yellowstone County, MT
CandidateVotesPct
Woodrow Wilson* (D) 4,259 54.6%
Charles Evans Hughes (R) 3,281 42.1%
Allan Benson (Soc) 251 3.2%
Other 10 0.1%
TOTAL 7,801
Turnout: 43% Diff (St): 4 Diff (US): -4


1912 President, Yellowstone County, MT
CandidateVotesPct
Woodrow Wilson (D) 1,193 31.2%
Theodore Roosevelt (Prog) 1,386 36.2%
William Taft* (R) 1,004 26.2%
Eugene Debs (Soc) 245 6.4%
TOTAL 3,828
Turnout: 23% Diff (St): 3 Diff (US): 3


1908 President, Yellowstone County, MT
CandidateVotesPct
William Taft (R) 1,803 56.6%
William J. Bryan (D) 1,114 35.0%
Eugene Debs (Soc) 155 4.9%
Eugene Chafin (Proh) 112 3.5%
Thomas Hisgen (I) 1 0.0%
TOTAL 3,185
Turnout: 24% Diff (St): 10 Diff (US): 5


1904 President, Yellowstone County, MT
CandidateVotesPct
Theodore Roosevelt (R) 1,249 70.5%
Alton Parker (D) 436 24.6%
Eugene Debs (Soc) 66 3.7%
Silas Swallow (Proh) 14 0.8%
Thomas Watson (Pop) 6 0.3%
Other 1 0.1%
TOTAL 1,772
Turnout: 20% Diff (St): 16 Diff (US): 14


1900 President, Yellowstone County, MT
CandidateVotesPct
William McKinley* (R) 816 54.5%
William J. Bryan (D) 654 43.7%
John Woolley (Proh) 8 0.5%
Eugene Debs (Soc) 19 1.3%
TOTAL 1,497
Turnout: 36% Diff (St): 15 Diff (US): 3
* incumbent

Historical Statewide Election Results for Yellowstone County, MT

Click on the Year to view county-level data for that election.

