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Lewis and Clark County, MT


Micropolitan Statistical Area: Helena, MT
Designated Market Area: Helena, MT
USDA County Type (2015): Government, Recreation/Tourism
American Communities Project County Type (2023): Exurbs

Places in Lewis and Clark County, MT     [Sort places by name]

 

Tracts in Lewis and Clark County, MT

   



Click here to view demographic data for Lewis and Clark County, MT

2022 population: 73,832   ( 10,437 from 2010 , 2,865 from 2020)
Land area: 3458.4 square miles
Population density: 21.3 persons per square mile

2022 Census data
White:66,831 90.52% 14.0%
Black:3380.46% 66.5%
Indian:1,3181.79% 4.7%
Asian:6880.93% 75.1%
2+ races:1,7432.36% 32.0%
Hispanic:2,9143.95% 84.2%
Total non-White:7,0019.48% 46.0%

2020-2022 ComponentsNumberRate
Births:1,614 11.4
Deaths:1,63811.5
Net Migration: 2,77419.5
Net Immigration: 1130.8
Change in White population:8,232 13.0
Change in Non-White pop.:2,205 3.5



Historical Presidential Election Results for Lewis and Clark County, MT

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +4,514 D +751 D + 3.7%
D +5,265
2020 vs. 2012 R +4,606 R +483 R + 0.4%
D +4,123
2020 vs. 2008 R +6,443 R +3,814 R + 10.7%
D +2,629
2016 vs. 2008 R +1,929 R +4,565 R + 14.4%
D -2,636
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
2020 74% Donald Trump* (R) 21,409 50.6% Joe Biden (D) 19,743 46.7% 1,121 [+] 2.7% 42,273 -6 4 7.00%
2016 66% Donald Trump (R) 16,895 47.9% Hillary Clinton (D) 14,478 41.0% 3,923 [+] 11.1% 35,296 -8 2 7.03%
2012 66% Mitt Romney (R) 16,803 50.4% Barack Obama* (D) 15,620 46.9% 895 [+] 2.7% 33,318 -5 3 6.88%
2008 70% Barack Obama (D) 17,114 51.8% John McCain (R) 14,966 45.3% 949 [+] 2.9% 33,029 -4 0 6.70%
2004 67% George W. Bush* (R) 16,494 55.3% John Kerry (D) 12,717 42.6% 632 [+] 2.1% 29,843 -4 5 6.63%
2000 66% George W. Bush (R) 15,091 55.3% Albert Gore, Jr. (D) 9,982 36.6% 2,196 [+] 8.1% 27,269 -3 7 6.66%
1996 69% Robert Dole (R) 11,665 43.9% Bill Clinton* (D) 11,535 43.5% 3,347 [+] 12.6% 26,547 0 3 6.52%
1992 74% Bill Clinton (D) 11,117 42.5% George Bush* (R) 9,351 35.7% 5,713 [+] 21.8% 26,181 1 -2 6.38%
1988 70% Michael Dukakis (D) 11,932 51.1% George Bush (R) 10,946 46.9% 456 [+] 2.0% 23,334 -5 -6 6.38%
1984 71% Ronald Reagan* (R) 13,569 60.0% Walter Mondale (D) 8,768 38.8% 289 1.3% 22,626 -1 1 5.89%
1980 69% Ronald Reagan (R) 12,128 57.2% Jimmy Carter* (D) 6,815 32.1% 2,269 [+] 10.7% 21,212 0 6 5.83%
1976 71% Gerald Ford* (R) 10,155 54.8% Jimmy Carter (D) 8,118 43.8% 244 [+] 1.3% 18,517 2 7 5.63%
1972 75% Richard Nixon* (R) 10,719 61.9% George McGovern (D) 6,081 35.1% 516 [+] 3.0% 17,316 4 1 5.45%
1968 75% Richard Nixon (R) 7,979 56.5% Hubert Humphrey (D) 5,379 38.1% 757 [+] 5.4% 14,115 6 13 5.14%
1964 78% Lyndon Johnson* (D) 7,506 54.8% Barry Goldwater (R) 6,155 45.0% 26 0.2% 13,687 4 6 4.91%
1960 81% Richard Nixon (R) 7,260 54.6% John Kennedy (D) 6,008 45.2% 17 0.1% 13,285 4 5 4.79%
1956 74% Dwight Eisenhower* (R) 7,959 64.4% Adlai Stevenson (D) 4,397 35.6% 0 0.0% 12,356 7 7 4.56%
1952 77% Dwight Eisenhower (R) 7,663 62.6% Adlai Stevenson (D) 4,563 37.3% 20 0.2% 12,246 3 7 4.62%
1948 67% Thomas Dewey (R) 5,174 50.8% Harry Truman* (D) 4,745 46.6% 257 [+] 2.5% 10,176 8 6 4.54%
1944 63% Franklin Roosevelt* (D) 4,737 51.2% Thomas Dewey (R) 4,482 48.4% 39 0.4% 9,258 3 3 4.46%
1940 76% Franklin Roosevelt* (D) 5,814 54.4% Wendell Willkie (R) 4,762 44.6% 107 1.0% 10,683 4 0 4.31%
1936 71% Franklin Roosevelt* (D) 5,614 64.3% Alf Landon (R) 2,951 33.8% 160 [+] 1.8% 8,725 6 -3 3.79%
1932 76% Franklin Roosevelt (D) 4,714 54.8% Herbert Hoover* (R) 3,671 42.7% 211 [+] 2.5% 8,596 7 3 3.97%
1928 72% Herbert Hoover (R) 4,441 57.3% Al Smith (D) 3,278 42.3% 25 [+] 0.3% 7,744 -1 -1 3.99%
1924 64% Calvin Coolidge (R) 3,433 49.9% John Davis (D) 1,869 27.2% 1,573 [+] 22.9% 6,875 7 -4 3.94%
1920 64% Warren Harding (R) 4,348 62.9% James Cox (D) 2,413 34.9% 152 [+] 2.2% 6,913 2 3 3.86%
1916 59% Woodrow Wilson* (D) 4,337 54.5% Charles Evans Hughes (R) 3,423 43.0% 202 [+] 2.5% 7,962 5 -3 4.48%
1912 30% Woodrow Wilson (D) 1,505 34.7% Theodore Roosevelt (Prog) 1,375 31.7% 1,455 [+] 33.6% 4,335 1 1 5.43%
1908 31% William J. Bryan (D) 2,062 46.5% William Taft (R) 2,033 45.9% 335 [+] 7.6% 4,430 -1 -6 6.44%
1904 33% Theodore Roosevelt (R) 2,505 54.6% Alton Parker (D) 1,543 33.6% 540 [+] 11.8% 4,588 0 -2 7.12%
1900 37% William J. Bryan (D) 2,763 56.8% William McKinley* (R) 2,043 42.0% 56 [+] 1.2% 4,862 2 -10 7.64%
* incumbent         PSV: percent of state vote



