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St. Charles County, MO


Metropolitan Statistical Area: St. Louis, MO-IL
Designated Market Area: St. Louis, MO-IL
USDA County Type (2015): Retirement Destination
American Communities Project County Type (2023): Exurbs

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

 

Tracts in St. Charles County, MO

   



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

2022 population: 413,803   ( 53,318 from 2010 , 8,541 from 2020)
Land area: 560.5 square miles
Population density: 738.3 persons per square mile

2022 Census data
White:351,905 85.04% 9.6%
Black:23,9875.80% 61.8%
Indian:6530.16% 5.6%
Asian:12,9643.13% 63.2%
2+ races:8,7252.11% 57.6%
Hispanic:15,5693.76% 56.0%
Total non-White:61,89814.96% 57.1%

2020-2022 ComponentsNumberRate
Births:9,291 11.5
Deaths:8,47010.5
Net Migration: 6,7068.3
Net Immigration: 1,0281.3
Change in White population:30,827 8.6
Change in Non-White pop.:22,491 6.2



Historical Presidential Election Results for St. Charles County, MO

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +2,199 D +497 D + 0.6%
D +2,696
2024 vs. 2016 R +8,938 D +14,662 D + 10.6%
D +23,600
2020 vs. 2016 R +6,739 D +14,165 D + 10.0%
D +20,904
2024 vs. 2012 R +19,804 D +584 D + 4.1%
D +20,388
2016 vs. 2008 R +19,100 R +34,657 R + 18.0%
D -15,557
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 72% Donald Trump (R) 130,588 57.4% Kamala Harris (D) 92,226 40.6% 4,594 [+] 2.0% 227,408 -1 8 7.57%
2020 70% Donald Trump* (R) 128,389 57.7% Joe Biden (D) 89,530 40.2% 4,647 [+] 2.1% 222,566 1 11 7.34%
2016 69% Donald Trump (R) 121,650 59.9% Hillary Clinton (D) 68,626 33.8% 12,908 [+] 6.4% 203,184 3 14 7.18%
2012 67% Mitt Romney (R) 110,784 59.4% Barack Obama* (D) 71,838 38.5% 3,744 [+] 2.0% 186,366 6 12 6.74%
2008 74% John McCain (R) 102,550 54.3% Barack Obama (D) 84,183 44.6% 2,224 [+] 1.2% 188,957 5 9 6.45%
2004 72% George W. Bush* (R) 95,826 58.6% John Kerry (D) 66,855 40.9% 807 [+] 0.5% 163,488 5 8 5.99%
2000 64% George W. Bush (R) 72,114 56.0% Albert Gore, Jr. (D) 53,806 41.8% 2,766 [+] 2.1% 128,686 6 8 5.45%
1996 57% Robert Dole (R) 47,705 46.7% Bill Clinton* (D) 41,369 40.5% 13,172 [+] 12.9% 102,246 5 6 4.74%
1992 67% George Bush* (R) 38,673 36.3% Bill Clinton (D) 37,263 35.0% 30,627 [+] 28.7% 106,563 2 -1 4.46%
1988 58% George Bush (R) 50,005 62.9% Michael Dukakis (D) 29,286 36.8% 257 [+] 0.3% 79,548 11 9 3.80%
1984 56% Ronald Reagan* (R) 47,784 73.1% Walter Mondale (D) 17,617 26.9% 0 0.0% 65,401 13 14 3.08%
1980 62% Ronald Reagan (R) 36,050 60.3% Jimmy Carter* (D) 20,668 34.6% 3,050 [+] 5.1% 59,768 9 10 2.85%
1976 63% Gerald Ford* (R) 26,105 53.6% Jimmy Carter (D) 22,063 45.3% 536 [+] 1.1% 48,704 6 6 2.49%
