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St. Louis County, MO


Metropolitan Statistical Area: St. Louis, MO-IL
Designated Market Area: St. Louis, MO-IL
American Communities Project County Type (2023): Urban Suburbs

Places in St. Louis County, MO     [Sort places by name]

 

Tracts in St. Louis County, MO

   



Click here to view demographic data for St. Louis County, MO

2022 population: 990,414   ( 8,540 from 2010 , 13,896 from 2020)
Land area: 507.9 square miles
Population density: 1950.1 persons per square mile

2022 Census data
White:636,432 64.26% 7.5%
Black:247,15024.95% 6.6%
Indian:1,6010.16% 1.9%
Asian:49,9265.04% 43.7%
2+ races:22,9252.31% 38.2%
Hispanic:32,3803.27% 29.4%
Total non-White:353,98235.74% 13.8%

2020-2022 ComponentsNumberRate
Births:23,586 11.7
Deaths:27,57213.7
Net Migration: -14,294-7.1
Net Immigration: 3,8241.9
Change in White population:-51,552 -5.2
Change in Non-White pop.:43,012 4.3



Historical Presidential Election Results for St. Louis County, MO

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R -2,941 D +44,388 D + 7.2%
D +41,447
2020 vs. 2012 R -25,249 D +56,303 D + 10.5%
D +31,054
2020 vs. 2008 R -22,212 D +17,240 D + 4.3%
D -4,972
2016 vs. 2008 R -19,271 R +27,148 R + 2.9%
D -46,419
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 69% Joe Biden (D) 328,151 61.2% Donald Trump* (R) 199,493 37.2% 8,802 [+] 1.6% 536,446 -20 -10 17.70%
2016 67% Hillary Clinton (D) 286,704 55.2% Donald Trump (R) 202,434 39.0% 30,548 [+] 5.9% 519,686 -17 -7 18.37%
2012 69% Barack Obama* (D) 297,097 56.0% Mitt Romney (R) 224,742 42.4% 8,277 [+] 1.6% 530,116 -11 -5 19.18%
2008 73% Barack Obama (D) 333,123 59.5% John McCain (R) 221,705 39.6% 5,026 [+] 0.9% 559,854 -10 -6 19.11%
2004 71% John Kerry (D) 295,284 54.4% George W. Bush* (R) 244,969 45.1% 2,730 [+] 0.5% 542,983 -8 -6 19.88%
2000 64% Albert Gore, Jr. (D) 250,631 51.5% George W. Bush (R) 224,689 46.1% 11,564 [+] 2.4% 486,884 -4 -2 20.63%
1996 61% Bill Clinton* (D) 225,524 48.8% Robert Dole (R) 196,096 42.4% 40,658 [+] 8.8% 462,278 1 2 21.42%
1992 71% Bill Clinton (D) 235,760 44.1% George Bush* (R) 188,285 35.2% 110,718 [+] 20.7% 534,763 1 -2 22.36%
1988 65% George Bush (R) 262,784 54.6% Michael Dukakis (D) 216,534 45.0% 1,579 [+] 0.3% 480,897 3 1 22.97%
1984 66% Ronald Reagan* (R) 307,684 64.0% Walter Mondale (D) 173,144 36.0% 0 0.0% 480,828 4 5 22.65%
1980 69% Ronald Reagan (R) 263,518 54.4% Jimmy Carter* (D) 192,796 39.8% 28,517 [+] 5.9% 484,831 3 4 23.09%
1976 68% Gerald Ford* (R) 246,988 54.6% Jimmy Carter (D) 196,915 43.5% 8,723 [+] 1.9% 452,626 7 7 23.17%
1972 65% Richard Nixon* (R) 264,147 62.1% George McGovern (D) 160,801 37.8% 108 [+] 0.0% 425,056 0 1 22.88%
1968 68% Richard Nixon (R) 180,355 46.8% Hubert Humphrey (D) 165,786 43.0% 39,234 [+] 10.2% 385,375 2 3 21.30%
1964 70% Lyndon Johnson* (D) 213,658 61.3% Barry Goldwater (R) 134,962 38.7% 0 0.0% 348,620 3 0 19.18%
1960 74% John Kennedy (D) 166,508 51.3% Richard Nixon (R) 157,992 48.7% 0 0.0% 324,500 -1 -1 16.78%
1956 67% Dwight Eisenhower* (R) 138,111 53.1% Adlai Stevenson (D) 121,881 46.9% 0 0.0% 259,992 3 -4 14.19%
1952 69% Dwight Eisenhower (R) 116,821 55.0% Adlai Stevenson (D) 95,457 44.9% 202 0.1% 212,480 4 0 11.23%
1948 53% Thomas Dewey (R) 69,592 52.2% Harry Truman* (D) 62,684 47.0% 1,107 [+] 0.8% 133,383 11 7 8.45%
1944 57% Thomas Dewey (R) 64,131 52.5% Franklin Roosevelt* (D) 57,780 47.3% 355 0.3% 122,266 4 7 7.78%
1940 66% Wendell Willkie (R) 66,909 55.9% Franklin Roosevelt* (D) 52,380 43.7% 458 0.4% 119,747 8 11 6.53%
1936 72% Franklin Roosevelt* (D) 63,226 56.4% Alf Landon (R) 45,541 40.6% 3,333 [+] 3.0% 112,100 2 4 6.13%
1932 70% Franklin Roosevelt (D) 59,044 60.1% Herbert Hoover* (R) 35,872 36.5% 3,341 [+] 3.4% 98,257 1 -3 6.10%
1928 68% Herbert Hoover (R) 42,572 55.5% Al Smith (D) 33,802 44.1% 293 [+] 0.4% 76,667 0 -3 5.11%
1924 55% Calvin Coolidge (R) 26,669 55.8% John Davis (D) 16,075 33.6% 5,090 [+] 10.6% 47,834 6 2 3.66%
1920 65% Warren Harding (R) 25,008 63.6% James Cox (D) 12,438 31.6% 1,896 [+] 4.8% 39,342 9 3 2.95%
1916 38% Charles Evans Hughes (R) 12,485 60.4% Woodrow Wilson* (D) 7,587 36.7% 594 [+] 2.9% 20,666 13 14 2.63%
1912 31% William Taft* (R) 6,177 39.8% Woodrow Wilson (D) 5,409 34.8% 3,940 [+] 25.4% 15,526 10 17 2.22%
1908 38% William Taft (R) 10,177 66.4% William J. Bryan (D) 4,522 29.5% 627 [+] 4.1% 15,326 18 15 2.14%
1904 31% Theodore Roosevelt (R) 7,375 69.5% Alton Parker (D) 2,870 27.0% 374 [+] 3.5% 10,619 20 13 1.65%
1900 39% William McKinley* (R) 6,537 61.8% William J. Bryan (D) 3,864 36.5% 172 [+] 1.6% 10,573 16 10 1.55%
* incumbent         PSV: percent of state vote



