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Arapahoe County, CO


Metropolitan Statistical Area: Denver-Aurora-Lakewood, CO
Designated Market Area: Denver, CO-NE-WY
American Communities Project County Type (2023): Urban Suburbs

Places in Arapahoe County, CO     [Sort places by name]

 

Tracts in Arapahoe County, CO

   



Click here to view demographic data for Arapahoe County, CO

2022 population: 655,808   ( 83,805 from 2010 , 750 from 2020)
Land area: 797.9 square miles
Population density: 822.0 persons per square mile

2022 Census data
White:375,690 57.29% 3.9%
Black:71,73310.94% 28.9%
Indian:2,7860.42% 16.8%
Asian:45,4066.92% 53.2%
2+ races:22,5613.44% 40.5%
Hispanic:137,63220.99% 30.4%
Total non-White:280,11842.71% 33.2%

2020-2022 ComponentsNumberRate
Births:17,027 13.0
Deaths:11,4638.7
Net Migration: -8,762-6.7
Net Immigration: 3,5512.7
Change in White population:13,943 2.4
Change in Non-White pop.:69,862 12.2



Historical Presidential Election Results for Arapahoe County, CO

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +10,270 D +43,452 D + 9.8%
D +53,722
2020 vs. 2012 R +1,735 D +57,967 D + 15.2%
D +59,702
2020 vs. 2008 R +13,455 D +51,928 D + 12.2%
D +65,383
2016 vs. 2008 R +3,185 D +8,476 D + 2.4%
D +11,661
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 70% Joe Biden (D) 213,607 61.0% Donald Trump* (R) 127,323 36.4% 9,253 [+] 2.6% 350,183 -6 -10 10.75%
2016 64% Hillary Clinton (D) 159,885 52.8% Donald Trump (R) 117,053 38.6% 26,110 [+] 8.6% 303,048 -5 -7 10.90%
2012 65% Barack Obama* (D) 153,905 53.9% Mitt Romney (R) 125,588 44.0% 6,023 [+] 2.1% 285,516 -2 -3 11.10%
2008 65% Barack Obama (D) 148,224 55.7% John McCain (R) 113,868 42.8% 4,064 [+] 1.5% 266,156 -2 -3 11.08%
2004 60% George W. Bush* (R) 119,475 51.4% John Kerry (D) 110,262 47.5% 2,628 [+] 1.1% 232,365 0 1 10.91%
2000 53% George W. Bush (R) 97,768 51.5% Albert Gore, Jr. (D) 82,614 43.5% 9,560 [+] 5.0% 189,942 1 4 10.91%
1996 50% Robert Dole (R) 82,778 50.8% Bill Clinton* (D) 68,306 41.9% 11,912 [+] 7.3% 162,996 5 10 10.79%
1992 61% George Bush* (R) 72,221 39.3% Bill Clinton (D) 66,607 36.2% 45,107 [+] 24.5% 183,935 3 2 11.72%
1988 59% George Bush (R) 95,926 60.2% Michael Dukakis (D) 61,113 38.4% 2,206 [+] 1.4% 159,245 7 7 11.60%
1984 63% Ronald Reagan* (R) 107,556 71.9% Walter Mondale (D) 39,891 26.7% 2,107 1.4% 149,554 8 13 11.55%
1980 62% Ronald Reagan (R) 79,594 62.2% Jimmy Carter* (D) 30,148 23.6% 18,238 [+] 14.3% 127,980 7 11 10.81%
1976 63% Gerald Ford* (R) 63,154 63.5% Jimmy Carter (D) 33,685 33.8% 2,687 [+] 2.7% 99,526 9 15 9.20%
1972 59% Richard Nixon* (R) 52,283 72.2% George McGovern (D) 18,631 25.7% 1,462 [+] 2.0% 72,376 10 12 7.59%
1968 64% Richard Nixon (R) 33,712 59.6% Hubert Humphrey (D) 18,569 32.8% 4,322 [+] 7.6% 56,603 9 16 6.98%
1964 67% Lyndon Johnson* (D) 27,940 54.4% Barry Goldwater (R) 23,071 44.9% 347 0.7% 51,358 7 6 6.61%
1960 68% Richard Nixon (R) 26,379 60.1% John Kennedy (D) 17,400 39.6% 137 0.3% 43,916 5 10 5.96%
1956 58% Dwight Eisenhower* (R) 19,716 63.1% Adlai Stevenson (D) 11,351 36.3% 176 0.6% 31,243 3 6 4.75%
1952 65% Dwight Eisenhower (R) 15,402 60.3% Adlai Stevenson (D) 9,843 38.5% 289 1.1% 25,534 0 5 4.05%
1948 52% Harry Truman* (D) 7,943 52.7% Thomas Dewey (R) 6,962 46.2% 175 [+] 1.2% 15,080 0 1 2.93%
1944 68% Thomas Dewey (R) 9,057 54.5% Franklin Roosevelt* (D) 7,485 45.1% 69 0.4% 16,611 1 9 3.29%
1940 81% Wendell Willkie (R) 7,988 50.9% Franklin Roosevelt* (D) 7,571 48.2% 137 0.9% 15,696 0 6 2.86%
1936 69% Franklin Roosevelt* (D) 6,489 58.1% Alf Landon (R) 4,272 38.2% 410 [+] 3.7% 11,171 1 2 2.29%
1932 76% Franklin Roosevelt (D) 5,796 54.5% Herbert Hoover* (R) 4,287 40.3% 559 [+] 5.3% 10,642 -1 1 2.33%
1928 73% Herbert Hoover (R) 6,086 70.3% Al Smith (D) 2,463 28.4% 110 [+] 1.3% 8,659 6 12 2.21%
1924 67% Calvin Coolidge (R) 4,267 64.2% John Davis (D) 1,209 18.2% 1,167 [+] 17.6% 6,643 7 10 1.94%
1920 62% Warren Harding (R) 2,930 59.8% James Cox (D) 1,752 35.8% 218 [+] 4.4% 4,900 0 -1 1.68%
1916 58% Woodrow Wilson* (D) 2,652 62.3% Charles Evans Hughes (R) 1,443 33.9% 160 [+] 3.8% 4,255 -1 -12 1.45%
1912 58% Woodrow Wilson (D) 1,379 36.3% Theodore Roosevelt (Prog) 1,344 35.4% 1,073 [+] 28.3% 3,796 -2 -3 1.42%
1908 13% William Taft (R) 1,514 50.5% William J. Bryan (D) 1,340 44.7% 144 [+] 4.8% 2,998 4 -1 1.14%
1904 4% Theodore Roosevelt (R) 1,351 62.9% Alton Parker (D) 717 33.4% 79 [+] 3.7% 2,147 8 7 0.88%
1900 66% William J. Bryan (D) 33,754 55.8% William McKinley* (R) 25,469 42.1% 1,260 [+] 2.1% 60,483 0 -9 27.38%
* incumbent         PSV: percent of state vote



