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United States · Election results history · 1966 Senate · Minnesota
Election 1966 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.

1966 US Senate election in Minnesota

Walter Mondale (Democrat) beat Robert A. Forsythe (Republican) in Minnesota in 1966, 53.9% to 45.2%, a margin of 8.7 points and 110,972 votes.

The Democratic hold continued from 1960, when Hubert Humphrey won.

Democrats led in 57 of the 87 counties as they stood then and Republicans in 29. The largest, Hennepin, cast 176,049 votes and went to the Republican by 9.0 points. The closest was Rice, where 3 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
Walter Mondale won Democratic 685,840 53.9%
Robert A. Forsythe Republican 574,868 45.2%
All other candidates 10,718 0.8%
Total1,271,426

Every county

CountyDemocratRepublicanOthersTotalMargin
Hennepin 79,546 45.2% 95,350 54.2% 1,153 176,049 R+9.0
Ramsey 105,309 60.2% 67,829 38.8% 1,768 174,906 D+21.4
St. Louis 67,521 69.0% 29,053 29.7% 1,244 97,818 D+39.3
Dakota 23,987 56.1% 18,454 43.2% 314 42,755 D+12.9
Anoka 26,442 62.7% 15,498 36.7% 253 42,193 D+25.9
Stearns 16,178 52.1% 14,545 46.8% 351 31,074 D+5.3
Olmsted 11,222 41.2% 15,813 58.0% 224 27,259 R+16.8
Washington 14,459 56.2% 11,078 43.1% 192 25,729 D+13.1
Otter Tail 8,008 41.0% 11,427 58.5% 108 19,543 R+17.5
Mower 10,623 56.6% 7,974 42.5% 171 18,768 D+14.1
Blue Earth 7,930 45.8% 9,214 53.2% 160 17,304 R+7.4
Itasca 11,138 67.7% 5,163 31.4% 159 16,460 D+36.3
Freeborn 8,440 54.1% 7,060 45.3% 102 15,602 D+8.8
Winona 7,727 49.8% 7,488 48.3% 293 15,508 D+1.5
Goodhue 6,802 45.0% 8,235 54.5% 68 15,105 R+9.5
Rice 7,453 49.6% 7,450 49.6% 109 15,012 level
Wright 7,209 51.4% 6,715 47.9% 102 14,026 D+3.5
Polk 8,343 60.2% 5,428 39.1% 94 13,865 D+21.0
Clay 6,890 50.0% 6,793 49.3% 108 13,791 D+0.7
Crow Wing 7,371 54.4% 6,082 44.9% 87 13,540 D+9.5
Kandiyohi 7,525 58.6% 5,158 40.2% 151 12,834 D+18.4
Brown 5,005 41.9% 6,863 57.5% 68 11,936 R+15.6
Carlton 8,232 70.1% 3,415 29.1% 88 11,735 D+41.0
Morrison 6,782 58.9% 4,599 39.9% 142 11,523 D+18.9
Martin 4,624 40.6% 6,700 58.9% 53 11,377 R+18.2
McLeod 4,594 42.2% 6,233 57.2% 66 10,893 R+15.0
Scott 6,450 59.9% 4,245 39.4% 81 10,776 D+20.5
Carver 4,042 38.7% 6,347 60.7% 66 10,455 R+22.0
Douglas 5,235 51.2% 4,940 48.3% 57 10,232 D+2.9
Faribault 5,039 49.4% 5,097 50.0% 67 10,203 R+0.6
Nobles 5,407 54.5% 4,439 44.7% 81 9,927 D+9.8
Steele 4,316 43.7% 5,463 55.3% 105 9,884 R+11.6
Fillmore 3,922 40.3% 5,742 59.0% 69 9,733 R+18.7
Renville 4,755 49.4% 4,795 49.8% 69 9,619 R+0.4
Le Sueur 5,443 56.8% 4,038 42.1% 107 9,588 D+14.7
Becker 4,860 51.2% 4,574 48.2% 62 9,496 D+3.0
Lyon 4,981 53.7% 4,221 45.5% 75 9,277 D+8.2
Todd 4,298 47.1% 4,760 52.1% 71 9,129 R+5.1
Redwood 3,707 41.5% 5,177 57.9% 53 8,937 R+16.4
Beltrami 5,099 58.8% 3,515 40.6% 52 8,666 D+18.3
Nicollet 3,945 46.3% 4,507 52.9% 64 8,516 R+6.6
Meeker 4,255 51.0% 4,011 48.1% 71 8,337 D+2.9
Cass 3,939 49.5% 3,939 49.5% 78 7,956 level
Wabasha 3,702 47.3% 4,046 51.7% 85 7,833 R+4.4
Pine 4,612 63.2% 2,631 36.1% 55 7,298 D+27.1
Cottonwood 3,250 44.7% 3,973 54.7% 42 7,265 R+10.0
Chisago 4,078 56.2% 3,112 42.9% 64 7,254 D+13.3
Benton 3,930 54.4% 3,225 44.6% 69 7,224 D+9.8
Houston 2,944 40.8% 4,157 57.7% 107 7,208 R+16.8
Yellow Medicine 3,877 54.9% 3,145 44.5% 46 7,068 D+10.4
Mille Lacs 3,906 55.7% 3,030 43.2% 80 7,016 D+12.5
Waseca 2,887 41.3% 4,044 57.9% 51 6,982 R+16.6
Chippewa 3,776 55.0% 3,052 44.5% 34 6,862 D+10.6
Sibley 2,685 39.8% 4,025 59.6% 40 6,750 R+19.9
Jackson 3,645 55.6% 2,888 44.0% 28 6,561 D+11.5
Koochiching 4,248 67.3% 2,012 31.9% 51 6,311 D+35.4
Watonwan 2,894 46.1% 3,364 53.6% 20 6,278 R+7.5
Swift 3,709 60.0% 2,411 39.0% 66 6,186 D+21.0
Marshall 3,869 64.2% 2,085 34.6% 69 6,023 D+29.6
Lac Qui Parle 3,254 54.8% 2,651 44.7% 32 5,937 D+10.2
Lake 4,388 74.1% 1,513 25.5% 21 5,922 D+48.5
Aitkin 3,381 57.3% 2,457 41.7% 60 5,898 D+15.7
Isanti 3,453 58.8% 2,377 40.5% 42 5,872 D+18.3
Murray 3,002 51.5% 2,784 47.8% 39 5,825 D+3.7
Pipestone 2,683 47.0% 2,965 52.0% 58 5,706 R+4.9
Sherburne 2,891 51.7% 2,662 47.6% 42 5,595 D+4.1
Dodge 2,417 44.2% 3,027 55.4% 24 5,468 R+11.2
Pope 2,829 52.2% 2,553 47.1% 40 5,422 D+5.1
Wadena 2,484 47.2% 2,744 52.2% 32 5,260 R+4.9
Rock 2,007 39.4% 3,035 59.6% 48 5,090 R+20.2
Stevens 2,361 47.7% 2,551 51.6% 33 4,945 R+3.8
Roseau 2,961 61.4% 1,797 37.2% 67 4,825 D+24.1
Norman 2,927 60.9% 1,859 38.7% 22 4,808 D+22.2
Pennington 3,023 63.8% 1,690 35.7% 22 4,735 D+28.2
Hubbard 1,982 42.2% 2,677 57.0% 36 4,695 R+14.8
Grant 2,235 53.1% 1,950 46.4% 22 4,207 D+6.8
Lincoln 2,438 59.2% 1,644 39.9% 34 4,116 D+19.3
Kanabec 2,330 57.1% 1,725 42.3% 27 4,082 D+14.8
Big Stone 2,235 58.4% 1,567 40.9% 26 3,828 D+17.5
Wilkin 2,132 56.9% 1,593 42.5% 19 3,744 D+14.4
Kittson 2,245 64.2% 1,206 34.5% 47 3,498 D+29.7
Clearwater 2,106 65.5% 1,082 33.7% 25 3,213 D+31.9
Traverse 1,952 61.2% 1,208 37.9% 28 3,188 D+23.3
Mahnomen 1,885 67.1% 875 31.2% 48 2,808 D+36.0
Red Lake 1,388 67.2% 657 31.8% 21 2,066 D+35.4
Cook 882 49.5% 888 49.9% 11 1,781 R+0.3
Lake Of The Woods 910 63.2% 506 35.1% 24 1,440 D+28.1