1972 57% Richard Nixon* (R) 25,677 69.6% George McGovern (D) 11,034 29.9% 157 [+] 0.4% 36,868 8 9 1.98%
1968 61% Richard Nixon (R) 13,533 45.6% Hubert Humphrey (D) 10,374 35.0% 5,752 [+] 19.4% 29,659 1 2 1.64%
1964 60% Lyndon Johnson* (D) 14,530 61.7% Barry Goldwater (R) 9,020 38.3% 0 0.0% 23,550 2 0 1.30%
1960 75% John Kennedy (D) 11,890 52.2% Richard Nixon (R) 10,888 47.8% 0 0.0% 22,778 -2 -2 1.18%
1956 64% Dwight Eisenhower* (R) 9,462 55.4% Adlai Stevenson (D) 7,618 44.6% 0 0.0% 17,080 6 -2 0.93%
1952 71% Dwight Eisenhower (R) 8,451 56.5% Adlai Stevenson (D) 6,493 43.4% 20 0.1% 14,964 6 1 0.79%
1948 69% Harry Truman* (D) 6,049 50.1% Thomas Dewey (R) 5,976 49.5% 39 [+] 0.3% 12,064 8 4 0.76%
1944 73% Thomas Dewey (R) 7,050 58.9% Franklin Roosevelt* (D) 4,880 40.8% 36 0.3% 11,966 10 13 0.76%
1940 85% Wendell Willkie (R) 7,792 59.1% Franklin Roosevelt* (D) 5,334 40.5% 50 0.4% 13,176 12 14 0.72%
1936 84% Franklin Roosevelt* (D) 5,903 48.9% Alf Landon (R) 5,156 42.7% 1,009 [+] 8.4% 12,068 5 6 0.66%
1932 76% Franklin Roosevelt (D) 6,911 64.4% Herbert Hoover* (R) 3,664 34.1% 162 [+] 1.5% 10,737 -1 -5 0.67%
1928 80% Herbert Hoover (R) 5,404 51.4% Al Smith (D) 5,081 48.4% 22 [+] 0.2% 10,507 -4 -7 0.70%
1924 62% Calvin Coolidge (R) 4,668 59.1% John Davis (D) 2,364 29.9% 865 [+] 11.0% 7,897 10 5 0.60%
1920 74% Warren Harding (R) 6,645 72.1% James Cox (D) 2,472 26.8% 96 [+] 1.0% 9,213 18 12 0.69%
1916 44% Charles Evans Hughes (R) 3,518 64.2% Woodrow Wilson* (D) 1,914 34.9% 51 [+] 0.9% 5,483 17 18 0.70%
1912 37% William Taft* (R) 2,350 49.0% Woodrow Wilson (D) 1,792 37.4% 654 [+] 13.6% 4,796 19 26 0.69%
1908 46% William Taft (R) 3,480 62.8% William J. Bryan (D) 1,979 35.7% 79 [+] 1.4% 5,538 14 11 0.77%
1904 42% Theodore Roosevelt (R) 3,202 62.9% Alton Parker (D) 1,788 35.1% 100 [+] 2.0% 5,090 13 7 0.79%
1900 48% William McKinley* (R) 3,324 58.1% William J. Bryan (D) 2,343 41.0% 54 [+] 0.9% 5,721 12 7 0.84%
* incumbent         PSV: percent of state vote



2020 President, St. Charles County, MO
CandidateVotesPct
Joe Biden (D) 89,530 40.2%
Donald Trump* (R) 128,389 57.7%
Jo Jorgensen (Lbt) 3,317 1.5%
Other 1,330 0.6%
TOTAL 222,566
Turnout: 70% Diff (St): 1 Diff (US): 11


2016 President, St. Charles County, MO
CandidateVotesPct
Hillary Clinton (D) 68,626 33.8%
Donald Trump (R) 121,650 59.9%
Gary Johnson (Lbt) 7,964 3.9%
Jill Stein (Grn) 1,698 0.8%
Evan McMullin (I) 266 0.1%
Other 2,980 1.5%
TOTAL 203,184
Turnout: 69% Diff (St): 3 Diff (US): 14


2012 President, St. Charles County, MO
CandidateVotesPct
Barack Obama* (D) 71,838 38.5%
Mitt Romney (R) 110,784 59.4%
Gary Johnson (Lbt) 2,709 1.5%
Other 1,035 0.6%
TOTAL 186,366
Turnout: 67% Diff (St): 6 Diff (US): 12