2020 President, Arapahoe County, CO
CandidateVotesPct
Joe Biden (D) 213,607 61.0%
Donald Trump* (R) 127,323 36.4%
Jo Jorgensen (Lbt) 5,423 1.5%
Other 3,830 1.1%
TOTAL 350,183
Turnout: 70% Diff (St): -6 Diff (US): -10


2016 President, Arapahoe County, CO
CandidateVotesPct
Hillary Clinton (D) 159,885 52.8%
Donald Trump (R) 117,053 38.6%
Gary Johnson (Lbt) 16,002 5.3%
Jill Stein (Grn) 3,829 1.3%
Evan McMullin (I) 3,398 1.1%
Other 2,881 1.0%
TOTAL 303,048
Turnout: 64% Diff (St): -5 Diff (US): -7


2012 President, Arapahoe County, CO
CandidateVotesPct
Barack Obama* (D) 153,905 53.9%
Mitt Romney (R) 125,588 44.0%
Gary Johnson (Lbt) 3,552 1.2%
Other 2,471 0.9%
TOTAL 285,516
Turnout: 65% Diff (St): -2 Diff (US): -3


2008 President, Arapahoe County, CO
CandidateVotesPct
Barack Obama (D) 148,224 55.7%
John McCain (R) 113,868 42.8%
Ralph Nader (I) 1,365 0.5%
Bob Barr (Lbt) 1,210 0.5%
Other 1,489 0.6%
TOTAL 266,156
Turnout: 65% Diff (St): -2 Diff (US): -3


2004 President, Arapahoe County, CO
CandidateVotesPct
George W. Bush* (R) 119,475 51.4%
John Kerry (D) 110,262 47.5%
Ralph Nader (I) 1,158 0.5%
Other 1,470 0.6%
TOTAL 232,365
Turnout: 60% Diff (St): 0 Diff (US): 1