2020 President, St. Louis County, MO
CandidateVotesPct
Joe Biden (D) 328,151 61.2%
Donald Trump* (R) 199,493 37.2%
Jo Jorgensen (Lbt) 6,119 1.1%
Other 2,683 0.5%
TOTAL 536,446
Turnout: 69% Diff (St): -20 Diff (US): -10


2016 President, St. Louis County, MO
CandidateVotesPct
Hillary Clinton (D) 286,704 55.2%
Donald Trump (R) 202,434 39.0%
Gary Johnson (Lbt) 16,677 3.2%
Jill Stein (Grn) 5,207 1.0%
Evan McMullin (I) 1,612 0.3%
Other 7,052 1.4%
TOTAL 519,686
Turnout: 67% Diff (St): -17 Diff (US): -7


2012 President, St. Louis County, MO
CandidateVotesPct
Barack Obama* (D) 297,097 56.0%
Mitt Romney (R) 224,742 42.4%
Gary Johnson (Lbt) 5,748 1.1%
Other 2,529 0.5%
TOTAL 530,116
Turnout: 69% Diff (St): -11 Diff (US): -5


2008 President, St. Louis County, MO
CandidateVotesPct
Barack Obama (D) 333,123 59.5%
John McCain (R) 221,705 39.6%
Ralph Nader (I) 2,372 0.4%
Bob Barr (Lbt) 1,674 0.3%
Other 980 0.2%
TOTAL 559,854
Turnout: 73% Diff (St): -10 Diff (US): -6


2004 President, St. Louis County, MO
CandidateVotesPct
George W. Bush* (R) 244,969 45.1%
John Kerry (D) 295,284 54.4%
Other 2,730 0.5%
TOTAL 542,983
Turnout: 71% Diff (St): -8 Diff (US): -6


2000 President, St. Louis County, MO
CandidateVotesPct
George W. Bush (R) 224,689 46.1%
Albert Gore, Jr. (D) 250,631 51.5%
Ralph Nader (Grn) 8,474 1.7%
Pat Buchanan (Ref) 1,160 0.2%
Other 1,930 0.4%
TOTAL 486,884
Turnout: 64% Diff (St): -4 Diff (US): -2


1996 President, St. Louis County, MO
CandidateVotesPct
Bill Clinton* (D) 225,524 48.8%
Robert Dole (R) 196,096 42.4%
Ross Perot (Ref) 34,850 7.5%
Harry Browne (Lbt) 2,176 0.5%
Other 3,632 0.8%
TOTAL 462,278
Turnout: 61% Diff (St): 1 Diff (US): 2


1992 President, St. Louis County, MO
CandidateVotesPct
Bill Clinton (D) 235,760 44.1%
George Bush* (R) 188,285 35.2%
Ross Perot (I) 109,099 20.4%
Other 1,619 0.3%
TOTAL 534,763
Turnout: 71% Diff (St): 1 Diff (US): -2


1988 President, St. Louis County, MO
CandidateVotesPct
George Bush (R) 262,784 54.6%
Michael Dukakis (D) 216,534 45.0%
Other 1,579 0.3%
TOTAL 480,897
Turnout: 65% Diff (St): 3 Diff (US): 1


1984 President, St. Louis County, MO
CandidateVotesPct
Ronald Reagan* (R) 307,684 64.0%
Walter Mondale (D) 173,144 36.0%
TOTAL 480,828
Turnout: 66% Diff (St): 4 Diff (US): 5


1980 President, St. Louis County, MO
CandidateVotesPct
Ronald Reagan (R) 263,518 54.4%
Jimmy Carter* (D) 192,796 39.8%
John Anderson (I) 25,032 5.2%
Edward Clark (Lbt) 3,211 0.7%
Other 274 0.1%
TOTAL 484,831
Turnout: 69% Diff (St): 3 Diff (US): 4


1976 President, St. Louis County, MO
CandidateVotesPct
Jimmy Carter (D) 196,915 43.5%
Gerald Ford* (R) 246,988 54.6%
Eugene McCarthy (I) 8,723 1.9%
TOTAL 452,626
Turnout: 68% Diff (St): 7 Diff (US): 7


1972 President, St. Louis County, MO
CandidateVotesPct
Richard Nixon* (R) 264,147 62.1%
George McGovern (D) 160,801 37.8%
Other 108 0.0%
TOTAL 425,056
Turnout: 65% Diff (St): 0 Diff (US): 1


1968 President, St. Louis County, MO
CandidateVotesPct
Richard Nixon (R) 180,355 46.8%
Hubert Humphrey (D) 165,786 43.0%
George Wallace (AIP) 39,234 10.2%
TOTAL 385,375
Turnout: 68% Diff (St): 2 Diff (US): 3


1964 President, St. Louis County, MO
CandidateVotesPct
Lyndon Johnson* (D) 213,658 61.3%
Barry Goldwater (R) 134,962 38.7%
TOTAL 348,620
Turnout: 70% Diff (St): 3 Diff (US): 0


1960 President, St. Louis County, MO
CandidateVotesPct
John Kennedy (D) 166,508 51.3%
Richard Nixon (R) 157,992 48.7%
TOTAL 324,500
Turnout: 74% Diff (St): -1 Diff (US): -1


1956 President, St. Louis County, MO
CandidateVotesPct
Dwight Eisenhower* (R) 138,111 53.1%
Adlai Stevenson (D) 121,881 46.9%
TOTAL 259,992
Turnout: 67% Diff (St): 3 Diff (US): -4