2008 President, St. Charles County, MO
CandidateVotesPct
Barack Obama (D) 84,183 44.6%
John McCain (R) 102,550 54.3%
Ralph Nader (I) 858 0.5%
Bob Barr (Lbt) 598 0.3%
Other 768 0.4%
TOTAL 188,957
Turnout: 74% Diff (St): 5 Diff (US): 9


2004 President, St. Charles County, MO
CandidateVotesPct
George W. Bush* (R) 95,826 58.6%
John Kerry (D) 66,855 40.9%
Other 807 0.5%
TOTAL 163,488
Turnout: 72% Diff (St): 5 Diff (US): 8


2000 President, St. Charles County, MO
CandidateVotesPct
George W. Bush (R) 72,114 56.0%
Albert Gore, Jr. (D) 53,806 41.8%
Ralph Nader (Grn) 1,900 1.5%
Pat Buchanan (Ref) 330 0.3%
Other 536 0.4%
TOTAL 128,686
Turnout: 64% Diff (St): 6 Diff (US): 8


1996 President, St. Charles County, MO
CandidateVotesPct
Bill Clinton* (D) 41,369 40.5%
Robert Dole (R) 47,705 46.7%
Ross Perot (Ref) 11,591 11.3%
Harry Browne (Lbt) 521 0.5%
Other 1,060 1.0%
TOTAL 102,246
Turnout: 57% Diff (St): 5 Diff (US): 6


1992 President, St. Charles County, MO
CandidateVotesPct
Bill Clinton (D) 37,263 35.0%
George Bush* (R) 38,673 36.3%
Ross Perot (I) 30,351 28.5%
Other 276 0.3%
TOTAL 106,563
Turnout: 67% Diff (St): 2 Diff (US): -1


1988 President, St. Charles County, MO
CandidateVotesPct
George Bush (R) 50,005 62.9%
Michael Dukakis (D) 29,286 36.8%
Other 257 0.3%
TOTAL 79,548
Turnout: 58% Diff (St): 11 Diff (US): 9


1984 President, St. Charles County, MO
CandidateVotesPct
Ronald Reagan* (R) 47,784 73.1%
Walter Mondale (D) 17,617 26.9%
TOTAL 65,401
Turnout: 56% Diff (St): 13 Diff (US): 14


1980 President, St. Charles County, MO
CandidateVotesPct
Ronald Reagan (R) 36,050 60.3%
Jimmy Carter* (D) 20,668 34.6%
John Anderson (I) 2,494 4.2%
Edward Clark (Lbt) 515 0.9%
Other 41 0.1%
TOTAL 59,768
Turnout: 62% Diff (St): 9 Diff (US): 10


1976 President, St. Charles County, MO
CandidateVotesPct
Jimmy Carter (D) 22,063 45.3%
Gerald Ford* (R) 26,105 53.6%
Eugene McCarthy (I) 536 1.1%
TOTAL 48,704
Turnout: 63% Diff (St): 6 Diff (US): 6


1972 President, St. Charles County, MO
CandidateVotesPct
Richard Nixon* (R) 25,677 69.6%
George McGovern (D) 11,034 29.9%
Other 157 0.4%
TOTAL 36,868
Turnout: 57% Diff (St): 8 Diff (US): 9


1968 President, St. Charles County, MO
CandidateVotesPct
Richard Nixon (R) 13,533 45.6%
Hubert Humphrey (D) 10,374 35.0%
George Wallace (AIP) 5,752 19.4%
TOTAL 29,659
Turnout: 61% Diff (St): 1 Diff (US): 2


1964 President, St. Charles County, MO
CandidateVotesPct
Lyndon Johnson* (D) 14,530 61.7%
Barry Goldwater (R) 9,020 38.3%
TOTAL 23,550
Turnout: 60% Diff (St): 2 Diff (US): 0


1960 President, St. Charles County, MO
CandidateVotesPct
John Kennedy (D) 11,890 52.2%
Richard Nixon (R) 10,888 47.8%
TOTAL 22,778
Turnout: 75% Diff (St): -2 Diff (US): -2