2020 President, Lewis and Clark County, MT
CandidateVotesPct
Joe Biden (D) 19,743 46.7%
Donald Trump* (R) 21,409 50.6%
Jo Jorgensen (Lbt) 1,113 2.6%
Other 8 0.0%
TOTAL 42,273
Turnout: 74% Diff (St): -6 Diff (US): 4


2016 President, Lewis and Clark County, MT
CandidateVotesPct
Hillary Clinton (D) 14,478 41.0%
Donald Trump (R) 16,895 47.9%
Gary Johnson (Lbt) 2,210 6.3%
Jill Stein (Grn) 559 1.6%
Other 1,154 3.3%
TOTAL 35,296
Turnout: 66% Diff (St): -8 Diff (US): 2


2012 President, Lewis and Clark County, MT
CandidateVotesPct
Barack Obama* (D) 15,620 46.9%
Mitt Romney (R) 16,803 50.4%
Gary Johnson (Lbt) 895 2.7%
TOTAL 33,318
Turnout: 66% Diff (St): -5 Diff (US): 3


2008 President, Lewis and Clark County, MT
CandidateVotesPct
Barack Obama (D) 17,114 51.8%
John McCain (R) 14,966 45.3%
Ralph Nader (I) 218 0.7%
Bob Barr (Lbt) 102 0.3%
Other 629 1.9%
TOTAL 33,029
Turnout: 70% Diff (St): -4 Diff (US): 0