2000 President, Arapahoe County, CO
CandidateVotesPct
George W. Bush (R) 97,768 51.5%
Albert Gore, Jr. (D) 82,614 43.5%
Ralph Nader (Grn) 6,952 3.7%
Pat Buchanan (Ref) 905 0.5%
Other 1,703 0.9%
TOTAL 189,942
Turnout: 53% Diff (St): 1 Diff (US): 4


1996 President, Arapahoe County, CO
CandidateVotesPct
Bill Clinton* (D) 68,306 41.9%
Robert Dole (R) 82,778 50.8%
Ross Perot (Ref) 8,476 5.2%
Ralph Nader (Grn) 1,549 1.0%
Harry Browne (Lbt) 1,063 0.7%
Other 824 0.5%
TOTAL 162,996
Turnout: 50% Diff (St): 5 Diff (US): 10


1992 President, Arapahoe County, CO
CandidateVotesPct
Bill Clinton (D) 66,607 36.2%
George Bush* (R) 72,221 39.3%
Ross Perot (I) 44,363 24.1%
Other 744 0.4%
TOTAL 183,935
Turnout: 61% Diff (St): 3 Diff (US): 2


1988 President, Arapahoe County, CO
CandidateVotesPct
George Bush (R) 95,926 60.2%
Michael Dukakis (D) 61,113 38.4%
Ron Paul (Lbt) 1,553 1.0%
Other 653 0.4%
TOTAL 159,245
Turnout: 59% Diff (St): 7 Diff (US): 7


1984 President, Arapahoe County, CO
CandidateVotesPct
Ronald Reagan* (R) 107,556 71.9%
Walter Mondale (D) 39,891 26.7%
Other 2,107 1.4%
TOTAL 149,554
Turnout: 63% Diff (St): 8 Diff (US): 13


1980 President, Arapahoe County, CO
CandidateVotesPct
Ronald Reagan (R) 79,594 62.2%
Jimmy Carter* (D) 30,148 23.6%
John Anderson (I) 15,329 12.0%
Edward Clark (Lbt) 2,307 1.8%
Other 602 0.5%
TOTAL 127,980
Turnout: 62% Diff (St): 7 Diff (US): 11


1976 President, Arapahoe County, CO
CandidateVotesPct
Jimmy Carter (D) 33,685 33.8%
Gerald Ford* (R) 63,154 63.5%
Eugene McCarthy (I) 1,748 1.8%
Other 939 0.9%
TOTAL 99,526
Turnout: 63% Diff (St): 9 Diff (US): 15


1972 President, Arapahoe County, CO
CandidateVotesPct
Richard Nixon* (R) 52,283 72.2%
George McGovern (D) 18,631 25.7%
John Schmitz (Amer) 816 1.1%
Other 646 0.9%
TOTAL 72,376
Turnout: 59% Diff (St): 10 Diff (US): 12


1968 President, Arapahoe County, CO
CandidateVotesPct
Richard Nixon (R) 33,712 59.6%
Hubert Humphrey (D) 18,569 32.8%
George Wallace (AIP) 3,953 7.0%
Other 369 0.7%
TOTAL 56,603
Turnout: 64% Diff (St): 9 Diff (US): 16


1964 President, Arapahoe County, CO
CandidateVotesPct
Lyndon Johnson* (D) 27,940 54.4%
Barry Goldwater (R) 23,071 44.9%
Other 347 0.7%
TOTAL 51,358
Turnout: 67% Diff (St): 7 Diff (US): 6


1960 President, Arapahoe County, CO
CandidateVotesPct
John Kennedy (D) 17,400 39.6%
Richard Nixon (R) 26,379 60.1%
Other 137 0.3%
TOTAL 43,916
Turnout: 68% Diff (St): 5 Diff (US): 10


1956 President, Arapahoe County, CO
CandidateVotesPct
Dwight Eisenhower* (R) 19,716 63.1%
Adlai Stevenson (D) 11,351 36.3%
Other 176 0.6%
TOTAL 31,243
Turnout: 58% Diff (St): 3 Diff (US): 6


1952 President, Arapahoe County, CO
CandidateVotesPct
Dwight Eisenhower (R) 15,402 60.3%
Adlai Stevenson (D) 9,843 38.5%
Other 289 1.1%
TOTAL 25,534
Turnout: 65% Diff (St): 0 Diff (US): 5


1948 President, Arapahoe County, CO
CandidateVotesPct
Harry Truman* (D) 7,943 52.7%
Thomas Dewey (R) 6,962 46.2%
Henry Wallace (Prog) 122 0.8%
Other 53 0.4%
TOTAL 15,080
Turnout: 52% Diff (St): 0 Diff (US): 1