1956 President, St. Charles County, MO
CandidateVotesPct
Dwight Eisenhower* (R) 9,462 55.4%
Adlai Stevenson (D) 7,618 44.6%
TOTAL 17,080
Turnout: 64% Diff (St): 6 Diff (US): -2


1952 President, St. Charles County, MO
CandidateVotesPct
Dwight Eisenhower (R) 8,451 56.5%
Adlai Stevenson (D) 6,493 43.4%
Other 20 0.1%
TOTAL 14,964
Turnout: 71% Diff (St): 6 Diff (US): 1


1948 President, St. Charles County, MO
CandidateVotesPct
Harry Truman* (D) 6,049 50.1%
Thomas Dewey (R) 5,976 49.5%
Henry Wallace (Prog) 23 0.2%
Other 16 0.1%
TOTAL 12,064
Turnout: 69% Diff (St): 8 Diff (US): 4


1944 President, St. Charles County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 4,880 40.8%
Thomas Dewey (R) 7,050 58.9%
Other 36 0.3%
TOTAL 11,966
Turnout: 73% Diff (St): 10 Diff (US): 13


1940 President, St. Charles County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 5,334 40.5%
Wendell Willkie (R) 7,792 59.1%
Other 50 0.4%
TOTAL 13,176
Turnout: 85% Diff (St): 12 Diff (US): 14


1936 President, St. Charles County, MO
CandidateVotesPct
Franklin Roosevelt* (D) 5,903 48.9%
Alf Landon (R) 5,156 42.7%
William Lemke (Union) 901 7.5%
Norman Thomas (Soc) 100 0.8%
Other 8 0.1%
TOTAL 12,068
Turnout: 84% Diff (St): 5 Diff (US): 6


1932 President, St. Charles County, MO
CandidateVotesPct
Franklin Roosevelt (D) 6,911 64.4%
Herbert Hoover* (R) 3,664 34.1%
Norman Thomas (Soc) 153 1.4%
Other 9 0.1%
TOTAL 10,737
Turnout: 76% Diff (St): -1 Diff (US): -5


1928 President, St. Charles County, MO
CandidateVotesPct
Herbert Hoover (R) 5,404 51.4%
Al Smith (D) 5,081 48.4%
Norman Thomas (Soc) 16 0.2%
Other 6 0.1%
TOTAL 10,507
Turnout: 80% Diff (St): -4 Diff (US): -7


1924 President, St. Charles County, MO
CandidateVotesPct
Calvin Coolidge (R) 4,668 59.1%
John Davis (D) 2,364 29.9%
Robert LaFollette (Prog) 850 10.8%
Other 15 0.2%
TOTAL 7,897
Turnout: 62% Diff (St): 10 Diff (US): 5


1920 President, St. Charles County, MO
CandidateVotesPct
Warren Harding (R) 6,645 72.1%
James Cox (D) 2,472 26.8%
Other 96 1.0%
TOTAL 9,213
Turnout: 74% Diff (St): 18 Diff (US): 12


1916 President, St. Charles County, MO
CandidateVotesPct
Woodrow Wilson* (D) 1,914 34.9%
Charles Evans Hughes (R) 3,518 64.2%
Allan Benson (Soc) 33 0.6%
James Hanly (Proh) 12 0.2%
Other 6 0.1%
TOTAL 5,483
Turnout: 44% Diff (St): 17 Diff (US): 18


1912 President, St. Charles County, MO
CandidateVotesPct
Woodrow Wilson (D) 1,792 37.4%
Theodore Roosevelt (Prog) 525 10.9%
William Taft* (R) 2,350 49.0%
Eugene Debs (Soc) 105 2.2%
Eugene Chafin (Proh) 13 0.3%
Other 11 0.2%
TOTAL 4,796
Turnout: 37% Diff (St): 19 Diff (US): 26