2004 President, Lewis and Clark County, MT
CandidateVotesPct
George W. Bush* (R) 16,494 55.3%
John Kerry (D) 12,717 42.6%
Ralph Nader (I) 388 1.3%
Other 244 0.8%
TOTAL 29,843
Turnout: 67% Diff (St): -4 Diff (US): 5


2000 President, Lewis and Clark County, MT
CandidateVotesPct
George W. Bush (R) 15,091 55.3%
Albert Gore, Jr. (D) 9,982 36.6%
Ralph Nader (Grn) 1,645 6.0%
Pat Buchanan (Ref) 367 1.3%
Other 184 0.7%
TOTAL 27,269
Turnout: 66% Diff (St): -3 Diff (US): 7


1996 President, Lewis and Clark County, MT
CandidateVotesPct
Bill Clinton* (D) 11,535 43.5%
Robert Dole (R) 11,665 43.9%
Ross Perot (Ref) 3,140 11.8%
Harry Browne (Lbt) 112 0.4%
Other 95 0.4%
TOTAL 26,547
Turnout: 69% Diff (St): 0 Diff (US): 3


1992 President, Lewis and Clark County, MT
CandidateVotesPct
Bill Clinton (D) 11,117 42.5%
George Bush* (R) 9,351 35.7%
Ross Perot (I) 5,560 21.2%
Other 153 0.6%
TOTAL 26,181
Turnout: 74% Diff (St): 1 Diff (US): -2


1988 President, Lewis and Clark County, MT
CandidateVotesPct
George Bush (R) 10,946 46.9%
Michael Dukakis (D) 11,932 51.1%
Ron Paul (Lbt) 357 1.5%
Other 99 0.4%
TOTAL 23,334
Turnout: 70% Diff (St): -5 Diff (US): -6


1984 President, Lewis and Clark County, MT
CandidateVotesPct
Ronald Reagan* (R) 13,569 60.0%
Walter Mondale (D) 8,768 38.8%
Other 289 1.3%
TOTAL 22,626
Turnout: 71% Diff (St): -1 Diff (US): 1


1980 President, Lewis and Clark County, MT
CandidateVotesPct
Ronald Reagan (R) 12,128 57.2%
Jimmy Carter* (D) 6,815 32.1%
John Anderson (I) 1,793 8.5%
Edward Clark (Lbt) 476 2.2%
TOTAL 21,212
Turnout: 69% Diff (St): 0 Diff (US): 6


1976 President, Lewis and Clark County, MT
CandidateVotesPct
Jimmy Carter (D) 8,118 43.8%
Gerald Ford* (R) 10,155 54.8%
Other 244 1.3%
TOTAL 18,517
Turnout: 71% Diff (St): 2 Diff (US): 7


1972 President, Lewis and Clark County, MT
CandidateVotesPct
Richard Nixon* (R) 10,719 61.9%
George McGovern (D) 6,081 35.1%
John Schmitz (Amer) 516 3.0%
TOTAL 17,316
Turnout: 75% Diff (St): 4 Diff (US): 1


1968 President, Lewis and Clark County, MT
CandidateVotesPct
Richard Nixon (R) 7,979 56.5%
Hubert Humphrey (D) 5,379 38.1%
George Wallace (AIP) 723 5.1%
Other 34 0.2%
TOTAL 14,115
Turnout: 75% Diff (St): 6 Diff (US): 13


1964 President, Lewis and Clark County, MT
CandidateVotesPct
Lyndon Johnson* (D) 7,506 54.8%
Barry Goldwater (R) 6,155 45.0%
Other 26 0.2%
TOTAL 13,687
Turnout: 78% Diff (St): 4 Diff (US): 6


1960 President, Lewis and Clark County, MT
CandidateVotesPct
John Kennedy (D) 6,008 45.2%
Richard Nixon (R) 7,260 54.6%
Other 17 0.1%
TOTAL 13,285
Turnout: 81% Diff (St): 4 Diff (US): 5