1944 President, Arapahoe County, CO
CandidateVotesPct
Franklin Roosevelt* (D) 7,485 45.1%
Thomas Dewey (R) 9,057 54.5%
Other 69 0.4%
TOTAL 16,611
Turnout: 68% Diff (St): 1 Diff (US): 9


1940 President, Arapahoe County, CO
CandidateVotesPct
Franklin Roosevelt* (D) 7,571 48.2%
Wendell Willkie (R) 7,988 50.9%
Other 137 0.9%
TOTAL 15,696
Turnout: 81% Diff (St): 0 Diff (US): 6


1936 President, Arapahoe County, CO
CandidateVotesPct
Franklin Roosevelt* (D) 6,489 58.1%
Alf Landon (R) 4,272 38.2%
William Lemke (Union) 320 2.9%
Norman Thomas (Soc) 71 0.6%
Other 19 0.2%
TOTAL 11,171
Turnout: 69% Diff (St): 1 Diff (US): 2


1932 President, Arapahoe County, CO
CandidateVotesPct
Franklin Roosevelt (D) 5,796 54.5%
Herbert Hoover* (R) 4,287 40.3%
Norman Thomas (Soc) 472 4.4%
Other 87 0.8%
TOTAL 10,642
Turnout: 76% Diff (St): -1 Diff (US): 1


1928 President, Arapahoe County, CO
CandidateVotesPct
Herbert Hoover (R) 6,086 70.3%
Al Smith (D) 2,463 28.4%
Norman Thomas (Soc) 69 0.8%
Other 41 0.5%
TOTAL 8,659
Turnout: 73% Diff (St): 6 Diff (US): 12


1924 President, Arapahoe County, CO
CandidateVotesPct
Calvin Coolidge (R) 4,267 64.2%
John Davis (D) 1,209 18.2%
Robert LaFollette (Prog) 1,141 17.2%
Other 26 0.4%
TOTAL 6,643
Turnout: 67% Diff (St): 7 Diff (US): 10


1920 President, Arapahoe County, CO
CandidateVotesPct
Warren Harding (R) 2,930 59.8%
James Cox (D) 1,752 35.8%
Eugene Debs (Soc) 106 2.2%
Parley Christiansen (FL) 78 1.6%
Aaron Watkins (Proh) 34 0.7%
TOTAL 4,900
Turnout: 62% Diff (St): 0 Diff (US): -1


1916 President, Arapahoe County, CO
CandidateVotesPct
Woodrow Wilson* (D) 2,652 62.3%
Charles Evans Hughes (R) 1,443 33.9%
Allan Benson (Soc) 129 3.0%
James Hanly (Proh) 12 0.3%
Other 19 0.4%
TOTAL 4,255
Turnout: 58% Diff (St): -1 Diff (US): -12


1912 President, Arapahoe County, CO
CandidateVotesPct
Woodrow Wilson (D) 1,379 36.3%
Theodore Roosevelt (Prog) 1,344 35.4%
William Taft* (R) 765 20.2%
Eugene Debs (Soc) 267 7.0%
Eugene Chafin (Proh) 40 1.1%
Other 1 0.0%
TOTAL 3,796
Turnout: 58% Diff (St): -2 Diff (US): -3


1908 President, Arapahoe County, CO
CandidateVotesPct
William Taft (R) 1,514 50.5%
William J. Bryan (D) 1,340 44.7%
Eugene Debs (Soc) 89 3.0%
Eugene Chafin (Proh) 55 1.8%
TOTAL 2,998
Turnout: 13% Diff (St): 4 Diff (US): -1


1904 President, Arapahoe County, CO
CandidateVotesPct
Theodore Roosevelt (R) 1,351 62.9%
Alton Parker (D) 717 33.4%
Other 79 3.7%
TOTAL 2,147
Turnout: 4% Diff (St): 8 Diff (US): 7


1900 President, Arapahoe County, CO
CandidateVotesPct
William McKinley* (R) 25,469 42.1%
William J. Bryan (D) 33,754 55.8%
Other 1,260 2.1%
TOTAL 60,483
Turnout: 66% Diff (St): 0 Diff (US): -9
* incumbent

