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United States · Election results history · 1966 governors · South Dakota
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 South Dakota governor election

Nils Boe (Republican) beat Robert Chamberlin (Democrat) in South Dakota in 1966, 57.7% to 42.3%, a margin of 15.4 points and 35,206 votes.

The Republican hold continued from 1964, when Nils A. Boe also won.

Republicans led in 56 of the 67 counties as they stood then and Democrats in 11. The largest, Minnehaha, cast 28,037 votes and went to the Republican by 16.4 points. The closest was Buffalo, where 19 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.

Governor

CandidatePartyVotesShare
Nils Boe won Republican 131,710 57.7%
Robert Chamberlin Democratic 96,504 42.3%
Total228,214

Every county

CountyDemocratRepublicanOthersTotalMargin
Minnehaha 11,717 41.8% 16,320 58.2% 28,037 R+16.4
Brown 5,560 45.7% 6,608 54.3% 12,168 R+8.6
Pennington 4,561 37.7% 7,539 62.3% 12,100 R+24.6
Beadle 3,294 41.7% 4,597 58.3% 7,891 R+16.5
Codington 3,021 42.9% 4,024 57.1% 7,045 R+14.2
Davison 3,231 50.7% 3,148 49.3% 6,379 D+1.3
Brookings 2,198 36.8% 3,768 63.2% 5,966 R+26.3
Yankton 2,325 40.8% 3,379 59.2% 5,704 R+18.5
Lawrence 1,750 34.2% 3,371 65.8% 5,121 R+31.7
Lake 2,070 45.4% 2,488 54.6% 4,558 R+9.2
Hughes 1,603 36.7% 2,769 63.3% 4,372 R+26.7
Roberts 2,088 49.0% 2,172 51.0% 4,260 R+2.0
Lincoln 1,600 38.9% 2,515 61.1% 4,115 R+22.2
Spink 1,942 47.3% 2,167 52.7% 4,109 R+5.5
Day 2,086 50.9% 2,012 49.1% 4,098 D+1.8
Hutchinson 1,492 36.5% 2,591 63.5% 4,083 R+26.9
Turner 1,424 35.7% 2,564 64.3% 3,988 R+28.6
Bon Homme 1,793 46.6% 2,054 53.4% 3,847 R+6.8
Charles Mix 2,128 55.9% 1,678 44.1% 3,806 D+11.8
Grant 1,560 43.1% 2,056 56.9% 3,616 R+13.7
Clay 1,288 36.9% 2,202 63.1% 3,490 R+26.2
McCook 1,767 50.6% 1,723 49.4% 3,490 D+1.3
Kingsbury 1,322 38.2% 2,143 61.8% 3,465 R+23.7
Tripp 1,521 44.2% 1,921 55.8% 3,442 R+11.6
Walworth 1,219 37.2% 2,054 62.8% 3,273 R+25.5
Meade 1,212 37.3% 2,037 62.7% 3,249 R+25.4
Union 1,245 38.4% 2,001 61.6% 3,246 R+23.3
Gregory 1,462 47.4% 1,622 52.6% 3,084 R+5.2
Moody 1,412 46.4% 1,628 53.6% 3,040 R+7.1
Clark 1,219 41.5% 1,718 58.5% 2,937 R+17.0
Hand 995 36.6% 1,722 63.4% 2,717 R+26.8
Marshall 1,323 49.0% 1,379 51.0% 2,702 R+2.1
Edmunds 1,257 47.5% 1,389 52.5% 2,646 R+5.0
Butte 861 33.0% 1,752 67.0% 2,613 R+34.1
Brule 1,490 58.8% 1,045 41.2% 2,535 D+17.6
Hamlin 995 39.3% 1,535 60.7% 2,530 R+21.3
Deuel 1,044 43.8% 1,341 56.2% 2,385 R+12.5
McPherson 542 24.0% 1,721 76.0% 2,263 R+52.1
Miner 1,214 55.4% 976 44.6% 2,190 D+10.9
Fall River 691 31.9% 1,476 68.1% 2,167 R+36.2
Perkins 730 33.7% 1,433 66.3% 2,163 R+32.5
Aurora 1,185 55.7% 943 44.3% 2,128 D+11.4
Sanborn 1,055 52.6% 949 47.4% 2,004 D+5.3
Potter 811 40.6% 1,186 59.4% 1,997 R+18.8
Douglas 758 39.3% 1,172 60.7% 1,930 R+21.5
Lyman 827 44.3% 1,038 55.7% 1,865 R+11.3
Faulk 828 45.5% 990 54.5% 1,818 R+8.9
Corson 650 38.1% 1,055 61.9% 1,705 R+23.8
Custer 649 38.2% 1,050 61.8% 1,699 R+23.6
Hanson 921 55.6% 735 44.4% 1,656 D+11.2
Jerauld 713 43.3% 934 56.7% 1,647 R+13.4
Campbell 249 17.0% 1,220 83.0% 1,469 R+66.1
Dewey 647 44.1% 820 55.9% 1,467 R+11.8
Hyde 435 35.5% 790 64.5% 1,225 R+29.0
Todd 520 45.3% 627 54.7% 1,147 R+9.3
Haakon 393 35.6% 711 64.4% 1,104 R+28.8
Sully 360 34.6% 680 65.4% 1,040 R+30.8
Mellette 439 44.8% 542 55.2% 981 R+10.5
Stanley 465 48.0% 503 52.0% 968 R+3.9
Jones 395 44.0% 502 56.0% 897 R+11.9
Bennett 373 41.8% 519 58.2% 892 R+16.4
Shannon 436 52.6% 393 47.4% 829 D+5.2
Jackson 319 42.7% 428 57.3% 747 R+14.6
Harding 186 25.8% 536 74.2% 722 R+48.5
Ziebach 238 42.7% 319 57.3% 557 R+14.5
Buffalo 286 51.7% 267 48.3% 553 D+3.4
Washabaugh (Ext) 114 41.2% 163 58.8% 277 R+17.7