1956 President, Lewis and Clark County, MT
CandidateVotesPct
Dwight Eisenhower* (R) 7,959 64.4%
Adlai Stevenson (D) 4,397 35.6%
TOTAL 12,356
Turnout: 74% Diff (St): 7 Diff (US): 7


1952 President, Lewis and Clark County, MT
CandidateVotesPct
Dwight Eisenhower (R) 7,663 62.6%
Adlai Stevenson (D) 4,563 37.3%
Other 20 0.2%
TOTAL 12,246
Turnout: 77% Diff (St): 3 Diff (US): 7


1948 President, Lewis and Clark County, MT
CandidateVotesPct
Harry Truman* (D) 4,745 46.6%
Thomas Dewey (R) 5,174 50.8%
Henry Wallace (Prog) 230 2.3%
Other 27 0.3%
TOTAL 10,176
Turnout: 67% Diff (St): 8 Diff (US): 6


1944 President, Lewis and Clark County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 4,737 51.2%
Thomas Dewey (R) 4,482 48.4%
Other 39 0.4%
TOTAL 9,258
Turnout: 63% Diff (St): 3 Diff (US): 3


1940 President, Lewis and Clark County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 5,814 54.4%
Wendell Willkie (R) 4,762 44.6%
Other 107 1.0%
TOTAL 10,683
Turnout: 76% Diff (St): 4 Diff (US): 0


1936 President, Lewis and Clark County, MT
CandidateVotesPct
Franklin Roosevelt* (D) 5,614 64.3%
Alf Landon (R) 2,951 33.8%
William Lemke (Union) 108 1.2%
Norman Thomas (Soc) 31 0.4%
Other 21 0.2%
TOTAL 8,725
Turnout: 71% Diff (St): 6 Diff (US): -3


1932 President, Lewis and Clark County, MT
CandidateVotesPct
Franklin Roosevelt (D) 4,714 54.8%
Herbert Hoover* (R) 3,671 42.7%
Norman Thomas (Soc) 186 2.2%
Other 25 0.3%
TOTAL 8,596
Turnout: 76% Diff (St): 7 Diff (US): 3


1928 President, Lewis and Clark County, MT
CandidateVotesPct
Herbert Hoover (R) 4,441 57.3%
Al Smith (D) 3,278 42.3%
Norman Thomas (Soc) 20 0.3%
Other 5 0.1%
TOTAL 7,744
Turnout: 72% Diff (St): -1 Diff (US): -1


1924 President, Lewis and Clark County, MT
CandidateVotesPct
Calvin Coolidge (R) 3,433 49.9%
John Davis (D) 1,869 27.2%
Robert LaFollette (Prog) 1,570 22.8%
Other 3 0.0%
TOTAL 6,875
Turnout: 64% Diff (St): 7 Diff (US): -4


1920 President, Lewis and Clark County, MT
CandidateVotesPct
Warren Harding (R) 4,348 62.9%
James Cox (D) 2,413 34.9%
Parley Christiansen (FL) 152 2.2%
TOTAL 6,913
Turnout: 64% Diff (St): 2 Diff (US): 3


1916 President, Lewis and Clark County, MT
CandidateVotesPct
Woodrow Wilson* (D) 4,337 54.5%
Charles Evans Hughes (R) 3,423 43.0%
Allan Benson (Soc) 200 2.5%
Other 2 0.0%
TOTAL 7,962
Turnout: 59% Diff (St): 5 Diff (US): -3


1912 President, Lewis and Clark County, MT
CandidateVotesPct
Woodrow Wilson (D) 1,505 34.7%
Theodore Roosevelt (Prog) 1,375 31.7%
William Taft* (R) 1,062 24.5%
Eugene Debs (Soc) 391 9.0%
Eugene Chafin (Proh) 2 0.0%
TOTAL 4,335
Turnout: 30% Diff (St): 1 Diff (US): 1


1908 President, Lewis and Clark County, MT
CandidateVotesPct
William Taft (R) 2,033 45.9%
William J. Bryan (D) 2,062 46.5%
Eugene Debs (Soc) 303 6.8%
Eugene Chafin (Proh) 18 0.4%
Thomas Hisgen (I) 14 0.3%
TOTAL 4,430
Turnout: 31% Diff (St): -1 Diff (US): -6