Historical Statewide Election Results for Arapahoe County, CO

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 51% Michael Bennet* (D) 154,678 60.1% Joe O'Dea (R) 96,033 37.3% 6,606 [+] 2.6% 257,317 -4 10.29%
2022 G 51% Jared Polis* (D) 162,304 63.1% Heidi Ganahl (R) 89,656 34.9% 5,161 [+] 2.0% 257,121 -4 10.25%
2020 S2 69% John Hickenlooper (D) 204,054 58.5% Cory Gardner* (R) 136,713 39.2% 7,879 [+] 2.3% 348,646 -5 10.78%
2018 G 56% Jared Polis (D) 155,056 57.2% Walker Stapleton (R) 106,833 39.4% 9,251 [+] 3.4% 271,140 -3 10.74%
2016 S3 64% Michael Bennet* (D) 162,747 54.0% Darryl Glenn (R) 123,509 41.0% 15,105 [+] 5.0% 301,361 -3 10.99%
2014 S2 49% Mark Udall* (D) 107,347 48.0% Cory Gardner (R) 103,915 46.5% 12,284 [+] 5.5% 223,546 -2 10.95%
2014 G 49% John Hickenlooper* (D) 116,445 52.0% Bob Beauprez (R) 98,374 43.9% 9,080 [+] 4.1% 223,899 -2 10.97%
2010 S3 46% Michael Bennet* (D) 97,240 49.5% Ken Buck (R) 88,957 45.3% 10,177 [+] 5.2% 196,374 -1 11.08%
2010 G 47% John Hickenlooper (D) 104,147 52.6% Tom Tancredo (I) 76,702 38.7% 17,317 [+] 8.7% 198,166 -4 11.08%
2008 S2 63% Mark Udall (D) 139,115 54.0% Bob Schaffer (R) 106,555 41.4% 11,766 [+] 4.6% 257,436 -1 11.04%
2006 G 43% Bill Ritter* (D) 98,203 58.0% Bob Beauprez (R) 66,907 39.5% 4,212 [+] 2.5% 169,322 -1 10.87%
2004 S3 60% Ken Salazar (D) 120,225 52.2% Pete Coors (R) 105,921 46.0% 4,215 [+] 1.8% 230,361 -1 10.93%
2002 S2 41% Wayne Allard* (R) 79,176 51.9% Tom Strickland (D) 68,673 45.0% 4,713 [+] 3.1% 152,562 1 10.78%
2002 G 41% Bill Owens* (R) 101,542 67.0% Rollie Heath (D) 46,260 30.5% 3,772 [+] 2.5% 151,574 4 10.73%
1998 S3 44% Ben Nighthorse Campbell* (R) 95,054 63.3% Dottie Lamm (D) 52,273 34.8% 2,915 [+] 1.9% 150,242 1 11.32%
1998 G 43% Bill Owens (R) 76,996 51.6% Gail Schoettler (D) 69,278 46.4% 3,015 [+] 2.0% 149,289 3 11.30%
1996 S2 49% Wayne Allard (R) 87,768 55.0% Tom Strickland (D) 68,053 42.6% 3,796 [+] 2.4% 159,617 4 10.86%
1994 G 38% Roy Romer* (D) 68,323 57.3% Bruce Benson (R) 45,007 37.8% 5,837 [+] 4.9% 119,167 -1 10.68%
1992 S3 60% Ben Nighthorse Campbell (D) 86,474 47.7% Terry Considine (R) 85,953 47.5% 8,706 [+] 4.8% 181,133 5 11.67%
1990 S2 40% Hank Brown (R) 67,696 60.0% Josie Heath (D) 42,733 37.9% 2,355 [+] 2.1% 112,784 4 11.04%
1990 G 39% Roy Romer* (D) 71,709 64.2% John Andrews (R) 37,396 33.5% 2,547 [+] 2.3% 111,652 -2 11.04%
1986 S3 47% Ken Kramer (R) 65,346 55.1% Tim Wirth (D) 51,327 43.3% 1,998 [+] 1.7% 118,671 7 11.19%
1986 G 47% Roy Romer (D) 64,340 54.4% Ted Strickland (R) 53,071 44.8% 952 [+] 0.8% 118,363 4 11.18%
1984 S2 62% William Armstrong* (R) 106,179 71.9% Nancy Dick (D) 39,856 27.0% 1,643 [+] 1.1% 147,678 8 11.38%
1982 G 46% Richard Lamm* (D) 64,383 62.8% John Fuhr (R) 35,265 34.4% 2,792 [+] 2.7% 102,440 3 10.72%
1980 S3 61% Mary Buchanan (R) 65,854 52.2% Gary Hart* (D) 58,723 46.6% 1,470 [+] 1.2% 126,047 4 10.74%
1978 S2 45% William Armstrong (R) 55,350 70.2% Floyd Haskell* (D) 22,736 28.8% 816 [+] 1.0% 78,902 11 9.63%
1978 G 45% Richard Lamm* (D) 43,612 54.6% Ted Strickland (R) 34,268 42.9% 1,976 [+] 2.5% 79,856 4 9.69%
1974 S3 49% Gary Hart (D) 35,141 50.7% Peter Dominick* (R) 31,376 45.3% 2,810 [+] 4.1% 69,327 6 8.41%
1974 G 50% John Vanderhoof* (R) 37,665 53.8% Richard Lamm (D) 31,676 45.2% 686 [+] 1.0% 70,027 8 8.45%
1972 S2 58% Gordon Allott* (R) 41,276 57.7% Floyd Haskell (D) 29,550 41.3% 705 [+] 1.0% 71,531 9 7.72%
1970 G 48% John Love* (R) 30,329 63.2% Mark Hogan (D) 17,064 35.5% 607 [+] 1.3% 48,000 11 7.18%
1968 S3 63% Peter Dominick* (R) 36,813 67.1% Stephen McNichols (D) 18,083 32.9% 0 0.0% 54,896 9 6.99%
1966 S2 52% Gordon Allott* (R) 27,698 65.4% Roy Romer (D) 14,614 34.5% 26 [+] 0.1% 42,338 7 6.67%
1966 G 54% John Love* (R) 29,849 68.0% Robert Knous (D) 13,729 31.3% 330 [+] 0.8% 43,908 14 6.65%
1962 S3 52% Peter Dominick (R) 22,724 61.5% John Carroll* (D) 13,907 37.7% 293 [+] 0.8% 36,924 8 6.02%
1962 G 52% John Love (R) 23,364 63.1% Stephen McNichols* (D) 13,441 36.3% 205 [+] 0.6% 37,010 6 6.00%
1960 S2 66% Gordon Allott* (R) 25,140 58.5% Robert Knous (D) 17,666 41.1% 205 [+] 0.5% 43,011 5 5.91%
*: 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 Arapahoe County, CO