1952 President, St. Louis County, MO
CandidateVotesPct
Dwight Eisenhower (R) 116,821 55.0%
Adlai Stevenson (D) 95,457 44.9%
Other 202 0.1%
TOTAL 212,480
Turnout: 69% Diff (St): 4 Diff (US): 0


1948 President, St. Louis County, MO
CandidateVotesPct
Harry Truman* (D) 62,684 47.0%
Thomas Dewey (R) 69,592 52.2%
Henry Wallace (Prog) 590 0.4%
Other 517 0.4%
TOTAL 133,383
Turnout: 53% Diff (St): 11 Diff (US): 7


1944 President, St. Louis County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 57,780 47.3%
Thomas Dewey (R) 64,131 52.5%
Other 355 0.3%
TOTAL 122,266
Turnout: 57% Diff (St): 4 Diff (US): 7


1940 President, St. Louis County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 52,380 43.7%
Wendell Willkie (R) 66,909 55.9%
Other 458 0.4%
TOTAL 119,747
Turnout: 66% Diff (St): 8 Diff (US): 11


1936 President, St. Louis County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 63,226 56.4%
Alf Landon (R) 45,541 40.6%
William Lemke (Union) 2,615 2.3%
Norman Thomas (Soc) 615 0.5%
Other 103 0.1%
TOTAL 112,100
Turnout: 72% Diff (St): 2 Diff (US): 4


1932 President, St. Louis County, MO
CandidateVotesPct
Franklin Roosevelt (D) 59,044 60.1%
Herbert Hoover* (R) 35,872 36.5%
Norman Thomas (Soc) 3,237 3.3%
Other 104 0.1%
TOTAL 98,257
Turnout: 70% Diff (St): 1 Diff (US): -3


1928 President, St. Louis County, MO
CandidateVotesPct
Herbert Hoover (R) 42,572 55.5%
Al Smith (D) 33,802 44.1%
Norman Thomas (Soc) 273 0.4%
Other 20 0.0%
TOTAL 76,667
Turnout: 68% Diff (St): 0 Diff (US): -3


1924 President, St. Louis County, MO
CandidateVotesPct
Calvin Coolidge (R) 26,669 55.8%
John Davis (D) 16,075 33.6%
Robert LaFollette (Prog) 4,997 10.4%
Other 93 0.2%
TOTAL 47,834
Turnout: 55% Diff (St): 6 Diff (US): 2


1920 President, St. Louis County, MO
CandidateVotesPct
Warren Harding (R) 25,008 63.6%
James Cox (D) 12,438 31.6%
Other 1,896 4.8%
TOTAL 39,342
Turnout: 65% Diff (St): 9 Diff (US): 3


1916 President, St. Louis County, MO
CandidateVotesPct
Woodrow Wilson* (D) 7,587 36.7%
Charles Evans Hughes (R) 12,485 60.4%
Allan Benson (Soc) 454 2.2%
James Hanly (Proh) 99 0.5%
Other 41 0.2%
TOTAL 20,666
Turnout: 38% Diff (St): 13 Diff (US): 14


1912 President, St. Louis County, MO
CandidateVotesPct
Woodrow Wilson (D) 5,409 34.8%
Theodore Roosevelt (Prog) 2,854 18.4%
William Taft* (R) 6,177 39.8%
Eugene Debs (Soc) 929 6.0%
Eugene Chafin (Proh) 95 0.6%
Other 62 0.4%
TOTAL 15,526
Turnout: 31% Diff (St): 10 Diff (US): 17


1908 President, St. Louis County, MO
CandidateVotesPct
William Taft (R) 10,177 66.4%
William J. Bryan (D) 4,522 29.5%
Eugene Debs (Soc) 514 3.4%
Eugene Chafin (Proh) 73 0.5%
Thomas Hisgen (I) 4 0.0%
Other 36 0.2%
TOTAL 15,326
Turnout: 38% Diff (St): 18 Diff (US): 15


