South Dakota — 1968 presidential election
Recent presidential results
state1968 presidential electionSouth Dakota · PresidentNixonR+11.3
How it voted
Share of the 1968 vote
| Richard Nixon ✓Republican | 53.3% | 149,841 |
|---|---|---|
| Hubert HumphreyDemocratic | 42.0% | 118,023 |
| OtherAll other candidates | 4.8% | 13,400 |
1968presidential margin
D+60R+60
66 counties, each filled by 1968 D-vs-R margin. Hover any county for its result.
South Dakota cast 4 electoral votes this cycle.
County-level results (66 counties) — table
| County | Winner | Margin |
|---|---|---|
| Aurora County, SD | Democratic | D+0.8 |
| Beadle County, SD | Democratic | D+11.6 |
| Bennett County, SD | Republican | R+16.9 |
| Bon Homme County, SD | Republican | R+14.6 |
| Brookings County, SD | Republican | R+18.2 |
| Brown County, SD | Democratic | D+4.2 |
| Brule County, SD | Democratic | D+6.7 |
| Buffalo County, SD | Democratic | D+0.7 |
| Butte County, SD | Republican | R+32.5 |
| Campbell County, SD | Republican | R+63.3 |
| Charles Mix County, SD | Democratic | D+5.9 |
| Clark County, SD | Republican | R+8.9 |
| Clay County, SD | Republican | R+5.5 |
| Codington County, SD | Democratic | D+3.6 |
| Corson County, SD | Republican | R+14.3 |
| Custer County, SD | Republican | R+20.2 |
| Davison County, SD | Republican | R+3.7 |
| Day County, SD | Democratic | D+8.5 |
| Deuel County, SD | Republican | R+12.3 |
| Dewey County, SD | Republican | R+12.3 |
| Douglas County, SD | Republican | R+44.7 |
| Edmunds County, SD | Republican | R+10.5 |
| Fall River County, SD | Republican | R+28.4 |
| Faulk County, SD | Republican | R+8.8 |
| Grant County, SD | Republican | R+8.5 |
| Gregory County, SD | Republican | R+16.4 |
| Haakon County, SD | Republican | R+30.7 |
| Hamlin County, SD | Republican | R+17.1 |
| Hand County, SD | Republican | R+17.1 |
| Hanson County, SD | Republican | R+4.2 |
| Harding County, SD | Republican | R+33.3 |
| Hughes County, SD | Republican | R+29.5 |
| Hutchinson County, SD | Republican | R+41.6 |
| Hyde County, SD | Republican | R+16.2 |
| Jackson County, SD | Republican | R+18.1 |
| Jerauld County, SD | Republican | R+14.3 |
| Jones County, SD | Republican | R+20.2 |
| Kingsbury County, SD | Republican | R+20.5 |
| Lake County, SD | Republican | R+10.9 |
| Lawrence County, SD | Republican | R+25.3 |
| Lincoln County, SD | Republican | R+23.9 |
| Lyman County, SD | Republican | R+22.9 |
| Marshall County, SD | Democratic | D+1.5 |
| McCook County, SD | Republican | R+8.1 |
| McPherson County, SD | Republican | R+65.5 |
| Meade County, SD | Republican | R+20.4 |
| Mellette County, SD | Republican | R+18.6 |
| Miner County, SD | Democratic | D+8.8 |
| Minnehaha County, SD | Republican | R+9.7 |
| Moody County, SD | Republican | R+2.2 |
| Oglala Lakota County, SD | Democratic | D+37.2 |
| Pennington County, SD | Republican | R+13.0 |
| Perkins County, SD | Republican | R+25.4 |
| Potter County, SD | Republican | R+22.4 |
| Roberts County, SD | Democratic | D+8.2 |
| Sanborn County, SD | Republican | R+3.3 |
| Spink County, SD | Democratic | D+12.2 |
| Stanley County, SD | Republican | R+12.0 |
| Sully County, SD | Republican | R+28.4 |
| Todd County, SD | Democratic | D+17.3 |
| Tripp County, SD | Republican | R+22.9 |
| Turner County, SD | Republican | R+39.5 |
