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United States · Election results history · 2012 Senate · Missouri
Election 2012 Results

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2012 US Senate election in Missouri

Claire McCaskill (Democrat) beat Todd Akin (Republican) in Missouri in 2012, 54.8% to 39.1%, a margin of 15.7 points and 427,966 votes.

The Democratic hold continued from 2006, when Claire McCaskill also won.

Republicans led in 62 of the 115 counties and Democrats in 53. The largest, St. Louis County, cast 521,339 votes and went to the Democrat by 32.9 points. The closest was Wayne, where 4 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Claire McCaskill won Democratic 1,494,125 54.8%
Todd Akin Republican 1,066,159 39.1%
Jonathan Dine Libertarian 165,468 6.1%
All other candidates 41 0.0%
Total2,725,793

Every county

CountyDemocratRepublicanOthersTotalMargin
St. Louis County 335,573 64.4% 164,267 31.5% 21,499 521,339 D+32.9
Jackson 204,291 66.3% 86,374 28.0% 17,394 308,059 D+38.3
St. Charles 90,040 49.1% 82,319 44.9% 10,932 183,291 D+4.2
St. Louis City 123,000 86.3% 15,385 10.8% 4,083 142,468 D+75.5
Greene 59,979 48.2% 55,304 44.4% 9,197 124,480 D+3.8
Clay 57,654 55.3% 37,967 36.4% 8,633 104,254 D+18.9
Jefferson 51,862 53.5% 38,745 40.0% 6,316 96,923 D+13.5
Boone 46,332 59.4% 25,431 32.6% 6,219 77,982 D+26.8
Cass 22,626 46.8% 21,557 44.6% 4,179 48,362 D+2.2
Franklin 21,826 47.2% 21,281 46.0% 3,178 46,285 D+1.2
Platte 23,578 52.5% 17,870 39.8% 3,493 44,941 D+12.7
Jasper 17,485 39.1% 24,563 54.9% 2,713 44,761 R+15.8
Christian 14,312 38.2% 20,383 54.4% 2,774 37,469 R+16.2
Cole 15,394 42.1% 18,918 51.8% 2,233 36,545 R+9.6
Cape Girardeau 14,390 40.8% 18,913 53.7% 1,939 35,242 R+12.8
Buchanan 20,437 58.7% 11,913 34.2% 2,446 34,796 D+24.5
Newton 8,933 35.9% 14,574 58.6% 1,374 24,881 R+22.7
Lincoln 10,225 45.3% 10,860 48.1% 1,479 22,564 R+2.8
St. Francois 11,751 52.4% 9,142 40.8% 1,540 22,433 D+11.6
Camden 9,391 43.0% 10,883 49.8% 1,583 21,857 R+6.8
Taney 7,834 36.8% 11,940 56.1% 1,520 21,294 R+19.3
Johnson 10,197 49.1% 8,613 41.5% 1,959 20,769 D+7.6
Callaway 7,968 44.2% 8,664 48.1% 1,399 18,031 R+3.9
Phelps 8,133 45.3% 8,579 47.8% 1,252 17,964 R+2.5
Pettis 8,246 48.7% 7,196 42.5% 1,500 16,942 D+6.2
Scott 7,627 45.3% 8,514 50.5% 709 16,850 R+5.3
Butler 6,783 40.6% 9,079 54.3% 848 16,710 R+13.7
Howell 6,692 41.2% 8,340 51.3% 1,210 16,242 R+10.1
Stone 5,699 36.2% 8,769 55.7% 1,281 15,749 R+19.5
Lafayette 7,695 49.3% 6,663 42.7% 1,262 15,620 D+6.6
Lawrence 5,830 37.4% 8,510 54.6% 1,252 15,592 R+17.2
Webster 6,363 41.6% 7,739 50.6% 1,200 15,302 R+9.0
Laclede 6,273 41.2% 7,721 50.8% 1,219 15,213 R+9.5
Warren 6,591 45.4% 7,040 48.5% 899 14,530 R+3.1
Barry 5,115 37.6% 7,319 53.8% 1,170 13,604 R+16.2
Pulaski 6,278 47.0% 6,094 45.6% 980 13,352 D+1.4
Polk 5,226 40.4% 6,789 52.4% 933 12,948 R+12.1
Stoddard 5,328 41.8% 6,757 53.0% 668 12,753 R+11.2
Marion 5,281 43.8% 6,350 52.7% 429 12,060 R+8.9
Miller 3,912 36.0% 6,084 56.0% 866 10,862 R+20.0
Texas 4,544 42.5% 5,340 49.9% 816 10,700 R+7.4
Dunklin 5,347 50.7% 4,806 45.6% 395 10,548 D+5.1
Ray 5,439 52.9% 3,960 38.5% 888 10,287 D+14.4
Henry 5,119 51.0% 4,066 40.5% 845 10,030 D+10.5
Adair 5,457 54.5% 4,018 40.1% 546 10,021 D+14.4
Randolph 4,286 43.5% 4,750 48.2% 827 9,863 R+4.7