1904 President, St. Louis County, MO
CandidateVotesPct
Theodore Roosevelt (R) 7,375 69.5%
Alton Parker (D) 2,870 27.0%
Eugene Debs (Soc) 202 1.9%
Silas Swallow (Proh) 119 1.1%
Thomas Watson (Pop) 15 0.1%
Other 38 0.4%
TOTAL 10,619
Turnout: 31% Diff (St): 20 Diff (US): 13


1900 President, St. Louis County, MO
CandidateVotesPct
William McKinley* (R) 6,537 61.8%
William J. Bryan (D) 3,864 36.5%
John Woolley (Proh) 60 0.6%
Eugene Debs (Soc) 100 0.9%
Other 12 0.1%
TOTAL 10,573
Turnout: 39% Diff (St): 16 Diff (US): 10
* incumbent

Historical Statewide Election Results for St. Louis County, MO

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 48% Trudy Busch-Valentine (D) 226,772 61.4% Eric Schmitt (R) 137,197 37.1% 5,659 [+] 1.5% 369,628 -18 17.86%
2020 G 68% Nicole Galloway (D) 312,271 59.2% Mike Parson* (R) 204,665 38.8% 10,308 [+] 2.0% 527,244 -18 17.50%
2018 S1 59% Claire McCaskill* (D) 284,015 62.1% Josh Hawley (R) 163,972 35.8% 9,622 [+] 2.1% 457,609 -16 18.74%
2016 S3 67% Jason Kander (D) 308,925 59.9% Roy Blunt* (R) 189,726 36.8% 17,162 [+] 3.3% 515,813 -12 18.40%
2016 G 67% Chris Koster (D) 301,115 58.4% Eric Greitens (R) 199,827 38.8% 14,312 [+] 2.8% 515,254 -12 18.38%
2012 S1 68% Claire McCaskill* (D) 335,573 64.4% Todd Akin (R) 164,267 31.5% 21,499 [+] 4.1% 521,339 -8 19.13%
2012 G 68% Jay Nixon* (D) 324,748 62.3% Dave Spence (R) 185,704 35.6% 10,546 [+] 2.0% 520,998 -7 19.10%
2010 S3 49% Robin Carnahan (D) 195,229 52.0% Roy Blunt (R) 167,458 44.6% 12,747 [+] 3.4% 375,434 -10 19.31%
2008 G 72% Jay Nixon (D) 357,649 65.3% Kenny Hulshof (R) 180,278 32.9% 9,400 [+] 1.7% 547,327 -7 19.02%
2006 S1 54% Claire McCaskill (D) 229,264 55.2% Jim Talent* (R) 178,720 43.1% 7,160 [+] 1.7% 415,144 -4 19.50%
2004 S3 70% Nancy Farmer (D) 277,503 51.7% Christopher Bond* (R) 254,285 47.4% 4,642 [+] 0.9% 536,430 -9 19.82%
2004 G 71% Claire McCaskill (D) 296,624 54.8% Matt Blunt (R) 238,783 44.1% 6,143 [+] 1.1% 541,550 -7 19.91%
2002 S1 51% Jean Carnahan* (D) 200,985 51.4% Jim Talent (R) 185,923 47.5% 4,278 [+] 1.1% 391,186 -2 20.83%
2000 S1 64% Mel Carnahan (D) 263,291 53.9% John Ashcroft* (R) 220,200 45.1% 4,909 [+] 1.0% 488,400 -3 20.68%
2000 G 66% Bob Holden (D) 239,341 48.0% Jim Talent (R) 233,031 46.8% 25,994 [+] 5.2% 498,366 1 21.24%
1998 S3 46% Christopher Bond* (R) 168,221 48.6% Jay Nixon (D) 157,927 45.6% 20,326 [+] 5.9% 346,474 -4 21.97%
1996 G 60% Mel Carnahan* (D) 245,275 54.1% Margaret Kelly (R) 208,184 45.9% 166 [+] 0.0% 453,625 5 21.17%