| Union County, SD | Republican | R+4.4 |
| Walworth County, SD | Republican | R+25.3 |
| Yankton County, SD | Republican | R+17.5 |
| Ziebach County, SD | Republican | R+11.6 |
South Dakota results by county
66 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Aurora County | Hubert Humphrey+17 | 1,04346.7% | 1,06047.5% | 1305.8% | 2,233 |
| Beadle County | Hubert Humphrey+1,143 | 4,21442.7% | 5,35754.2% | 3073.1% | 9,878 |
| Bennett County | Richard Nixon+208 | 66553.9% | 45737.1% | 1119.0% | 1,233 |
| Bon Homme County | Richard Nixon+638 | 2,41155.0% | 1,77340.5% | 1994.5% | 4,383 |
| Brookings County | Richard Nixon+1,472 | 4,67457.8% | 3,20239.6% | 2052.5% | 8,081 |
| Brown County | Hubert Humphrey+617 | 6,68546.0% | 7,30250.2% | 5603.8% | 14,547 |
| Brule County | Hubert Humphrey+188 | 1,23743.9% | 1,42550.6% | 1535.4% | 2,815 |
| Buffalo County | Hubert Humphrey+4 | 26147.1% | 26547.8% | 285.1% | 554 |
| Butte County | Richard Nixon+1,073 | 2,09063.3% | 1,01730.8% | 1965.9% | 3,303 |
| Campbell County | Richard Nixon+971 | 1,21679.3% | 24516.0% | 734.8% | 1,534 |
| Charles Mix County | Hubert Humphrey+276 | 2,09344.8% | 2,36950.7% | 2134.6% | 4,675 |
| Clark County | Richard Nixon+271 | 1,59652.5% | 1,32543.6% | 1193.9% | 3,040 |
| Clay County | Richard Nixon+243 | 2,24951.3% | 2,00645.7% | 1313.0% | 4,386 |
| Codington County | Hubert Humphrey+306 | 3,92946.5% | 4,23550.1% | 2883.4% | 8,452 |
| Corson County | Richard Nixon+287 | 1,10855.2% | 82140.9% | 804.0% | 2,009 |
| Custer County | Richard Nixon+416 | 1,14355.4% | 72735.2% | 1949.4% | 2,064 |
| Davison County | Richard Nixon+284 | 3,86950.1% | 3,58546.4% | 2653.4% | 7,719 |
| Day County | Hubert Humphrey+401 | 2,06243.8% | 2,46352.3% | 1823.9% | 4,707 |
| Deuel County | Richard Nixon+322 | 1,39853.3% | 1,07641.0% | 1515.8% | 2,625 |
| Dewey County | Richard Nixon+220 | 94152.7% | 72140.4% | 1236.9% | 1,785 |
| Douglas County | Richard Nixon+1,021 | 1,61370.7% | 59225.9% | 773.4% | 2,282 |
| Edmunds County | Richard Nixon+309 | 1,53452.2% | 1,22541.7% | 1816.2% | 2,940 |
| Fall River County | Richard Nixon+878 | 1,84359.6% | 96531.2% | 2869.2% | 3,094 |
| Faulk County | Richard Nixon+178 | 99749.5% | 81940.6% | 1999.9% | 2,015 |
| Grant County | Richard Nixon+369 | 2,25951.8% | 1,89043.3% | 2114.8% | 4,360 |
| Gregory County | Richard Nixon+544 | 1,81054.4% | 1,26638.1% | 2517.5% | 3,327 |
| Haakon County | Richard Nixon+382 | 75961.0% | 37730.3% | 1098.8% | 1,245 |
| Hamlin County | Richard Nixon+500 | 1,64956.4% | 1,14939.3% | 1284.4% | 2,926 |
| Hand County | Richard Nixon+514 | 1,65054.8% | 1,13637.7% | 2267.5% | 3,012 |
| Hanson County | Richard Nixon+75 | 90150.1% | 82645.9% | 724.0% | 1,799 |
| Harding County | Richard Nixon+298 | 56463.0% | 26629.7% | 657.3% | 895 |
| Hughes County | Richard Nixon+1,538 | 3,20461.5% | 1,66632.0% | 3436.6% | 5,213 |
| Hutchinson County | Richard Nixon+2,132 | 3,54469.1% | 1,41227.5% | 1753.4% | 5,131 |
| Hyde County | Richard Nixon+214 | 71353.8% | 49937.7% | 1138.5% | 1,325 |
| Jackson County | Richard Nixon+234 | 70454.4% | 47036.3% | 1209.3% | 1,294 |
| Jerauld County | Richard Nixon+257 | 1,00255.6% | 74541.3% | 563.1% | 1,803 |
| Jones County | Richard Nixon+204 | 56255.8% | 35835.5% | 888.7% | 1,008 |
