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.
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1966 South Carolina governor election
Robert Evander McNair (Democrat) beat Joseph O. Rogers Jr. (Republican) in South Carolina in 1966, 58.2% to 41.8%, a margin of 16.3 points and 71,766 votes.
The Democratic hold continued from 1962, when Donald S. Russell won.
Democrats led in 42 of the 46 counties as they stood then and Republicans in 4. The largest, Charleston, cast 40,934 votes and went to the Democrat by 12.9 points. The closest was Clarendon, where 34 votes separated the two parties.
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
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Robert Evander McNair won | Democratic | 255,854 | 58.2% |
| Joseph O. Rogers Jr. | Republican | 184,088 | 41.8% |
| Total | 439,942 |
Every county
| County | Democrat | Republican | Others | Total | Margin |
|---|---|---|---|---|---|
| Charleston | 23,112 56.5% | 17,822 43.5% | 40,934 | D+12.9 | |
| Richland | 22,131 58.1% | 15,977 41.9% | 38,108 | D+16.1 | |
| Greenville | 18,250 53.7% | 15,764 46.3% | 34,014 | D+7.3 | |
| Spartanburg | 15,182 58.7% | 10,664 41.3% | 25,846 | D+17.5 | |
| Aiken | 9,254 49.3% | 9,510 50.7% | 18,764 | R+1.4 | |
| Florence | 10,452 61.5% | 6,534 38.5% | 16,986 | D+23.1 | |
| Anderson | 10,591 68.2% | 4,941 31.8% | 15,532 | D+36.4 | |
| Lexington | 7,021 47.4% | 7,803 52.6% | 14,824 | R+5.3 | |
| Orangeburg | 7,597 54.4% | 6,377 45.6% | 13,974 | D+8.7 | |
| Sumter | 6,311 52.8% | 5,652 47.2% | 11,963 | D+5.5 | |
| York | 7,601 68.9% | 3,436 31.1% | 11,037 | D+37.7 | |
| Darlington | 6,072 59.6% | 4,122 40.4% | 10,194 | D+19.1 | |
| Horry | 6,016 60.0% | 4,014 40.0% | 10,030 | D+20.0 | |
| Kershaw | 4,820 53.5% | 4,184 46.5% | 9,004 | D+7.1 | |
| Greenwood | 5,762 66.1% | 2,950 33.9% | 8,712 | D+32.3 | |
| Williamsburg | 4,442 51.1% | 4,252 48.9% | 8,694 | D+2.2 | |
| Berkeley | 5,271 62.6% | 3,154 37.4% | 8,425 | D+25.1 | |
| Pickens | 4,419 58.0% | 3,195 42.0% | 7,614 | D+16.1 | |
| Laurens | 4,435 59.3% | 3,044 40.7% | 7,479 | D+18.6 | |
| Newberry | 4,016 53.8% | 3,455 46.2% | 7,471 | D+7.5 | |
| Lancaster | 4,493 61.1% | 2,855 38.9% | 7,348 | D+22.3 | |
| Georgetown | 3,859 54.1% | 3,279 45.9% | 7,138 | D+8.1 | |
| Cherokee | 4,528 66.9% | 2,245 33.1% | 6,773 | D+33.7 | |
| Dorchester | 3,555 52.6% | 3,202 47.4% | 6,757 | D+5.2 | |
| Oconee | 4,019 61.3% | 2,542 38.7% | 6,561 | D+22.5 | |
| Clarendon | 3,118 49.7% | 3,152 50.3% | 6,270 | R+0.5 | |
| Chesterfield | 4,132 67.1% | 2,027 32.9% | 6,159 | D+34.2 | |
| Colleton | 3,192 56.3% | 2,474 43.7% | 5,666 | D+12.7 | |
| Union | 3,620 67.0% | 1,780 33.0% | 5,400 | D+34.1 | |
| Beaufort | 3,240 60.6% | 2,110 39.4% | 5,350 | D+21.1 | |