1994 S1 51% John Ashcroft (R) 227,011 59.0% Alan Wheat (D) 145,458 37.8% 12,181 [+] 3.2% 384,650 -1 21.67%
1992 S3 71% Christopher Bond* (R) 276,715 52.1% Geri Rothman-Serot (D) 241,350 45.5% 12,866 [+] 2.4% 530,931 0 22.55%
1992 G 70% Mel Carnahan (D) 320,213 60.8% William Webster (R) 206,155 39.2% 0 0.0% 526,368 -2 22.45%
1988 S1 65% John Danforth* (R) 336,336 70.4% Jay Nixon (D) 138,542 29.0% 3,123 [+] 0.7% 478,001 3 22.99%
1988 G 65% John Ashcroft* (R) 327,062 68.4% Betty Hearnes (D) 145,256 30.4% 5,784 [+] 1.2% 478,102 4 22.92%
1986 S3 46% Christopher Bond (R) 186,597 55.5% Harriett Woods (D) 149,648 44.5% 17 [+] 0.0% 336,262 3 22.76%
1984 G 66% John Ashcroft (R) 269,100 56.2% Kenneth Rothman (D) 209,798 43.8% 0 0.0% 478,898 0 22.72%
1982 S1 46% John Danforth* (R) 196,830 59.9% Harriett Woods (D) 131,572 40.1% 0 0.0% 328,402 9 21.28%
1980 S3 68% Gene McNary (R) 261,298 54.2% Thomas Eagleton* (D) 219,030 45.4% 1,681 [+] 0.3% 482,009 7 23.32%
1980 G 68% Christopher Bond (R) 282,313 58.6% Joseph Teasdale* (D) 197,222 41.0% 1,901 [+] 0.4% 481,436 6 23.06%
1976 S1 67% John Danforth (R) 280,154 63.0% Warren Hearnes (D) 162,056 36.4% 2,806 [+] 0.6% 445,016 6 23.24%
1976 G 68% Christopher Bond* (R) 243,804 54.2% Joseph Teasdale (D) 205,250 45.6% 884 [+] 0.2% 449,938 5 23.27%
1974 S3 43% Thomas Eagleton* (D) 162,755 57.4% Thomas Curtis (R) 118,238 41.7% 2,396 [+] 0.8% 283,389 2 23.15%
1972 G 66% Christopher Bond (R) 251,639 58.6% Eugene Dowd (D) 176,460 41.1% 1,215 [+] 0.3% 429,314 3 23.01%
1970 S1 48% Stuart Symington* (D) 147,946 50.6% John Danforth (R) 139,696 47.8% 4,764 [+] 1.6% 292,406 0 22.77%
1968 S3 67% Thomas Curtis (R) 192,846 51.4% Thomas Eagleton (D) 182,583 48.6% 0 0.0% 375,429 2 21.60%
1968 G 67% Warren Hearnes* (D) 221,790 58.6% Lawrence Roos (R) 156,712 41.4% 0 0.0% 378,502 2 21.45%
1964 S1 69% Stuart Symington* (D) 234,549 68.3% Jean Paul Bradshaw (R) 109,107 31.7% 0 0.0% 343,656 -2 19.27%
1964 G 69% Warren Hearnes (D) 183,648 53.2% Ethan Shepley (R) 161,737 46.8% 0 0.0% 345,385 9 19.30%
1962 S3 53% Edward Long* (D) 128,001 51.8% Crosby Kemper (R) 119,172 48.2% 0 0.0% 247,173 3 20.22%
1960 S3 72% Edward Long (D) 161,371 50.8% Lon Hocker (R) 156,271 49.2% 0 0.0% 317,642 2 16.89%
1960 G 73% John Dalton (D) 190,673 59.9% Edward Farmer (R) 127,801 40.1% 0 0.0% 318,474 -2 16.87%
*: 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 St. Louis County, MO