Audrain 4,640 47.2% 4,420 45.0% 765 9,825 D+2.2
Clinton 4,777 48.8% 4,142 42.3% 870 9,789 D+6.5
Crawford 4,240 44.6% 4,654 48.9% 623 9,517 R+4.4
Benton 4,083 45.1% 4,277 47.2% 699 9,059 R+2.1
Saline 5,143 57.1% 3,121 34.6% 748 9,012 D+22.4
Nodaway 4,656 52.3% 3,543 39.8% 698 8,897 D+12.5
Washington 4,648 53.5% 3,486 40.1% 561 8,695 D+13.4
Morgan 3,773 43.8% 4,190 48.6% 651 8,614 R+4.8
Vernon 3,810 45.0% 4,171 49.2% 492 8,473 R+4.3
Andrew 3,952 48.1% 3,664 44.6% 608 8,224 D+3.5
Ste. Genevieve 4,758 59.8% 2,735 34.4% 463 7,956 D+25.4
Wright 2,883 36.6% 4,402 55.9% 590 7,875 R+19.3
Perry 3,439 43.8% 4,012 51.2% 392 7,843 R+7.3
McDonald 2,644 34.0% 4,667 60.0% 470 7,781 R+26.0
Bates 3,716 48.3% 3,345 43.5% 637 7,698 D+4.8
Cooper 3,335 44.9% 3,494 47.1% 591 7,420 R+2.1
Pike 3,449 47.3% 3,381 46.3% 466 7,296 D+0.9
Dallas 3,072 42.7% 3,514 48.8% 610 7,196 R+6.1
New Madrid 3,966 55.5% 2,908 40.7% 270 7,144 D+14.8
Macon 3,256 46.1% 3,444 48.7% 367 7,067 R+2.7
Gasconade 2,927 41.7% 3,603 51.3% 493 7,023 R+9.6
Osage 2,359 34.6% 3,986 58.5% 470 6,815 R+23.9
Dent 2,558 38.9% 3,499 53.2% 518 6,575 R+14.3
Douglas 2,486 38.1% 3,498 53.6% 548 6,532 R+15.5
Moniteau 2,394 37.7% 3,483 54.8% 479 6,356 R+17.1
Pemiscot 3,498 56.9% 2,487 40.5% 160 6,145 D+16.5
Cedar 2,332 39.1% 3,205 53.7% 432 5,969 R+14.6
Livingston 2,877 48.3% 2,592 43.5% 485 5,954 D+4.8
Barton 1,802 31.6% 3,551 62.3% 346 5,699 R+30.7
Wayne 2,697 47.5% 2,693 47.5% 282 5,672 D+0.1
Linn 2,911 52.8% 2,170 39.4% 431 5,512 D+13.4
Bollinger 2,098 38.7% 3,035 55.9% 292 5,425 R+17.3
Montgomery 2,331 44.2% 2,554 48.5% 383 5,268 R+4.2
Ripley 2,147 41.3% 2,771 53.3% 280 5,198 R+12.0
Ralls 2,248 44.8% 2,596 51.8% 171 5,015 R+6.9
Madison 2,360 48.1% 2,242 45.7% 308 4,910 D+2.4
Mississippi 2,618 53.8% 2,098 43.1% 153 4,869 D+10.7
Howard 2,298 47.8% 2,101 43.7% 411 4,810 D+4.1
Hickory 2,292 49.4% 1,982 42.7% 369 4,643 D+6.7
St. Clair 2,101 45.4% 2,132 46.1% 390 4,623 R+0.7
Maries 1,870 41.5% 2,312 51.3% 327 4,509 R+9.8
Ozark 1,866 42.4% 2,202 50.0% 338 4,406 R+7.6
Oregon 2,048 46.5% 2,095 47.6% 261 4,404 R+1.1
Grundy 2,032 46.8% 1,912 44.0% 399 4,343 D+2.8
DeKalb 1,950 45.0% 2,015 46.5% 364 4,329 R+1.5
Lewis 2,093 49.6% 1,982 46.9% 147 4,222 D+2.6
Carroll 1,906 45.3% 1,926 45.8% 377 4,209 R+0.5
Caldwell 1,832 44.3% 1,880 45.5% 422 4,134 R+1.2
Monroe 1,888 47.2% 1,917 47.9% 198 4,003 R+0.7
Iron 2,252 56.3% 1,461 36.5% 289 4,002 D+19.8
Dade 1,472 38.2% 2,128 55.2% 256 3,856 R+17.0
Chariton 1,856 49.1% 1,690 44.7% 234 3,780 D+4.4
Shannon 1,935 52.2% 1,536 41.5% 233 3,704 D+10.8
Harrison 1,558 43.1% 1,744 48.2% 316 3,618 R+5.1
Daviess 1,654 47.1% 1,532 43.6% 327 3,513 D+3.5
Clark 1,811 56.2% 1,288 40.0% 122 3,221 D+16.2
Shelby 1,424 44.2% 1,667 51.8% 129 3,220 R+7.5
Reynolds 1,700 53.7% 1,247 39.4% 219 3,166 D+14.3
Gentry 1,463 49.3% 1,235 41.6% 272 2,970 D+7.7
Carter 1,211 43.7% 1,400 50.5% 160 2,771 R+6.8
Atchison 1,155 43.4% 1,340 50.3% 169 2,664 R+6.9
Sullivan 1,309 50.3% 1,128 43.4% 163 2,600 D+7.0
Putnam 895 39.2% 1,296 56.8% 92 2,283 R+17.6
Holt 959 42.1% 1,169 51.3% 149 2,277 R+9.2
Knox 965 49.7% 905 46.6% 72 1,942 D+3.1
Scotland 941 49.1% 900 47.0% 74 1,915 D+2.1
Schuyler 985 51.8% 793 41.7% 125 1,903 D+10.1
Mercer 664 40.9% 813 50.0% 148 1,625 R+9.2
Worth 515 49.4% 449 43.1% 78 1,042 D+6.3

