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United States · Election results history · 1956 Senate · South Dakota
Election 1956 Results

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1956 US Senate election in South Dakota

Francis Case (Republican) beat Kenneth Holum (Democrat) in South Dakota in 1956, 50.8% to 49.2%, a margin of 1.6 points and 4,620 votes.

The Republican hold continued from 1950, when Francis Case also won.

Republicans led in 35 of the 67 counties as they stood then and Democrats in 32. The largest, Minnehaha, cast 34,979 votes and went to the Republican by 4.0 points. The closest was Washabaugh (Ext), where 8 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
Francis Case won Republican 147,621 50.8%
Kenneth Holum Democratic 143,001 49.2%
Total290,622

Every county

CountyDemocratRepublicanOthersTotalMargin
Minnehaha 16,788 48.0% 18,191 52.0% 34,979 R+4.0
Pennington 6,463 39.9% 9,725 60.1% 16,188 R+20.2
Brown 8,808 57.6% 6,493 42.4% 15,301 D+15.1
Beadle 5,565 57.8% 4,071 42.2% 9,636 D+15.5
Codington 4,529 51.1% 4,330 48.9% 8,859 D+2.2
Brookings 3,303 42.3% 4,507 57.7% 7,810 R+15.4
Davison 3,993 51.2% 3,806 48.8% 7,799 D+2.4
Yankton 3,407 49.7% 3,449 50.3% 6,856 R+0.6
Lawrence 2,385 36.5% 4,146 63.5% 6,531 R+27.0
Roberts 3,528 58.4% 2,510 41.6% 6,038 D+16.9
Lincoln 2,560 44.4% 3,207 55.6% 5,767 R+11.2
Turner 2,343 40.9% 3,382 59.1% 5,725 R+18.1
Day 3,346 60.0% 2,232 40.0% 5,578 D+20.0
Spink 3,308 60.3% 2,176 39.7% 5,484 D+20.6
Lake 2,603 48.7% 2,745 51.3% 5,348 R+2.7
Charles Mix 3,217 60.6% 2,088 39.4% 5,305 D+21.3
Hutchinson 1,844 35.1% 3,405 64.9% 5,249 R+29.7
Union 2,444 51.4% 2,307 48.6% 4,751 D+2.9
Bon Homme 2,344 49.7% 2,368 50.3% 4,712 R+0.5
Grant 2,452 52.3% 2,233 47.7% 4,685 D+4.7
Hughes 1,864 40.6% 2,722 59.4% 4,586 R+18.7
Clay 2,095 46.8% 2,377 53.2% 4,472 R+6.3
Kingsbury 1,978 44.5% 2,466 55.5% 4,444 R+11.0
Meade 1,878 45.1% 2,286 54.9% 4,164 R+9.8
McCook 2,148 52.6% 1,936 47.4% 4,084 D+5.2
Moody 2,150 55.3% 1,737 44.7% 3,887 D+10.6
Tripp 1,870 48.4% 1,994 51.6% 3,864 R+3.2
Gregory 1,837 49.7% 1,862 50.3% 3,699 R+0.7
Clark 1,895 51.4% 1,789 48.6% 3,684 D+2.9
Fall River 1,369 38.3% 2,210 61.7% 3,579 R+23.5
Walworth 1,530 44.2% 1,931 55.8% 3,461 R+11.6
Hamlin 1,600 47.8% 1,747 52.2% 3,347 R+4.4
Butte 1,202 36.6% 2,079 63.4% 3,281 R+26.7
Hand 1,832 56.3% 1,420 43.7% 3,252 D+12.7
Edmunds 1,855 57.5% 1,373 42.5% 3,228 D+14.9
Marshall 1,953 60.8% 1,258 39.2% 3,211 D+21.6
Brule 1,954 61.4% 1,227 38.6% 3,181 D+22.9
Deuel 1,495 50.7% 1,456 49.3% 2,951 D+1.3
Perkins 1,440 49.2% 1,485 50.8% 2,925 R+1.5
Miner 1,704 58.4% 1,215 41.6% 2,919 D+16.8
McPherson 864 30.7% 1,949 69.3% 2,813 R+38.6
Sanborn 1,471 56.9% 1,112 43.1% 2,583 D+13.9
Corson 1,361 54.5% 1,136 45.5% 2,497 D+9.0
Douglas 1,042 42.2% 1,428 57.8% 2,470 R+15.6
Faulk 1,365 56.6% 1,048 43.4% 2,413 D+13.1
Aurora 1,445 60.5% 942 39.5% 2,387 D+21.1
Custer 1,033 43.6% 1,334 56.4% 2,367 R+12.7
Potter 917 41.2% 1,307 58.8% 2,224 R+17.5
Hanson 1,269 57.4% 943 42.6% 2,212 D+14.7
Jerauld 1,138 52.8% 1,017 47.2% 2,155 D+5.6
Dewey 1,048 50.7% 1,018 49.3% 2,066 D+1.5
Lyman 853 43.0% 1,131 57.0% 1,984 R+14.0
Todd 798 51.6% 748 48.4% 1,546 D+3.2
Shannon 870 56.7% 665 43.3% 1,535 D+13.4
Campbell 316 20.6% 1,217 79.4% 1,533 R+58.8
Haakon 700 46.0% 823 54.0% 1,523 R+8.1
Bennett 735 51.0% 706 49.0% 1,441 D+2.0
Hyde 676 49.2% 699 50.8% 1,375 R+1.7
Stanley 617 51.6% 578 48.4% 1,195 D+3.3
Sully 533 44.7% 660 55.3% 1,193 R+10.6
Mellette 565 49.4% 579 50.6% 1,144 R+1.2
Ziebach 533 48.7% 562 51.3% 1,095 R+2.6
Jones 523 49.1% 543 50.9% 1,066 R+1.9
Harding 437 42.1% 600 57.9% 1,037 R+15.7
Jackson 462 52.0% 426 48.0% 888 D+4.1
Buffalo 331 54.1% 281 45.9% 612 D+8.2
Washabaugh (Ext) 220 49.1% 228 50.9% 448 R+1.8