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 MO01Cori Bush* (D) 97,259 70.7% Andrew Jones (R) 36,594 26.6% 3,778 2.7% 137,631
2022-11-08 MO02Ann Wagner* (R) 116,016 50.3% Trish Gunby (D) 110,249 47.8% 4,292 1.9% 230,557
County Total for 2022-11-08:   368,188
2020-11-03 MO01Cori Bush (D) 144,320 77.9% Anthony Rogers (R) 36,761 19.8% 4,196 2.3% 185,277
2020-11-03 MO02Ann Wagner* (R) 174,284 50.2% Jill Schupp (D) 165,537 47.6% 7,696 2.2% 347,517
County Total for 2020-11-03:   532,794
2018-11-06 MO01Lacy Clay* (D) 127,063 78.7% Robert Vroman (R) 29,476 18.3% 4,904 3.0% 161,443
2018-11-06 MO02Ann Wagner* (R) 145,185 49.6% Cort Van Ostran (D) 143,610 49.0% 4,211 1.4% 293,006
County Total for 2018-11-06:   454,449
2016-11-08 MO01Lacy Clay* (D) 138,319 74.3% Steven Bailey (R) 39,761 21.4% 8,028 4.3% 186,108
2016-11-08 MO02Ann Wagner* (R) 183,711 57.3% Bill Otto (D) 125,403 39.1% 11,333 3.5% 320,447
County Total for 2016-11-08:   506,555
2014-11-04 MO01Lacy Clay* (D) 74,807 71.4% Daniel Elder (R) 24,676 23.6% 5,243 5.0% 104,726
2014-11-04 MO02Ann Wagner* (R) 117,937 63.5% Arthur Lieber (D) 62,224 33.5% 5,571 3.0% 185,732
County Total for 2014-11-04:   290,458
2012-11-06 MO01Lacy Clay* (D) 155,804 77.0% Robyn Hamlin (R) 39,745 19.6% 6,752 3.3% 202,301
2012-11-06 MO02Ann Wagner (R) 184,414 59.7% Glenn Koenen (D) 116,258 37.6% 8,293 2.7% 308,965
County Total for 2012-11-06:   511,266
2010-11-02 MO01Lacy Clay* (D) 97,933 68.4% Robyn Hamlin (R) 40,772 28.5% 4,476 3.1% 143,181
2010-11-02 MO02Todd Akin* (R) 99,934 68.6% Arthur Lieber (D) 42,100 28.9% 3,569 2.5% 145,603
2010-11-02 MO03Russ Carnahan* (D) 40,180 48.6% Ed Martin (R) 39,878 48.2% 2,632 3.2% 82,690
County Total for 2010-11-02:   371,474
2008-11-04 MO01Lacy Clay* (D) 173,378 84.5% Robb Cunningham (Libertarian) 31,902 15.5% 5 0.0% 205,285
2008-11-04 MO02Todd Akin* (R) 128,152 65.1% Bill Haas (D) 64,382 32.7% 4,386 2.2% 196,920
2008-11-04 MO03Russ Carnahan* (D) 74,230 63.4% Chris Sander (R) 39,767 34.0% 3,000 2.6% 116,997
County Total for 2008-11-04:   519,202
2006-11-07 MO01Lacy Clay* (D) 104,513 68.2% Mark Byrne (R) 44,829 29.3% 3,836 2.5% 153,178
2006-11-07 MO02Todd Akin* (R) 101,951 63.7% George Weber (D) 54,949 34.4% 3,066 1.9% 159,966
2006-11-07 MO03Russ Carnahan* (D) 57,034 62.6% David Bertelsen (R) 31,882 35.0% 2,254 2.5% 91,170
County Total for 2006-11-07:   404,314