1904 President, Lewis and Clark County, MT
CandidateVotesPct
Theodore Roosevelt (R) 2,505 54.6%
Alton Parker (D) 1,543 33.6%
Eugene Debs (Soc) 472 10.3%
Silas Swallow (Proh) 27 0.6%
Thomas Watson (Pop) 20 0.4%
Other 21 0.5%
TOTAL 4,588
Turnout: 33% Diff (St): 0 Diff (US): -2


1900 President, Lewis and Clark County, MT
CandidateVotesPct
William McKinley* (R) 2,043 42.0%
William J. Bryan (D) 2,763 56.8%
John Woolley (Proh) 11 0.2%
Eugene Debs (Soc) 42 0.9%
Other 3 0.1%
TOTAL 4,862
Turnout: 37% Diff (St): 2 Diff (US): -10
* incumbent

Historical Statewide Election Results for Lewis and Clark County, MT

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2020 S2 74% Steve Bullock (D) 21,955 51.6% Steve Daines* (R) 20,554 48.4% 0 0.0% 42,509 -7 7.02%
2020 G 74% Mike Cooney (D) 21,022 49.5% Greg Gianforte (R) 19,969 47.1% 1,449 [+] 3.4% 42,440 -7 7.03%
2018 S1 65% Jon Tester* (D) 20,506 57.7% Matt Rosendale (R) 14,106 39.7% 927 [+] 2.6% 35,539 -7 7.05%
2016 G 67% Steve Bullock* (D) 21,363 60.1% Greg Gianforte (R) 13,296 37.4% 914 [+] 2.6% 35,573 -9 6.98%
2014 S2 50% Steve Daines (R) 13,455 51.6% Amanda Curtis (D) 12,102 46.4% 530 [+] 2.0% 26,087 -6 7.05%
2012 S1 66% Jon Tester* (D) 18,189 54.3% Dennis Rehberg (R) 13,446 40.2% 1,839 [+] 5.5% 33,474 -5 6.89%
2012 G 66% Steve Bullock (D) 19,775 59.0% Rick Hill (R) 12,826 38.3% 900 [+] 2.7% 33,501 -9 6.93%
2008 S2 68% Max Baucus* (D) 24,702 76.9% Bob Kelleher (R) 7,419 23.1% 0 0.0% 32,121 -4 6.70%
2008 G 69% Brian Schweitzer* (D) 22,544 69.0% Roy Brown (R) 9,509 29.1% 617 [+] 1.9% 32,670 -3 6.69%
2006 S1 59% Jon Tester (D) 14,950 54.7% Conrad Burns* (R) 11,763 43.1% 608 [+] 2.2% 27,321 -5 6.72%
2004 G 67% Brian Schweitzer (D) 15,891 53.0% Bob Brown (R) 13,343 44.5% 725 [+] 2.4% 29,959 -1 6.72%
2002 S2 52% Max Baucus* (D) 15,543 69.0% Mike Taylor (R) 5,764 25.6% 1,216 [+] 5.4% 22,523 -6 6.90%
2000 S1 66% Brian Schweitzer (D) 14,564 53.1% Conrad Burns* (R) 12,373 45.1% 506 [+] 1.8% 27,443 -5 6.67%
2000 G 66% Mark O'Keefe (D) 13,704 50.2% Judy Martz (R) 13,185 48.3% 424 [+] 1.6% 27,313 -3 6.66%
1996 S2 69% Max Baucus* (D) 14,765 55.3% Dennis Rehberg (R) 10,368 38.8% 1,564 [+] 5.9% 26,697 -6 6.55%