Counties as they stood in 1966; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Minnesota Senate elections we hold

YearWinnerMargin
2024 Amy Klobuchar (D) D+15.7
2020 Tina Smith (D) D+5.2
2018 Amy Klobuchar (D) D+24.1
2014 Al Franken (D) D+10.2
2012 Amy Klobuchar (D) D+34.7
2008 Al Franken (D) level
2006 Amy Klobuchar (D) D+20.1
2002 Norm Coleman (R) R+2.2
2000 Mark Dayton (D) D+5.5
1996 Paul Wellstone (D) D+9.0
1994 Rod Grams (R) R+5.0
1990 Paul David Wellstone (D) D+2.6
1988 David Durenberger (R) R+15.3
1984 Rudy Boschwitz (R) R+16.8
1982 Dave Durenberger (R) R+6.0
1978 Rudolph E. Boschwitz (R) R+16.2
1976 Hubert H. Humphrey (D) D+42.5
1972 Walter Mondale (D) D+13.8
1970 Hubert Humphrey (D) D+16.1
1966 Walter Mondale (D) D+8.7
1964 Eugene McCarthy (D) D+21.1
1960 Hubert Humphrey (D) D+15.3
1958 Eugene McCarthy (D) D+6.3
1954 Hubert Humphrey (D) D+14.3
1952 Edward J. Thye (R) R+14.1
1948 Hubert Humphrey (D) D+20.3
1946 Edward J. Thye (R) R+19.1
1942 Joseph H. Ball (R) R+36.6
1940 Henrik Shipstead (R) R+32.4
1936 Ernest Lundeen (other)
1934 Henrik Shipstead (other)
1930 Thomas D. Schall (R) R+1.5
1928 Henrik Shipstead (other)
1924 Thomas D. Schall (R) R+40.0
1922 Henrik Shipstead (other)
1918 Knute Nelson (R) R+60.0
1916 Frank Kellogg (R) R+17.7