2004-11-02 MO01Lacy Clay* (D) 152,295 70.4% Leslie Farr (R) 59,858 27.7% 4,281 2.0% 216,434
2004-11-02 MO02Todd Akin* (R) 132,634 68.0% George Weber (D) 59,388 30.5% 2,941 1.5% 194,963
2004-11-02 MO03Russ Carnahan (D) 62,165 52.4% Bill Federer (R) 54,467 45.9% 1,991 1.7% 118,623
County Total for 2004-11-02:   530,020
2002-11-05 MO01Lacy Clay* (D) 94,852 64.0% Richard Schwadron (R) 48,901 33.0% 4,563 3.1% 148,316
2002-11-05 MO02Todd Akin* (R) 104,285 70.6% John Hogan (D) 41,074 27.8% 2,267 1.5% 147,626
2002-11-05 MO03Dick Gephardt* (D) 48,693 55.1% Catherine Enz (R) 38,278 43.3% 1,479 1.7% 88,450
County Total for 2002-11-05:   384,392
2000-11-07 MO01Lacy Clay (D) 93,118 68.6% Dwight Billingsly (R) 37,572 27.7% 5,004 3.7% 135,694
2000-11-07 MO02Todd Akin (R) 134,933 57.2% Ted House (D) 95,573 40.5% 5,557 2.4% 236,063
2000-11-07 MO03Dick Gephardt* (D) 58,607 53.1% Bill Federer (R) 49,253 44.6% 2,542 2.3% 110,402
County Total for 2000-11-07:   482,159
1998-11-03 MO01William Clay* (D) 58,049 65.5% Richmond Soulade (R) 27,607 31.2% 2,935 3.3% 88,591
1998-11-03 MO02Jim Talent* (R) 113,554 70.1% John Ross (D) 45,795 28.3% 2,605 1.6% 161,954
1998-11-03 MO03Dick Gephardt* (D) 40,238 49.6% Bill Federer (R) 39,492 48.7% 1,416 1.7% 81,146
County Total for 1998-11-03:   331,691
1996-11-05 MO01William Clay* (D) 78,115 61.3% Daniel O'Sullivan (R) 46,122 36.2% 3,113 2.4% 127,350
1996-11-05 MO02Jim Talent* (R) 132,100 61.4% Joan Kelly Horn (D) 80,002 37.2% 3,060 1.4% 215,162
1996-11-05 MO03Dick Gephardt* (D) 52,698 52.3% Debbie Wheelehan (R) 46,440 46.1% 1,656 1.6% 100,794
County Total for 1996-11-05:   443,306
1994-11-08 MO01William Clay* (D) 58,655 54.2% Donald Counts (R) 45,321 41.9% 4,251 3.9% 108,227
1994-11-08 MO02Jim Talent* (R) 123,383 67.4% Patrick Kelly (D) 55,977 30.6% 3,596 2.0% 182,956
1994-11-08 MO03Dick Gephardt* (D) 48,214 52.6% Gary Gill (R) 41,481 45.3% 1,886 2.1% 91,581
County Total for 1994-11-08:   382,764
1992-11-03 MO01William Clay* (D) 95,680 59.5% Arthur Montgomery (R) 65,009 40.5% 0 0.0% 160,689
1992-11-03 MO02Jim Talent (R) 128,057 51.3% Joan Kelly Horn* (D) 117,266 46.9% 4,512 1.8% 249,835
1992-11-03 MO03Dick Gephardt* (D) 69,401 58.7% Mack Holekamp (R) 46,179 39.0% 2,716 2.3% 118,296
County Total for 1992-11-03:   528,820
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for St. Louis County, MO