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.

South Dakota governor elections we hold

YearWinnerMargin
2022 Kristi Noem (R) R+26.8
2018 Kristi Noem (R) R+3.4
2014 Dennis Daugaard (R) R+45.0
2010 Dennis Daugaard (R) R+23.0
2006 Mike Rounds (R) R+25.6
2002 Mike Rounds (R) R+14.8
1998 William J. Janklow (R) R+31.2
1994 William J. Janklow (R) R+14.8
1990 George S. Mickelson (R) R+17.8
1986 George S. Mickelson (R) R+3.6
1982 William J. Janklow (R) R+41.7
1978 William J. Janklow (R) R+13.3
1974 Richard F. Kneip (D) D+7.2
1972 Richard F. Kneip (D) D+20.1
1970 Richard F. Kneip (D) D+9.7
1968 Frank Farrar (R) R+15.3
1966 Nils Boe (R) R+15.4
1964 Nils A. Boe (R) R+3.3
1962 Archie M. Gubbrud (R) R+12.2
1960 Archie M. Gubbrud (R) R+1.5
1958 Ralph Herseth (D) D+2.8
1956 Joe Foss (R) R+8.8
1954 Joe Foss (R) R+13.3
1952 Sigurd Anderson (R) R+40.3
1950 Sigurd Anderson (R) R+21.8
1948 George T. Mickelson (R) R+22.2
1946 George T. Mickelson (R) R+34.3
1944 Merrell Q. Sharpe (R) R+31.0
1942 Merrell Q. Sharpe (R) R+23.0
1940 Harlan J. Bushfield (R) R+10.3
1938 Harlan J. Bushfield (R) R+7.9
1936 Leslie Jensen (R) R+3.2
1934 Tom Berry (D) D+17.9
1932 Tom Berry (D) D+13.2
1930 Warren E. Green (R) R+6.7
1928 William J. Bulow (D) D+5.5
1926 William J. Bulow (D) D+7.1
1924 Carl Gunderson (R) R+31.0
1922 William H. McMaster (R) R+16.3
1920 William H. McMaster (R) R+39.0
1918 Peter Norbeck (R) R+34.6
1916 Peter Norbeck (R) R+17.3
1914 Frank M. Byrne (R) R+14.9
1912 Frank M. Byrne (R) R+2.8
1910 Robert S. Vessey (R) R+22.5
1908 Robert S. Vessey (R) R+15.9
1906 Coe I. Crawford (R) R+38.6
1904 Samuel H. Elrod (R) R+43.6
1902 Charles N. Herreid (R) R+36.0
1900 Charles N. Herreid (R) R+14.4
1898 Andrew E. Lee (other)
1896 Andrew E. Lee (other)
1894 Charles H. Sheldon (R) R+41.2
1892 Charles H. Sheldon (R) R+26.9
1890 Arthur C. Mellette (R) R+20.6
1889 Arthur C. Mellette (R) R+38.7