1908 President, St. Charles County, MO
CandidateVotesPct
William Taft (R) 3,480 62.8%
William J. Bryan (D) 1,979 35.7%
Eugene Debs (Soc) 42 0.8%
Eugene Chafin (Proh) 19 0.3%
Thomas Hisgen (I) 8 0.1%
Other 10 0.2%
TOTAL 5,538
Turnout: 46% Diff (St): 14 Diff (US): 11


1904 President, St. Charles County, MO
CandidateVotesPct
Theodore Roosevelt (R) 3,202 62.9%
Alton Parker (D) 1,788 35.1%
Eugene Debs (Soc) 53 1.0%
Silas Swallow (Proh) 25 0.5%
Thomas Watson (Pop) 7 0.1%
Other 15 0.3%
TOTAL 5,090
Turnout: 42% Diff (St): 13 Diff (US): 7


1900 President, St. Charles County, MO
CandidateVotesPct
William McKinley* (R) 3,324 58.1%
William J. Bryan (D) 2,343 41.0%
John Woolley (Proh) 14 0.2%
Eugene Debs (Soc) 34 0.6%
Other 6 0.1%
TOTAL 5,721
Turnout: 48% Diff (St): 12 Diff (US): 7
* incumbent

Historical Statewide Election Results for St. Charles County, MO

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 71% Josh Hawley* (R) 121,368 54.2% Lucas Kunce (D) 97,175 43.4% 5,573 [+] 2.5% 224,116 -1 7.54%
2024 G 70% Mike Kehoe (R) 132,563 59.5% Crystal Quade (D) 85,628 38.4% 4,561 [+] 2.0% 222,752 0 7.52%
2022 S3 48% Eric Schmitt (R) 83,559 55.3% Trudy Busch-Valentine (D) 64,552 42.8% 2,868 [+] 1.9% 150,979 0 7.30%
2020 G 69% Mike Parson* (R) 128,046 58.1% Nicole Galloway (D) 87,713 39.8% 4,600 [+] 2.1% 220,359 1 7.32%
2018 S1 58% Josh Hawley (R) 93,172 52.9% Claire McCaskill* (D) 77,973 44.3% 4,960 [+] 2.8% 176,105 2 7.21%
2016 S3 68% Roy Blunt* (R) 103,946 51.8% Jason Kander (D) 88,238 44.0% 8,565 [+] 4.3% 200,749 3 7.16%
2016 G 69% Eric Greitens (R) 109,741 54.5% Chris Koster (D) 85,704 42.6% 5,836 [+] 2.9% 201,281 3 7.18%
2012 S1 66% Claire McCaskill* (D) 90,040 49.1% Todd Akin (R) 82,319 44.9% 10,932 [+] 6.0% 183,291 6 6.72%
2012 G 66% Jay Nixon* (D) 89,860 49.0% Dave Spence (R) 89,144 48.6% 4,487 [+] 2.4% 183,491 6 6.73%
2010 S3 47% Roy Blunt (R) 73,697 59.2% Robin Carnahan (D) 43,960 35.3% 6,859 [+] 5.5% 124,516 5 6.41%
2008 G 73% Jay Nixon (D) 99,705 53.8% Kenny Hulshof (R) 82,440 44.5% 3,058 [+] 1.7% 185,203 5 6.44%
2006 S1 55% Jim Talent* (R) 71,771 53.6% Claire McCaskill (D) 59,408 44.4% 2,652 [+] 2.0% 133,831 6 6.29%
2004 S3 71% Christopher Bond* (R) 97,631 60.0% Nancy Farmer (D) 63,545 39.0% 1,581 [+] 1.0% 162,757 4 6.01%
2004 G 72% Matt Blunt (R) 91,323 55.9% Claire McCaskill (D) 70,184 43.0% 1,865 [+] 1.1% 163,372 5 6.01%
2002 S1 49% Jim Talent (R) 60,528 57.3% Jean Carnahan* (D) 43,917 41.5% 1,254 [+] 1.2% 105,699 7 5.63%
2000 S1 63% John Ashcroft* (R) 70,396 55.0% Mel Carnahan (D) 56,226 43.9% 1,474 [+] 1.2% 128,096 7 5.42%