Party registration is not used in this state, however as of 2022 registrations in St. Louis County, MO were estimated to be 39% Republican and 53% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 732,592 0 0.0% 0 0.0% 732,592 100.0% n/a n/a 95%
2020 759,234 0 0.0% 0 0.0% 759,234 100.0% n/a n/a 98%
2018 752,258 0 0.0% 0 0.0% 752,258 100.0% n/a n/a 98%
2016 764,692 0 0.0% 0 0.0% 764,692 100.0% n/a n/a 99%
2014 748,126 0 0.0% 0 0.0% 748,126 100.0% n/a n/a 97%
2012 763,982 0 0.0% 0 0.0% 763,982 100.0% n/a n/a 100%
2010 748,526 0 0.0% 0 0.0% 748,526 100.0% n/a n/a 98%
2008 796,979 0 0.0% 0 0.0% 796,979 100.0% n/a n/a 104%
2006 738,775 0 0.0% 0 0.0% 738,775 100.0% n/a n/a 97%
2004 736,709 0 0.0% 0 0.0% 736,709 100.0% n/a n/a 97%
2002 618,149 0 0.0% 0 0.0% 618,149 100.0% n/a n/a 81%
2000 726,325 0 0.0% 0 0.0% 726,325 100.0% n/a n/a 96%
1994 589,527 0 0.0% 0 0.0% 589,527 100.0% n/a n/a 78%
1986 557,678 0 0.0% 0 0.0% 557,678 100.0% 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.