1996 G 70% Marc Racicot* (R) 21,668 80.8% Judy Jacobson (D) 5,135 19.2% 0 0.0% 26,803 2 6.62%
1994 S1 61% Conrad Burns* (R) 12,413 54.9% Jack Mudd (D) 10,196 45.1% 0 0.0% 22,609 -7 6.45%
1992 G 73% Marc Racicot (R) 13,115 50.2% Dorothy Bradley (D) 12,988 49.8% 0 0.0% 26,103 -1 6.40%
1990 S2 59% Max Baucus* (D) 14,605 72.6% Allen Kolstad (R) 4,999 24.8% 520 [+] 2.6% 20,124 -5 6.30%
1988 S1 70% Conrad Burns (R) 11,987 51.3% John Melcher* (D) 11,375 48.7% 0 0.0% 23,362 -1 6.40%
1988 G 70% Thomas Judge (D) 11,869 50.5% Stan Stephens (R) 11,174 47.5% 470 [+] 2.0% 23,513 -4 6.41%
1984 S2 71% Max Baucus* (D) 13,459 59.1% Chuck Cozzens (R) 8,797 38.6% 533 [+] 2.3% 22,789 -2 6.01%
1984 G 72% Ted Schwinden* (D) 16,253 71.0% Pat Goodover (R) 5,750 25.1% 881 [+] 3.8% 22,884 -1 6.04%
1982 S1 59% John Melcher* (D) 9,805 53.0% Larry Williams (R) 7,970 43.1% 717 [+] 3.9% 18,492 1 5.76%
1980 G 68% Ted Schwinden (D) 13,334 64.1% Jack Ramirez (R) 7,478 35.9% 0 0.0% 20,812 -9 5.77%
1978 S2 61% Max Baucus (D) 9,913 59.5% Larry Williams (R) 6,743 40.5% 0 0.0% 16,656 -4 5.78%
1976 S1 65% John Melcher (D) 10,288 61.5% Stanley Burger (R) 6,435 38.5% 0 0.0% 16,723 3 5.20%
1976 G 69% Thomas Judge* (D) 11,381 63.8% Robert Woodahl (R) 5,871 32.9% 593 [+] 3.3% 17,845 -4 5.63%
1972 S2 71% Henry Hibbard (R) 8,298 50.0% Lee Metcalf* (D) 8,294 50.0% 0 0.0% 16,592 2 5.27%
1972 G 73% Ed Smith (R) 8,990 52.7% Thomas Judge (D) 8,061 47.3% 0 0.0% 17,051 7 5.35%
1970 S1 62% Mike Mansfield* (D) 8,297 64.8% Harold Wallace (R) 4,500 35.2% 0 0.0% 12,797 -4 5.16%
1968 G 76% Tim Babcock* (R) 7,491 52.1% Forrest Anderson (D) 6,368 44.3% 530 [+] 3.7% 14,389 10 5.17%
1966 S2 72% Tim Babcock (R) 6,750 51.3% Lee Metcalf* (D) 6,409 48.7% 0 0.0% 13,159 4 5.06%
1964 S1 77% Mike Mansfield* (D) 8,566 62.8% Alex Blewett (R) 5,080 37.2% 0 0.0% 13,646 2 4.87%
1964 G 78% Tim Babcock* (R) 7,545 54.9% Roland Renne (D) 6,206 45.1% 0 0.0% 13,751 4 4.89%
1960 S2 81% Orvin Fjare (R) 6,844 51.9% Lee Metcalf (D) 6,341 48.1% 0 0.0% 13,185 3 4.77%
1960 G 81% Donald Nutter (R) 8,326 62.6% Paul Cannon (D) 4,968 37.4% 0 0.0% 13,294 8 4.75%
*: 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 Lewis and Clark County, MT