2000 G 65% Jim Talent (R) 74,357 56.9% Bob Holden (D) 50,415 38.6% 5,814 [+] 4.5% 130,586 9 5.56%
1998 S3 42% Christopher Bond* (R) 42,569 53.6% Jay Nixon (D) 31,632 39.8% 5,260 [+] 6.6% 79,461 1 5.04%
1996 G 54% Margaret Kelly (R) 47,886 49.5% Mel Carnahan* (D) 46,462 48.0% 2,424 [+] 2.5% 96,772 9 4.52%
1994 S1 48% John Ashcroft (R) 53,734 66.3% Alan Wheat (D) 23,783 29.4% 3,487 [+] 4.3% 81,004 7 4.56%
1992 S3 66% Christopher Bond* (R) 61,322 58.1% Geri Rothman-Serot (D) 40,887 38.7% 3,400 [+] 3.2% 105,609 6 4.48%
1992 G 66% Mel Carnahan (D) 58,012 55.5% William Webster (R) 46,585 44.5% 0 0.0% 104,597 3 4.46%
1988 S1 58% John Danforth* (R) 61,342 76.9% Jay Nixon (D) 18,049 22.6% 423 [+] 0.5% 79,814 9 3.84%
1988 G 58% John Ashcroft* (R) 58,376 73.1% Betty Hearnes (D) 20,793 26.0% 673 [+] 0.8% 79,842 9 3.83%
1986 S3 37% Christopher Bond (R) 29,442 61.8% Harriett Woods (D) 18,159 38.1% 3 [+] 0.0% 47,604 9 3.22%
1984 G 56% John Ashcroft (R) 41,222 63.0% Kenneth Rothman (D) 24,220 37.0% 0 0.0% 65,442 6 3.10%
1982 S1 37% John Danforth* (R) 24,974 63.0% Harriett Woods (D) 14,674 37.0% 0 0.0% 39,648 12 2.57%
1980 S3 60% Gene McNary (R) 31,743 55.4% Thomas Eagleton* (D) 25,376 44.3% 190 [+] 0.3% 57,309 8 2.77%
1980 G 62% Christopher Bond (R) 33,369 56.1% Joseph Teasdale* (D) 25,924 43.6% 221 [+] 0.4% 59,514 3 2.85%
1976 S1 62% John Danforth (R) 29,001 59.9% Warren Hearnes (D) 19,244 39.7% 179 [+] 0.4% 48,424 3 2.53%
1976 G 63% Christopher Bond* (R) 25,646 52.8% Joseph Teasdale (D) 22,916 47.2% 37 [+] 0.1% 48,599 3 2.51%
1974 S3 38% Thomas Eagleton* (D) 15,626 58.0% Thomas Curtis (R) 10,984 40.8% 318 [+] 1.2% 26,928 2 2.20%
1972 G 58% Christopher Bond (R) 21,667 58.1% Eugene Dowd (D) 15,558 41.7% 86 [+] 0.2% 37,311 3 2.00%
1970 S1 42% Stuart Symington* (D) 11,295 49.6% John Danforth (R) 10,987 48.3% 468 [+] 2.1% 22,750 0 1.77%
1968 S3 59% Thomas Curtis (R) 15,771 54.8% Thomas Eagleton (D) 12,983 45.2% 0 0.0% 28,754 6 1.65%
1968 G 60% Warren Hearnes* (D) 19,128 66.0% Lawrence Roos (R) 9,866 34.0% 0 0.0% 28,994 -5 1.64%
1964 S1 59% Stuart Symington* (D) 16,255 70.0% Jean Paul Bradshaw (R) 6,958 30.0% 0 0.0% 23,213 -3 1.30%
1964 G 59% Warren Hearnes (D) 13,222 56.9% Ethan Shepley (R) 10,035 43.1% 0 0.0% 23,257 5 1.30%
1962 S3 41% Edward Long* (D) 7,630 54.0% Crosby Kemper (R) 6,508 46.0% 0 0.0% 14,138 1 1.16%
1960 S3 74% Edward Long (D) 11,858 53.1% Lon Hocker (R) 10,489 46.9% 0 0.0% 22,347 0 1.19%
1960 G 73% John Dalton (D) 12,653 57.0% Edward Farmer (R) 9,555 43.0% 0 0.0% 22,208 1 1.18%
*: 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. Charles County, MO