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Missouri Senate elections we hold

YearWinnerMargin
2024 Josh Hawley (R) R+13.7
2022 Eric Schmitt (R) R+13.3
2018 Josh Hawley (R) R+5.8
2016 Roy Blunt (R) R+2.8
2012 Claire McCaskill (D) D+15.7
2010 Roy Blunt (R) R+13.6
2006 Claire McCaskill (D) D+2.3
2004 Christopher S. Bond (R) R+13.3
2000 Mel Carnahan (D) D+2.1
1998 Kit Bond (R) R+8.9
1994 John Ashcroft (R) R+24.0
1992 Christopher S. Bond (R) R+7.0
1988 John Danforth (R) R+36.0
1986 Kit Bond (R) R+5.3
1982 John C. Danforth (R) R+1.7
1980 Thomas F. Eagleton (D) D+4.3
1976 John C. Danforth (R) R+14.4
1974 Thomas Eagleton (D) D+20.8
1970 Stuart Symington (D) D+2.9
1968 Thomas Eagleton (D) D+2.0
1964 Stuart Symington (D) D+33.1
1962 Edward Long (D) D+8.9
1958 Stuart Symington (D) D+32.9
1956 Thomas Hennings Jr. (D) D+12.8
1952 Stuart Symington (D) D+8.0
1950 Thomas Hennings Jr. (D) D+7.2
1946 James P. Kem (R) R+5.6
1944 Forrest C. Donnell (R) R+0.1
1940 Harry S. Truman (D) D+2.4
1938 J. Bennett Clark (D) D+21.5
1934 Harry S. Truman (D) D+19.8
1932 J. Bennett Clark (D) D+27.5
1928 Roscoe Patterson (R) R+4.0
1926 Harry B. Hawes (D) D+3.6
1922 James A. Reed (D) D+4.5
1920 Selden Spencer (R) R+9.2
1916 James A. Reed (D) D+3.1
1914 William Stone (D) D+8.8