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 CO01Diana DeGette* (D) 2,117 74.8% Jennifer Qualteri (R) 661 23.4% 51 1.8% 2,829
2022-11-08 CO04Ken Buck* (R) 7,771 51.3% Ike McCorkle (D) 6,975 46.0% 403 2.7% 15,149
2022-11-08 CO06Jason Crow* (D) 145,415 61.6% Steven Monahan (R) 85,916 36.4% 4,612 2.0% 235,943
County Total for 2022-11-08:   253,921
2020-11-03 CO01Diana DeGette* (D) 19,780 63.9% Shane Bolling (R) 10,253 33.1% 916 3.0% 30,949
2020-11-03 CO04Ken Buck* (R) 3,885 76.6% Ike McCorkle (D) 1,007 19.8% 182 3.6% 5,074
2020-11-03 CO06Jason Crow* (D) 184,589 60.0% Steve House (R) 113,991 37.1% 9,079 3.0% 307,659
County Total for 2020-11-03:   343,682
2018-11-06 CO01Diana DeGette* (D) 15,645 63.1% Casper Stockham (R) 8,300 33.5% 853 3.4% 24,798
2018-11-06 CO04Ken Buck* (R) 3,003 78.2% Karen McCormick (D) 834 21.7% 1 0.0% 3,838
2018-11-06 CO06Jason Crow (D) 138,261 56.9% Mike Coffman* (R) 97,623 40.2% 7,181 3.0% 243,065
County Total for 2018-11-06:   271,701
2016-11-08 CO01Diana DeGette* (D) 14,933 56.1% Casper Stockham (R) 10,318 38.8% 1,358 5.1% 26,609
2016-11-08 CO04Ken Buck* (R) 3,218 77.1% Bob Seay (D) 760 18.2% 194 4.7% 4,172
2016-11-08 CO06Mike Coffman* (R) 129,749 48.3% Morgan Carroll (D) 121,385 45.2% 17,538 6.5% 268,672
County Total for 2016-11-08:   299,453
2014-11-04 CO01Diana DeGette* (D) 10,295 53.1% Martin Walsh (R) 7,793 40.2% 1,282 6.6% 19,370
2014-11-04 CO04Ken Buck (R) 2,375 74.7% Vic Meyers (D) 571 18.0% 232 7.3% 3,178
2014-11-04 CO06Mike Coffman* (R) 97,960 49.5% Andrew Romanoff (D) 89,508 45.2% 10,445 5.3% 197,913
County Total for 2014-11-04:   220,461
2012-11-06 CO01Diana DeGette* (D) 13,705 56.5% Danny Stroud (R) 9,087 37.5% 1,464 6.0% 24,256
2012-11-06 CO04Cory Gardner* (R) 2,487 68.7% Brandon Shaffer (D) 883 24.4% 251 6.9% 3,621
2012-11-06 CO06Joe Miklosi (D) 119,522 48.1% Mike Coffman* (R) 112,778 45.4% 16,161 6.5% 248,461
County Total for 2012-11-06:   276,338
2010-11-02 CO01Diana DeGette* (D) 9,916 51.6% Mike Fallon (R) 8,279 43.1% 1,017 5.3% 19,212
2010-11-02 CO06Mike Coffman* (R) 81,622 61.7% John Flerlage (D) 46,863 35.4% 3,902 2.9% 132,387
2010-11-02 CO07Ed Perlmutter* (D) 25,174 59.8% Ryan Frazier (R) 14,915 35.5% 1,982 4.7% 42,071
County Total for 2010-11-02:   193,670
2008-11-04 CO01Diana DeGette* (D) 15,450 59.5% George Lilly (R) 9,128 35.2% 1,368 5.3% 25,946
2008-11-04 CO06Mike Coffman (R) 93,017 56.1% Hank Eng (D) 72,739 43.9% 0 0.0% 165,756
2008-11-04 CO07Ed Perlmutter* (D) 41,847 69.8% John Lerew (R) 18,137 30.2% 0 0.0% 59,984
County Total for 2008-11-04:   251,686
2006-11-07 CO01Diana DeGette* (D) 11,065 70.7% Thomas Kelly (Green) 4,589 29.3% 0 0.0% 15,654
2006-11-07 CO06Tom Tancredo* (R) 63,232 55.6% Bill Winter (D) 48,666 42.8% 1,727 1.5% 113,625