| Kingsbury County | Richard Nixon+809 | 2,30058.4% | 1,49137.9% | 1463.7% | 3,937 |
| Lake County | Richard Nixon+582 | 2,87653.7% | 2,29442.8% | 1883.5% | 5,358 |
| Lawrence County | Richard Nixon+1,760 | 4,18560.2% | 2,42534.9% | 3384.9% | 6,948 |
| Lincoln County | Richard Nixon+1,298 | 3,25959.9% | 1,96136.0% | 2224.1% | 5,442 |
| Lyman County | Richard Nixon+420 | 1,06357.9% | 64335.0% | 1317.1% | 1,837 |
| Marshall County | Hubert Humphrey+47 | 1,47147.0% | 1,51848.5% | 1404.5% | 3,129 |
| McCook County | Richard Nixon+306 | 1,95951.6% | 1,65343.5% | 1884.9% | 3,800 |
| McPherson County | Richard Nixon+1,716 | 2,10580.3% | 38914.8% | 1264.8% | 2,620 |
| Meade County | Richard Nixon+870 | 2,39256.2% | 1,52235.8% | 3438.1% | 4,257 |
| Mellette County | Richard Nixon+204 | 61155.7% | 40737.1% | 797.2% | 1,097 |
| Miner County | Hubert Humphrey+210 | 1,04543.7% | 1,25552.5% | 923.8% | 2,392 |
| Minnehaha County | Richard Nixon+3,679 | 20,14153.3% | 16,46243.6% | 1,1773.1% | 37,780 |
| Moody County | Richard Nixon+75 | 1,68948.9% | 1,61446.7% | 1534.4% | 3,456 |
| Oglala Lakota County | Hubert Humphrey+669 | 53329.7% | 1,20266.9% | 613.4% | 1,796 |
| Pennington County | Richard Nixon+2,368 | 9,67153.3% | 7,30340.2% | 1,1746.5% | 18,148 |
| Perkins County | Richard Nixon+629 | 1,49860.4% | 86935.0% | 1144.6% | 2,481 |
| Potter County | Richard Nixon+493 | 1,27357.8% | 78035.4% | 1496.8% | 2,202 |
| Roberts County | Hubert Humphrey+426 | 2,22542.7% | 2,65150.9% | 3376.5% | 5,213 |
| Sanborn County | Richard Nixon+68 | 1,02449.7% | 95646.4% | 803.9% | 2,060 |
| Spink County | Hubert Humphrey+601 | 2,06842.1% | 2,66954.3% | 1783.6% | 4,915 |
| Stanley County | Richard Nixon+133 | 57251.6% | 43939.6% | 988.8% | 1,109 |
| Sully County | Richard Nixon+320 | 67660.1% | 35631.6% | 938.3% | 1,125 |
| Todd County | Hubert Humphrey+304 | 68338.8% | 98756.0% | 915.2% | 1,761 |
| Tripp County | Richard Nixon+880 | 2,24258.2% | 1,36235.4% | 2456.4% | 3,849 |
| Turner County | Richard Nixon+1,896 | 3,24667.6% | 1,35028.1% | 2054.3% | 4,801 |
| Union County | Richard Nixon+198 | 2,21249.7% | 2,01445.2% | 2255.1% | 4,451 |
| Walworth County | Richard Nixon+928 | 2,20460.2% | 1,27634.8% | 1825.0% | 3,662 |
| Yankton County | Richard Nixon+1,244 | 3,97756.1% | 2,73338.5% | 3825.4% | 7,092 |
| Ziebach County | Richard Nixon+99 | 44952.6% | 35041.0% | 556.4% | 854 |
Nominees: Hubert Humphrey (D) · Richard Nixon (R) · George Wallace (American Independent)
South Dakota's presidential margins
1892–2024, the 1968 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −36.5% |
| 1896 | +0.2% |
| 1900 | −15.6% |
| 1904 | −49.4% |
| 1908 | −23.8% |
| 1912 | +42.1% |
| 1916 | −3.9% |
| 1920 | −41.0% |
| 1924 | −36.3% |
| 1928 | −21.0% |
| 1932 | +29.2% |
| 1936 | +11.5% |
| 1940 | −14.8% |
| 1944 | −16.7% |
| 1948 | −4.8% |
| 1952 | −38.5% |
| 1956 | −16.8% |
| 1960 | −16.4% |
| 1964 | +11.2% |
| 1968 | −11.3% |
| 1972 | −8.6% |
| 1976 | −1.5% |
| 1980 | −28.8% |
| 1984 | −26.5% |
| 1988 | −6.3% |
| 1992 | −3.5% |
| 1996 | −3.5% |
| 2000 | −22.7% |
| 2004 | −21.3% |
| 2008 | −8.4% |
| 2012 | −18.0% |
| 2016 | −29.8% |
| 2020 | −26.2% |
| 2024 | −29.2% |
Source. Compiled historical county records — 1968 presidential returns · official county-level results. Real returns — nothing estimated.