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 MT02Matt Rosendale* (R) 14,237 42.7% Gary Buchanan (I) 11,201 33.6% 7,885 23.7% 33,323
County Total for 2022-11-08:   33,323
2020-11-03 MT00Kathleen Williams (D) 21,050 50.0% Matt Rosendale (R) 21,045 50.0% 0 0.0% 42,095
County Total for 2020-11-03:   42,095
2018-11-06 MT00Kathleen Williams (D) 18,798 52.9% Greg Gianforte* (R) 15,686 44.1% 1,046 2.9% 35,530
County Total for 2018-11-06:   35,530
2017-05-25 sp MT00Rob Quist (D) 14,487 52.1% Greg Gianforte (R) 11,880 42.7% 1,423 5.1% 27,790
County Total for 2017-05-25:   27,790
2016-11-08 MT00Ryan Zinke* (R) 18,653 52.7% Denise Juneau (D) 15,765 44.5% 988 2.8% 35,406
County Total for 2016-11-08:   35,406
2014-11-04 MT00Ryan Zinke (R) 12,835 49.1% John Lewis (D) 12,510 47.8% 821 3.1% 26,166
County Total for 2014-11-04:   26,166
2012-11-06 MT00Steve Daines (R) 16,494 49.8% Kim Gillan (D) 15,422 46.6% 1,172 3.5% 33,088
County Total for 2012-11-06:   33,088
2010-11-02 MT00Dennis Rehberg* (R) 14,221 56.5% Dennis McDonald (D) 9,684 38.5% 1,246 5.0% 25,151
County Total for 2010-11-02:   25,151
2008-11-04 MT00Dennis Rehberg* (R) 19,525 60.8% John Driscoll (D) 11,712 36.5% 877 2.7% 32,114
County Total for 2008-11-04:   32,114
2006-11-07 MT00Dennis Rehberg* (R) 14,921 54.8% Monica Lindeen (D) 11,889 43.7% 425 1.6% 27,235
County Total for 2006-11-07:   27,235
2004-11-02 MT00Dennis Rehberg* (R) 18,640 62.5% Tracy Velazquez (D) 10,535 35.3% 653 2.2% 29,828
County Total for 2004-11-02:   29,828
2002-11-05 MT00Dennis Rehberg* (R) 13,986 60.9% Steve Kelly (D) 8,440 36.7% 547 2.4% 22,973
County Total for 2002-11-05:   22,973
2000-11-07 MT00Nancy Keenan (D) 13,826 50.5% Dennis Rehberg (R) 13,035 47.6% 539 2.0% 27,400
County Total for 2000-11-07:   27,400
1998-11-03 MT00Dusty Deschamps (D) 11,072 50.2% Rick Hill* (R) 10,412 47.2% 562 2.5% 22,046
County Total for 1998-11-03:   22,046
1996-11-05 MT00Rick Hill (R) 12,685 48.0% Bill Yellowtail (D) 12,683 48.0% 1,038 3.9% 26,406
County Total for 1996-11-05:   26,406
1994-11-08 MT00Pat Williams* (D) 12,689 55.4% Cy Jamison (R) 8,478 37.0% 1,736 7.6% 22,903
County Total for 1994-11-08:   22,903
1992-11-03 MT00Pat Williams* (D) 15,904 61.0% Ron Marlenee* (R) 9,473 36.3% 692 2.7% 26,069
County Total for 1992-11-03:   26,069
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Lewis and Clark County, MT

Party registration is not used in this state, however as of 2022 registrations in Lewis and Clark County, MT were estimated to be 39% Republican and 28% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 50,260 0 0.0% 0 0.0% 50,260 100.0% n/a n/a 88%
2022 51,951 0 0.0% 0 0.0% 51,951 100.0% n/a n/a 91%
2020 50,631 0 0.0% 0 0.0% 50,631 100.0% n/a n/a 88%
2018 47,208 0 0.0% 0 0.0% 47,208 100.0% n/a n/a 85%
2016 45,342 0 0.0% 0 0.0% 45,342 100.0% n/a n/a 84%
2014 42,929 0 0.0% 0 0.0% 42,929 100.0% n/a n/a 82%
2012 45,789 0 0.0% 0 0.0% 45,789 100.0% n/a n/a 90%
2010 41,688 0 0.0% 0 0.0% 41,688 100.0% n/a n/a 85%
2008 39,412 0 0.0% 0 0.0% 39,412 100.0% n/a n/a 83%
2006 36,844 0 0.0% 0 0.0% 36,844 100.0% n/a n/a 80%
2004 37,951 0 0.0% 0 0.0% 37,951 100.0% n/a n/a 85%
2002 35,600 0 0.0% 0 0.0% 35,600 100.0% n/a n/a 83%
2000 44,023 0 0.0% 0 0.0% 44,023 100.0% n/a n/a 106%
1994 32,613 0 0.0% 0 0.0% 32,613 100.0% n/a n/a 88%
1986 26,189 0 0.0% 0 0.0% 26,189 100.0% n/a n/a 80%
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.