2006-11-07 CO07Ed Perlmutter (D) 21,547 58.2% Rick O'Donnell (R) 14,406 38.9% 1,042 2.8% 36,995
County Total for 2006-11-07:   166,274
2004-11-02 CO01Diana DeGette* (D) 14,739 61.5% Roland Chicas (R) 8,633 36.0% 612 2.6% 23,984
2004-11-02 CO06Tom Tancredo* (R) 80,290 55.9% Joanna Conti (D) 61,223 42.6% 2,238 1.6% 143,751
2004-11-02 CO07Bob Beauprez* (R) 27,268 50.4% Dave Thomas (D) 25,419 47.0% 1,444 2.7% 54,131
County Total for 2004-11-02:   221,866
2002-11-05 CO01Diana DeGette* (D) 8,276 50.2% Ken Chlouber (R) 7,561 45.8% 658 4.0% 16,495
2002-11-05 CO06Tom Tancredo* (R) 62,019 63.9% Lance Wright (D) 32,009 33.0% 3,050 3.1% 97,078
2002-11-05 CO07Mike Feeley (D) 17,353 49.4% Bob Beauprez (R) 15,800 45.0% 1,960 5.6% 35,113
County Total for 2002-11-05:   148,686
2000-11-07 CO01Diana DeGette* (D) 5,737 61.4% Jesse Thomas (R) 3,212 34.4% 395 4.2% 9,344
2000-11-07 CO04Bob Schaffer* (R) 15,573 84.4% Dan Ward (Natural Law) 1,036 5.6% 1,840 10.0% 18,449
2000-11-07 CO05Joel Hefley* (R) 27,213 81.9% Kerry Kantor (Libertarian) 4,389 13.2% 1,620 4.9% 33,222
2000-11-07 CO06Tom Tancredo (R) 61,943 53.2% Kenneth Toltz (D) 49,858 42.8% 4,581 3.9% 116,382
County Total for 2000-11-07:   177,397
1998-11-03 CO01Diana DeGette* (D) 4,517 56.8% Nancy McClanahan (R) 3,145 39.6% 285 3.6% 7,947
1998-11-03 CO04Bob Schaffer* (R) 8,565 66.1% Susan Kirkpatrick (D) 4,387 33.9% 0 0.0% 12,952
1998-11-03 CO05Joel Hefley* (R) 19,948 67.1% Ken Alford (D) 9,521 32.0% 268 0.9% 29,737
1998-11-03 CO06Tom Tancredo (R) 50,381 54.3% Henry Strauss (D) 40,380 43.5% 2,053 2.2% 92,814
County Total for 1998-11-03:   143,450
1996-11-05 CO01Diana DeGette (D) 4,741 50.3% Joe Rogers (R) 4,402 46.7% 284 3.0% 9,427
1996-11-05 CO04Bob Schaffer (R) 8,120 69.0% Guy Kelley (D) 3,142 26.7% 509 4.3% 11,771
1996-11-05 CO05Joel Hefley* (R) 21,477 67.8% Mike Robinson (D) 10,198 32.2% 0 0.0% 31,675
1996-11-05 CO06Dan Schaefer* (R) 64,382 63.6% Joan Fitzgerald (D) 36,786 36.4% 0 0.0% 101,168
County Total for 1996-11-05:   154,041
1994-11-08 CO01Bill Eggert (R) 3,834 51.3% Pat Schroeder* (D) 3,633 48.7% 0 0.0% 7,467
1994-11-08 CO04Wayne Allard* (R) 5,462 77.3% Cathy Kipp (D) 1,601 22.7% 0 0.0% 7,063
1994-11-08 CO05Joel Hefley* (R) 19,678 100.0% 0 0.0% 19,678
1994-11-08 CO06Dan Schaefer* (R) 55,408 71.0% John Hallen (D) 21,026 26.9% 1,589 2.0% 78,023
County Total for 1994-11-08:   112,231
1992-11-03 CO01Pat Schroeder* (D) 7,105 61.5% Raymond Aragon (R) 4,445 38.5% 0 0.0% 11,550
1992-11-03 CO04Wayne Allard* (R) 6,135 63.6% Tom Redder (D) 3,510 36.4% 0 0.0% 9,645
1992-11-03 CO05Joel Hefley* (R) 22,186 66.6% Charles Oriez (D) 10,208 30.7% 894 2.7% 33,288
1992-11-03 CO06Dan Schaefer* (R) 73,103 61.5% Tom Kolbe (D) 45,766 38.5% 3 0.0% 118,872
County Total for 1992-11-03:   173,355
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Arapahoe County, CO