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 63% Tim Sheehy (R) 46,812 57.1% Jon Tester* (D) 33,493 40.9% 1,680 [+] 2.0% 81,985 4 13.50%
2024 G 62% Greg Gianforte* (R) 51,191 62.9% Ryan Busse (D) 27,956 34.4% 2,174 [+] 2.7% 81,321 4 13.50%
2020 S2 67% Steve Daines* (R) 49,276 58.6% Steve Bullock (D) 34,833 41.4% 0 0.0% 84,109 4 13.89%
2020 G 66% Greg Gianforte (R) 48,586 58.0% Mike Cooney (D) 31,152 37.2% 4,051 [+] 4.8% 83,789 4 13.88%
2018 S1 56% Matt Rosendale (R) 34,682 50.1% Jon Tester* (D) 32,225 46.5% 2,351 [+] 3.4% 69,258 3 13.73%
2016 G 59% Greg Gianforte (R) 34,467 48.6% Steve Bullock* (D) 33,974 47.9% 2,531 [+] 3.6% 70,972 2 13.93%
2014 S2 44% Steve Daines (R) 31,933 61.1% Amanda Curtis (D) 19,279 36.9% 1,079 [+] 2.1% 52,291 3 14.14%
2012 S1 60% Jon Tester* (D) 32,565 47.1% Dennis Rehberg (R) 32,077 46.4% 4,432 [+] 6.4% 69,074 2 14.21%
2012 G 60% Rick Hill (R) 33,606 48.8% Steve Bullock (D) 32,802 47.7% 2,428 [+] 3.5% 68,836 1 14.24%
2008 S2 62% Max Baucus* (D) 50,126 74.3% Bob Kelleher (R) 17,308 25.7% 0 0.0% 67,434 -1 14.07%
2008 G 64% Brian Schweitzer* (D) 44,107 62.8% Roy Brown (R) 24,883 35.4% 1,210 [+] 1.7% 70,200 3 14.37%
2006 S1 56% Conrad Burns* (R) 29,361 49.8% Jon Tester (D) 28,225 47.8% 1,408 [+] 2.4% 58,994 1 14.51%
2004 G 64% Brian Schweitzer (D) 33,906 51.6% Bob Brown (R) 29,699 45.2% 2,126 [+] 3.2% 65,731 -1 14.73%
2002 S2 46% Max Baucus* (D) 29,750 64.5% Mike Taylor (R) 13,796 29.9% 2,561 [+] 5.6% 46,107 -2 14.12%
2000 S1 60% Conrad Burns* (R) 29,434 51.3% Brian Schweitzer (D) 26,790 46.7% 1,163 [+] 2.0% 57,387 1 13.94%
2000 G 60% Judy Martz (R) 29,787 52.0% Mark O'Keefe (D) 26,572 46.4% 956 [+] 1.7% 57,315 1 13.97%
1996 S2 62% Max Baucus* (D) 28,757 51.4% Dennis Rehberg (R) 24,358 43.5% 2,833 [+] 5.1% 55,948 -1 13.73%
1996 G 61% Marc Racicot* (R) 45,005 81.9% Judy Jacobson (D) 9,953 18.1% 0 0.0% 54,958 3 13.56%
1994 S1 53% Conrad Burns* (R) 29,786 63.6% Jack Mudd (D) 17,031 36.4% 2 [+] 0.0% 46,819 1 13.36%
1992 G 66% Marc Racicot (R) 30,025 53.1% Dorothy Bradley (D) 26,513 46.9% 1 [+] 0.0% 56,539 2 13.86%
1990 S2 52% Max Baucus* (D) 31,331 72.7% Allen Kolstad (R) 10,874 25.2% 893 [+] 2.1% 43,098 -4 13.50%
1988 S1 62% Conrad Burns (R) 26,163 51.6% John Melcher* (D) 24,495 48.4% 0 0.0% 50,658 0 13.87%
1988 G 62% Stan Stephens (R) 28,294 55.9% Thomas Judge (D) 21,513 42.5% 764 [+] 1.5% 50,571 4 13.78%
1984 S2 67% Max Baucus* (D) 28,465 54.3% Chuck Cozzens (R) 22,623 43.1% 1,341 [+] 2.6% 52,429 2 13.83%
1984 G 66% Ted Schwinden* (D) 36,609 70.2% Pat Goodover (R) 13,904 26.7% 1,657 [+] 3.2% 52,170 0 13.77%
1982 S1 52% John Melcher* (D) 21,886 54.1% Larry Williams (R) 17,476 43.2% 1,124 [+] 2.8% 40,486 1 12.61%
1980 G 62% Ted Schwinden (D) 24,479 51.6% Jack Ramirez (R) 22,981 48.4% 0 0.0% 47,460 4 13.17%
1978 S2 52% Max Baucus (D) 18,588 51.9% Larry Williams (R) 17,206 48.1% 0 0.0% 35,794 4 12.43%
1976 S1 66% John Melcher (D) 28,729 66.8% Stanley Burger (R) 14,262 33.2% 0 0.0% 42,991 -3 13.37%
1976 G 64% Thomas Judge* (D) 26,702 63.6% Robert Woodahl (R) 15,106 36.0% 191 [+] 0.5% 41,999 -1 13.26%
1972 S2 66% Henry Hibbard (R) 19,720 50.1% Lee Metcalf* (D) 19,649 49.9% 0 0.0% 39,369 2 12.50%
1972 G 67% Thomas Judge (D) 22,490 56.2% Ed Smith (R) 17,543 43.8% 0 0.0% 40,033 -2 12.56%
1970 S1 54% Mike Mansfield* (D) 16,427 56.8% Harold Wallace (R) 12,517 43.2% 0 0.0% 28,944 4 11.68%
1968 G 68% Tim Babcock* (R) 17,463 51.6% Forrest Anderson (D) 15,745 46.5% 665 [+] 2.0% 33,873 10 12.18%
1966 S2 61% Tim Babcock (R) 16,332 54.4% Lee Metcalf* (D) 13,701 45.6% 0 0.0% 30,033 8 11.56%
1964 S1 68% Mike Mansfield* (D) 19,834 60.5% Alex Blewett (R) 12,945 39.5% 0 0.0% 32,779 4 11.71%
1964 G 70% Tim Babcock* (R) 19,681 59.1% Roland Renne (D) 13,635 40.9% 0 0.0% 33,316 8 11.86%
1960 S2 68% Orvin Fjare (R) 18,116 58.1% Lee Metcalf (D) 13,062 41.9% 0 0.0% 31,178 9 11.27%
1960 G 69% Donald Nutter (R) 20,284 63.8% Paul Cannon (D) 11,516 36.2% 0 0.0% 31,800 9 11.36%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote


Historical U.S. House Election Results for Yellowstone County, MT

Click on the District to view county-level data for that election (where available).