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 MO02Ann Wagner* (R) 36,153 61.7% Ray Hartmann (D) 20,592 35.2% 1,809 3.1% 58,554
2024-11-05 MO03Bob Onder (R) 90,168 56.4% Bethany Mann (D) 65,182 40.8% 4,481 2.8% 159,831
County Total for 2024-11-05:   218,385
2022-11-08 MO02Ann Wagner* (R) 24,506 62.6% Trish Gunby (D) 13,754 35.1% 903 2.3% 39,163
2022-11-08 MO03Blaine Luetkemeyer* (R) 66,117 59.9% Bethany Mann (D) 44,243 40.1% 0 0.0% 110,360
County Total for 2022-11-08:   149,523
2020-11-03 MO02Ann Wagner* (R) 45,941 57.4% Jill Schupp (D) 31,239 39.0% 2,821 3.5% 80,001
2020-11-03 MO03Blaine Luetkemeyer* (R) 84,071 61.8% Megan Rezabek (D) 49,315 36.3% 2,633 1.9% 136,019
County Total for 2020-11-03:   216,020
2018-11-06 MO02Ann Wagner* (R) 37,875 57.5% Cort Van Ostran (D) 26,782 40.6% 1,260 1.9% 65,917
2018-11-06 MO03Blaine Luetkemeyer* (R) 61,751 57.8% Katy Geppert (D) 43,070 40.3% 2,062 1.9% 106,883
County Total for 2018-11-06:   172,800
2016-11-08 MO02Ann Wagner* (R) 46,313 63.2% Bill Otto (D) 23,744 32.4% 3,246 4.4% 73,303
2016-11-08 MO03Blaine Luetkemeyer* (R) 75,623 62.7% Kevin Miller (D) 39,557 32.8% 5,385 4.5% 120,565
County Total for 2016-11-08:   193,868
2014-11-04 MO02Ann Wagner* (R) 24,266 67.9% Arthur Lieber (D) 9,913 27.8% 1,534 4.3% 35,713
2014-11-04 MO03Blaine Luetkemeyer* (R) 38,033 64.9% Courtney Denton (D) 17,756 30.3% 2,800 4.8% 58,589
County Total for 2014-11-04:   94,302
2012-11-06 MO02Ann Wagner (R) 42,581 63.1% Glenn Koenen (D) 22,653 33.6% 2,285 3.4% 67,519
2012-11-06 MO03Blaine Luetkemeyer* (R) 63,487 59.2% Eric Mayer (D) 39,738 37.1% 3,975 3.7% 107,200
County Total for 2012-11-06:   174,719
2010-11-02 MO02Todd Akin* (R) 69,760 67.1% Arthur Lieber (D) 30,773 29.6% 3,383 3.3% 103,916
2010-11-02 MO09Blaine Luetkemeyer* (R) 14,638 80.6% Christopher Dwyer (Libertarian) 3,523 19.4% 3 0.0% 18,164
County Total for 2010-11-02:   122,080
2008-11-04 MO02Todd Akin* (R) 91,343 59.5% Bill Haas (D) 58,417 38.1% 3,667 2.4% 153,427
2008-11-04 MO09Blaine Luetkemeyer (R) 15,230 58.5% Judy Baker (D) 10,303 39.6% 513 2.0% 26,046
County Total for 2008-11-04:   179,473
2006-11-07 MO02Todd Akin* (R) 65,418 59.0% George "Boots" Weber (D) 43,040 38.8% 2,373 2.1% 110,831
2006-11-07 MO09Kenny Hulshof* (R) 11,819 63.4% Duane Burghard (D) 6,248 33.5% 568 3.0% 18,635
County Total for 2006-11-07:   129,466
2004-11-02 MO02Todd Akin* (R) 84,500 62.3% George "Boots" Weber (D) 48,684 35.9% 2,441 1.8% 135,625
2004-11-02 MO09Kenny Hulshof* (R) 15,208 67.1% Linda Jacobsen (D) 7,141 31.5% 331 1.5% 22,680
County Total for 2004-11-02:   158,305
2002-11-05 MO02Todd Akin* (R) 55,208 62.9% John Hogan (D) 30,705 35.0% 1,877 2.1% 87,790
2002-11-05 MO09Kenny Hulshof* (R) 10,706 70.0% Don Deichman (D) 4,281 28.0% 313 2.0% 15,300
County Total for 2002-11-05:   103,090
2000-11-07 MO02Ted House (D) 30,868 49.8% Todd Akin (R) 29,993 48.4% 1,138 1.8% 61,999
2000-11-07 MO09Kenny Hulshof* (R) 37,692 60.4% Steven Carroll (D) 23,152 37.1% 1,558 2.5% 62,402
County Total for 2000-11-07:   124,401
1998-11-03 MO02Jim Talent* (R) 28,759 69.6% John Ross (D) 11,770 28.5% 776 1.9% 41,305
1998-11-03 MO09Kenny Hulshof* (R) 22,062 63.3% Linda Vogt (D) 11,830 34.0% 936 2.7% 34,828
County Total for 1998-11-03:   76,133
1996-11-05 MO02Jim Talent* (R) 33,899 61.0% Joan Kelly Horn (D) 20,370 36.7% 1,295 2.3% 55,564
1996-11-05 MO09Kenny Hulshof (R) 23,277 51.8% Harold Volkmer* (D) 20,242 45.0% 1,424 3.2% 44,943
County Total for 1996-11-05:   100,507
1994-11-08 MO02Jim Talent* (R) 31,499 66.6% Patrick Kelly (D) 14,503 30.6% 1,329 2.8% 47,331
1994-11-08 MO09Harold Volkmer* (D) 15,208 49.9% Kenny Hulshof (R) 14,249 46.7% 1,030 3.4% 30,487
County Total for 1994-11-08:   77,818
1992-11-03 MO02Joan Kelly Horn* (D) 31,463 50.3% Jim Talent (R) 29,537 47.2% 1,607 2.6% 62,607
1992-11-03 MO09Harold Volkmer* (D) 22,040 51.1% Rick Hardy (R) 17,664 40.9% 3,464 8.0% 43,168
County Total for 1992-11-03:   105,775
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for St. Charles County, MO