| Chester | 3,347 66.2% | 1,707 33.8% | 5,054 | D+32.4 | |
| Dillon | 2,822 59.8% | 1,895 40.2% | 4,717 | D+19.7 | |
| Marion | 2,884 62.8% | 1,709 37.2% | 4,593 | D+25.6 | |
| Lee | 2,512 55.6% | 2,004 44.4% | 4,516 | D+11.2 | |
| Barnwell | 2,035 48.1% | 2,195 51.9% | 4,230 | R+3.8 | |
| Fairfield | 2,335 63.2% | 1,360 36.8% | 3,695 | D+26.4 | |
| Marlboro | 2,328 64.2% | 1,297 35.8% | 3,625 | D+28.4 | |
| Abbeville | 2,590 74.6% | 882 25.4% | 3,472 | D+49.2 | |
| Saluda | 1,981 57.3% | 1,476 42.7% | 3,457 | D+14.6 | |
| Hampton | 2,188 63.8% | 1,243 36.2% | 3,431 | D+27.5 | |
| Bamberg | 1,965 58.6% | 1,388 41.4% | 3,353 | D+17.2 | |
| Edgefield | 1,617 53.5% | 1,403 46.5% | 3,020 | D+7.1 | |
| Allendale | 2,262 78.7% | 614 21.3% | 2,876 | D+57.3 | |
| Calhoun | 1,476 56.3% | 1,145 43.7% | 2,621 | D+12.6 | |
| Jasper | 1,743 67.0% | 858 33.0% | 2,601 | D+34.0 | |
| McCormick | 1,258 76.1% | 396 23.9% | 1,654 | D+52.1 |
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.
South Carolina governor elections we hold
| Year | Winner | Margin |
|---|---|---|
| 2022 | Henry McMaster (R) | R+17.4 |
| 2018 | Henry McMaster (R) | R+8.0 |
| 2014 | Nikki R. Haley (R) | R+14.5 |
| 2010 | Nikki R. Haley (R) | R+4.5 |
| 2006 | Mark Sanford (R) | R+10.3 |
| 2002 | Mark Sanford (R) | R+5.8 |
| 1998 | James H. Hodges (D) | D+8.0 |
| 1994 | David Beasley (R) | R+2.5 |
| 1990 | Carroll Campbell (R) | R+41.6 |
| 1986 | Carroll Campbell (R) | R+3.1 |
| 1982 | Richard Riley (D) | D+39.6 |
| 1978 | Richard W. Riley (D) | D+23.6 |
| 1974 | James B. Edwards (R) | R+3.3 |
| 1970 | John C. West (D) | D+5.9 |
| 1966 | Robert Evander McNair (D) | D+16.3 |
| 1962 | Donald S. Russell (D) | D+100.0 |
| 1958 | Ernest F. Hollings (D) | D+100.0 |
| 1954 | George Bell Timmerman (D) | D+100.0 |
| 1950 | James F. Byrnes (D) | D+100.0 |
| 1946 | James Strom Thurmond (D) | D+100.0 |
| 1942 | Olin D. Johnston (D) | D+100.0 |
| 1938 | Burnet Rhett Maybank (D) | D+98.9 |
| 1934 | Olin D. Johnston (D) | D+100.0 |
| 1930 | Ibra C. Blackwood (D) | D+100.0 |
| 1926 | John G. Richards (D) | D+100.0 |
| 1924 | Thomas G. McLeod (D) | D+100.0 |
| 1922 | Thomas G. McLeod (D) | D+100.0 |
| 1920 | Robert A. Cooper (D) | D+100.0 |
| 1918 | Robert A. Cooper (D) | D+100.0 |
| 1916 | Richard Irvine Manning III (D) | D+97.9 |
| 1914 | Richard Irvine Manning III (D) | D+99.8 |
| 1912 | Coleman L. Blease (D) | D+99.5 |
| 1910 | Coleman L. Blease (D) | D+99.8 |
| 1908 | Martin F. Ansel (D) | D+100.0 |
| 1906 | Martin F. Ansel (D) | D+99.9 |
| 1904 | Duncan C. Heyward (D) | D+100.0 |
| 1902 | Duncan C. Heyward (D) | D+100.0 |
| 1900 | Miles B. McSweeney (D) | D+100.0 |
| 1898 | William H. Ellerbe (D) | D+100.0 |
| 1896 | William H. Ellerbe (D) | D+82.5 |
| 1894 | John Gary Evans (D) | D+69.6 |
| 1892 | