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

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2012 US Senate election in Wisconsin

Tammy Baldwin (Democrat) beat Tommy G. Thompson (Republican) in Wisconsin in 2012, 51.4% to 45.9%, a margin of 5.5 points and 166,978 votes.

The Democratic hold continued from 2006, when Herb Kohl won.

Democrats led in 36 of the 72 counties and Republicans in 36. The largest, Milwaukee, cast 477,884 votes and went to the Democrat by 32.9 points. The closest was Washburn, where 37 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
Tammy Baldwin won Democratic 1,547,104 51.4%
Tommy G. Thompson Republican 1,380,126 45.9%
All other candidates 82,181 2.7%
Total3,009,411

Every county

CountyDemocratRepublicanOthersTotalMargin
Milwaukee 312,618 65.4% 155,410 32.5% 9,856 477,884 D+32.9
Dane 206,917 68.8% 88,395 29.4% 5,275 300,587 D+39.4
Waukesha 75,408 31.4% 159,450 66.4% 5,284 240,142 R+35.0
Brown 60,409 48.0% 61,838 49.1% 3,729 125,976 R+1.1
Racine 51,630 50.9% 47,030 46.4% 2,802 101,462 D+4.5
Outagamie 43,297 46.6% 46,212 49.7% 3,419 92,928 R+3.1
Winnebago 42,782 48.9% 41,545 47.5% 3,214 87,541 D+1.4
Rock 46,892 59.2% 30,010 37.9% 2,341 79,243 D+21.3
Kenosha 42,825 54.1% 33,273 42.1% 3,013 79,111 D+12.1
Washington 22,702 29.2% 52,950 68.1% 2,135 77,787 R+38.9
Marathon 31,751 46.2% 34,688 50.4% 2,348 68,787 R+4.3
La Crosse 34,203 54.9% 26,271 42.1% 1,877 62,351 D+12.7
Sheboygan 26,284 42.6% 33,472 54.2% 2,010 61,766 R+11.6
Ozaukee 18,285 33.2% 35,463 64.4% 1,302 55,050 R+31.2
Eau Claire 29,057 54.0% 23,036 42.8% 1,740 53,833 D+11.2
Fond du Lac 21,273 40.7% 29,539 56.5% 1,482 52,294 R+15.8
Walworth 21,390 41.6% 28,069 54.6% 1,917 51,376 R+13.0
St. Croix 20,053 44.0% 24,347 53.4% 1,172 45,572 R+9.4
Dodge 17,867 40.7% 24,646 56.1% 1,386 43,899 R+15.4
Jefferson 19,081 43.9% 23,393 53.8% 1,040 43,514 R+9.9
Manitowoc 19,616 46.9% 20,646 49.3% 1,600 41,862 R+2.5
Portage 21,469 56.1% 15,710 41.0% 1,095 38,274 D+15.0
Wood 18,748 49.2% 18,052 47.3% 1,332 38,132 D+1.8
Sauk 17,247 54.6% 13,565 42.9% 787 31,599 D+11.7
Chippewa 14,774 48.4% 14,677 48.1% 1,049 30,500 D+0.3
Columbia 16,028 53.1% 13,413 44.4% 762 30,203 D+8.7
Calumet 10,989 42.3% 14,053 54.1% 930 25,972 R+11.8
Waupaca 11,011 43.2% 13,601 53.4% 861 25,473 R+10.2
Grant 12,027 50.9% 10,902 46.1% 699 23,628 D+4.8
Douglas 14,599 65.0% 7,478 33.3% 387 22,464 D+31.7
Barron 10,644 47.8% 10,805 48.5% 836 22,285 R+0.7
Polk 10,192 46.0% 11,310 51.1% 642 22,144 R+5.0
Dunn 10,671 49.6% 10,038 46.7% 800 21,509 D+2.9
Oneida 10,047 47.4% 10,183 48.0% 969 21,199 R+0.6
Pierce 10,254 49.8% 9,850 47.8% 502 20,606 D+2.0
Marinette 9,685 47.8% 9,989 49.3% 589 20,263 R+1.5
Shawano 8,755 44.1% 10,417 52.5% 680 19,852 R+8.4
Oconto 8,792 45.0% 10,032 51.4% 711 19,535 R+6.3
Monroe 8,629 45.0% 9,899 51.7% 629 19,157 R+6.6
Green 10,721 56.0% 7,954 41.5% 478 19,153 D+14.4
Door 8,966 51.4% 7,996 45.9% 470 17,432 D+5.6
Lincoln 7,379 49.4% 6,911 46.3% 645 14,935 D+3.1
Vernon 7,543 53.8% 6,051 43.2% 428 14,022 D+10.6
Clark 6,159 45.5% 6,875 50.7% 513 13,547 R+5.3
Vilas 5,762 42.6% 7,308 54.0% 456 13,526 R+11.4
Trempealeau 7,144 54.0% 5,699 43.1% 380 13,223 D+10.9
Iowa 7,454 60.2% 4,631 37.4% 297 12,382 D+22.8
Waushara 5,213 44.1% 6,239 52.8% 370 11,822 R+8.7
Juneau 5,474 47.2% 5,805 50.0% 330 11,609 R+2.9
Kewaunee 5,149 47.2% 5,419 49.6% 350 10,918 R+2.5
Langlade 4,580 45.0% 5,255 51.6% 340 10,175 R+6.6
Adams 5,161 52.6% 4,404 44.9% 245 9,810 D+7.7
Bayfield 6,017 62.5% 3,476 36.1% 137 9,630 D+26.4
Green Lake 3,637 38.2% 5,600 58.8% 293 9,530 R+20.6
Taylor 3,859 41.6% 5,049 54.4% 372 9,280 R+12.8
Jackson 4,979 54.4% 3,894 42.5% 283 9,156 D+11.9
Washburn 4,405 48.7% 4,442 49.2% 190 9,037 R+0.4
Sawyer 4,445 50.9% 4,163 47.6% 131 8,739 D+3.2
Burnett 3,996 47.4% 4,288 50.8% 154 8,438 R+3.5
Richland 4,504 53.4% 3,786 44.9% 147 8,437 D+8.5
Ashland 5,306 63.3% 2,912 34.7% 170 8,388 D+28.5
Marquette 3,744 46.8% 4,032 50.4% 229 8,005 R+3.6
Lafayette 4,110 52.5% 3,549 45.4% 165 7,824 D+7.2
Price 3,832 49.6% 3,623 46.9% 275 7,730 D+2.7
Crawford 4,321 56.6% 3,117 40.8% 197 7,635 D+15.8
Rusk 3,298 46.8% 3,393 48.2% 352 7,043 R+1.3
Buffalo 3,366 48.9% 3,284 47.8% 227 6,877 D+1.2
Forest 2,288 51.4% 2,028 45.5% 139 4,455 D+5.8
Pepin 1,812 50.4% 1,702 47.4% 78 3,592 D+3.1
Iron 1,656 47.6% 1,785 51.3% 37 3,478 R+3.7
Florence 908 35.6% 1,586 62.2% 56 2,550 R+26.6
Menominee 1,015 79.7% 213 16.7% 45 1,273 D+63.0

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

Wisconsin Senate elections we hold

YearWinnerMargin
2024 Tammy Baldwin (D) D+0.8
2022 Ron Johnson (R) R+1.0
2018 Tammy Baldwin (D) D+10.8
2016 Ron Johnson (R) R+3.4
2012 Tammy Baldwin (D) D+5.5
2010 Ron Johnson (R) R+4.8
2006 Herb Kohl (D) D+37.8
2004 Russel D. Feingold (D) D+11.2
2000 Herb Kohl (D) D+24.5
1998 Russell D. Feingold (D) D+2.1
1994 Herb Kohl (D) D+17.6
1992 Russell D. Feingold (D) D+6.6
1988 Herbert H. Kohl (D) D+4.5
1986 Robert W. Kasten Jr. (R) R+3.5
1982 William Proxmire (D) D+29.5
1980 Robert W. Kasten Jr. (R) R+1.9
1976 William Proxmire (D) D+45.6
1974 Gaylord Nelson (D) D+26.0
1970 William Proxmire (D) D+42.4
1968 Gaylord Nelson (D) D+23.4
1964 William Proxmire (D) D+6.7
1962 Gaylord Nelson (D) D+5.4
1958 William Proxmire (D) D+14.4
1956 Alexander Wiley (R) R+17.4
1952 Joseph McCarthy (R) R+8.7
1950 Alexander Wiley (R) R+7.1
1946 Joseph McCarthy (R) R+23.9
1944 Alexander Wiley (R) R+7.7
1940 Robert M. La Follette Jr. (other)
1938 Alexander Wiley (R) R+20.4
1934 Robert M. La Follette Jr. (other)
1932 F. Ryan Duffy (D) D+20.8
1928 Robert La Follette Jr. (R) R+85.6
1926 John J. Blaine (R) R+42.7
1922 Robert La Follette Sr. (R) R+64.1
1920 Irvine L. Lenroot (R) R+28.4
1916 Robert La Follette Sr. (R) R+27.3
1914 Paul O. Husting (D) D+0.3