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 462,611 92,387 20.0% 139,657 30.2% 230,567 49.8% Dem +47,270 Dem +10.2% 92%
2022 467,825 98,347 21.0% 145,207 31.0% 224,271 47.9% Dem +46,860 Dem +10.0% 93%
2020 457,561 108,634 23.7% 149,683 32.7% 199,244 43.5% Dem +41,049 Dem +9.0% 91%
2018 428,819 112,171 26.2% 140,601 32.8% 176,047 41.1% Dem +28,430 Dem +6.6% 88%
2016 417,578 119,788 28.7% 140,821 33.7% 156,969 37.6% Dem +21,033 Dem +5.0% 89%
2014 389,813 116,673 29.9% 129,314 33.2% 143,826 36.9% Dem +12,641 Dem +3.2% 86%
2012 384,581 118,730 30.9% 131,628 34.2% 134,223 34.9% Dem +12,898 Dem +3.4% 87%
2010 345,376 112,819 32.7% 121,066 35.1% 111,491 32.3% Dem +8,247 Dem +2.4% 81%
2008 343,438 114,078 33.2% 119,454 34.8% 109,906 32.0% Dem +5,376 Dem +1.6% 83%
2006 330,731 120,179 36.3% 100,476 30.4% 110,076 33.3% Rep +19,703 Rep +6.0% 83%
2004 372,631 136,870 36.7% 108,987 29.2% 126,774 34.0% Rep +27,883 Rep +7.5% 97%
2002 318,152 121,132 38.1% 90,022 28.3% 106,998 33.6% Rep +31,110 Rep +9.8% 86%
2000 284,963 111,663 39.2% 78,647 27.6% 94,653 33.2% Rep +33,016 Rep +11.6% 80%
1998 276,566 109,603 39.6% 75,458 27.3% 91,505 33.1% Rep +34,145 Rep +12.3% 81%
1996 270,189 109,244 40.4% 72,774 26.9% 88,171 32.6% Rep +36,470 Rep +13.5% 82%
1994 244,139 94,933 38.9% 66,346 27.2% 82,860 33.9% Rep +28,587 Rep +11.7% 78%
1992 245,088 94,800 38.7% 67,342 27.5% 82,946 33.8% Rep +27,458 Rep +11.2% 82%
1990 228,006 90,012 39.5% 52,456 23.0% 85,538 37.5% Rep +37,556 Rep +16.5% 80%
1988 238,650 91,746 38.4% 52,148 21.9% 94,756 39.7% Rep +39,598 Rep +16.6% 89%
1986 211,198 81,194 38.4% 44,746 21.2% 85,258 40.4% Rep +36,448 Rep +17.3% 83%
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.