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 MT02Troy Downing (R) 52,114 65.2% John Driscoll (D) 27,859 34.8% 0 0.0% 79,973
County Total for 2024-11-05:   79,973
2022-11-08 MT02Matt Rosendale* (R) 32,351 53.2% Gary Buchanan (I) 14,589 24.0% 13,839 22.8% 60,779
County Total for 2022-11-08:   60,779
2020-11-03 MT00Matt Rosendale (R) 50,145 59.9% Kathleen Williams (D) 33,563 40.1% 0 0.0% 83,708
County Total for 2020-11-03:   83,708
2018-11-06 MT00Greg Gianforte* (R) 37,399 53.9% Kathleen Williams (D) 29,612 42.7% 2,361 3.4% 69,372
County Total for 2018-11-06:   69,372
2017-05-25 sp MT00Greg Gianforte (R) 29,980 55.8% Rob Quist (D) 20,120 37.4% 3,634 6.8% 53,734
County Total for 2017-05-25:   53,734
2016-11-08 MT00Ryan Zinke* (R) 42,677 60.3% Denise Juneau (D) 25,926 36.6% 2,219 3.1% 70,822
County Total for 2016-11-08:   70,822
2014-11-04 MT00Ryan Zinke (R) 30,567 58.7% John Lewis (D) 19,365 37.2% 2,125 4.1% 52,057
County Total for 2014-11-04:   52,057
2012-11-06 MT00Steve Daines (R) 37,720 54.9% Kim Gillan (D) 28,683 41.8% 2,272 3.3% 68,675
County Total for 2012-11-06:   68,675
2010-11-02 MT00Dennis Rehberg* (R) 29,768 57.8% Dennis McDonald (D) 18,192 35.3% 3,520 6.8% 51,480
County Total for 2010-11-02:   51,480
2008-11-04 MT00Dennis Rehberg* (R) 46,514 67.0% John Driscoll (D) 20,456 29.5% 2,472 3.6% 69,442
County Total for 2008-11-04:   69,442
2006-11-07 MT00Dennis Rehberg* (R) 34,684 58.3% Monica Lindeen (D) 23,701 39.8% 1,115 1.9% 59,500
County Total for 2006-11-07:   59,500
2004-11-02 MT00Dennis Rehberg* (R) 43,451 66.4% Tracy Velazquez (D) 20,152 30.8% 1,881 2.9% 65,484
County Total for 2004-11-02:   65,484
2002-11-05 MT00Dennis Rehberg* (R) 31,627 67.0% Steve Kelly (D) 14,432 30.6% 1,170 2.5% 47,229
County Total for 2002-11-05:   47,229
2000-11-07 MT00Dennis Rehberg (R) 30,183 52.8% Nancy Keenan (D) 25,799 45.1% 1,214 2.1% 57,196
County Total for 2000-11-07:   57,196
1998-11-03 MT00Rick Hill* (R) 22,881 52.3% Dusty Deschamps (D) 19,787 45.2% 1,083 2.5% 43,751
County Total for 1998-11-03:   43,751
1996-11-05 MT00Rick Hill (R) 30,642 55.5% Bill Yellowtail (D) 21,860 39.6% 2,675 4.8% 55,177
County Total for 1996-11-05:   55,177
1994-11-08 MT00Cy Jamison (R) 21,700 46.0% Pat Williams* (D) 20,564 43.6% 4,876 10.3% 47,140
County Total for 1994-11-08:   47,140
1992-11-03 MT00Pat Williams* (D) 27,803 49.2% Ron Marlenee* (R) 27,432 48.6% 1,248 2.2% 56,483
County Total for 1992-11-03:   56,483
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Yellowstone County, MT

Party registration is not used in this state, however as of 2022 registrations in Yellowstone County, MT were estimated to be 50% Republican and 24% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 109,593 0 0.0% 0 0.0% 109,593 100.0% n/a n/a 91%
2022 105,797 0 0.0% 0 0.0% 105,797 100.0% n/a n/a 81%
2020 104,277 0 0.0% 0 0.0% 104,277 100.0% n/a n/a 80%
2018 98,185 0 0.0% 0 0.0% 98,185 100.0% n/a n/a 77%
2016 96,465 0 0.0% 0 0.0% 96,465 100.0% n/a n/a 78%
2014 95,971 0 0.0% 0 0.0% 95,971 100.0% n/a n/a 80%
2012 95,576 0 0.0% 0 0.0% 95,576 100.0% n/a n/a 82%
2010 93,691 0 0.0% 0 0.0% 93,691 100.0% n/a n/a 83%
2008 98,833 0 0.0% 0 0.0% 98,833 100.0% n/a n/a 90%
2006 93,045 0 0.0% 0 0.0% 93,045 100.0% n/a n/a 88%
2004 91,652 0 0.0% 0 0.0% 91,652 100.0% n/a n/a 89%
2002 88,334 0 0.0% 0 0.0% 88,334 100.0% n/a n/a 89%
2000 95,797 0 0.0% 0 0.0% 95,797 100.0% n/a n/a 100%
1994 70,018 0 0.0% 0 0.0% 70,018 100.0% n/a n/a 80%
1986 60,954 0 0.0% 0 0.0% 60,954 100.0% n/a n/a 76%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.