Party registration is not used in this state, however as of 2022 registrations in St. Charles County, MO were estimated to be 66% Republican and 15% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 301,134 0 0.0% 0 0.0% 301,134 100.0% n/a n/a 105%
2022 288,997 0 0.0% 0 0.0% 288,997 100.0% n/a n/a 91%
2020 290,894 0 0.0% 0 0.0% 290,894 100.0% n/a n/a 92%
2018 274,855 0 0.0% 0 0.0% 274,855 100.0% n/a n/a 89%
2016 295,391 0 0.0% 0 0.0% 295,391 100.0% n/a n/a 99%
2014 255,582 0 0.0% 0 0.0% 255,582 100.0% n/a n/a 89%
2012 256,404 0 0.0% 0 0.0% 256,404 100.0% n/a n/a 92%
2010 243,382 0 0.0% 0 0.0% 243,382 100.0% n/a n/a 91%
2008 244,155 0 0.0% 0 0.0% 244,155 100.0% n/a n/a 96%
2006 224,241 0 0.0% 0 0.0% 224,241 100.0% n/a n/a 93%
2004 220,353 0 0.0% 0 0.0% 220,353 100.0% n/a n/a 97%
2002 172,524 0 0.0% 0 0.0% 172,524 100.0% n/a n/a 80%
2000 186,710 0 0.0% 0 0.0% 186,710 100.0% n/a n/a 93%
1994 123,516 0 0.0% 0 0.0% 123,516 100.0% n/a n/a 73%
1986 86,747 0 0.0% 0 0.0% 86,747 100.0% n/a n/a 68%
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.