Counties as they stood in 1956; 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 Senate elections we hold

YearWinnerMargin
2022 John R Thune (R) R+43.5
2020 Mike Rounds (R) R+31.5
2016 John R. Thune (R) R+43.7
2014 Mike Rounds (R) R+20.9
2010 John Thune (R) R+100.0
2008 Tim Johnson (D) D+25.0
2004 John Thune (R) R+1.2
2002 Tim Johnson (D) D+0.2
1998 Tom Daschle (D) D+25.7
1996 Tim Johnson (D) D+2.6
1992 Thomas A. Daschle (D) D+32.4
1990 Larry Pressler (R) R+7.3
1986 Thomas A. Daschle (D) D+3.2
1984 Larry Pressler (R) R+49.0
1980 James Abdnor (R) R+18.8
1978 Larry Pressler (R) R+33.7
1974 George McGovern (D) D+6.1
1972 James Abourezk (D) D+14.1
1968 George McGovern (D) D+13.6
1966 Karl E. Mundt (R) R+32.6
1962 George McGovern (D) D+0.2
1960 Karl E. Mundt (R) R+4.9
1956 Francis Case (R) R+1.6
1954 Karl E. Mundt (R) R+14.6
1950 Francis Case (R) R+27.8
1948 Karl E. Mundt (R) R+18.7
1944 Chandler Gurney (R) R+27.7
1942 Harlan J. Bushfield (R) R+17.5
1938 Chandler Gurney (R) R+4.9
1936 William J. Bulow (D) D+2.1
1932 Peter Norbeck (R) R+9.3
1930 William J. Bulow (D) D+3.3
1926 Peter Norbeck (R) R+26.2
1924 William H. McMaster (R) R+13.3
1920 Peter Norbeck (R) R+30.1
1918 Thomas Sterling (R) R+16.1
1914 Edwin S. Johnson (D) D+3.5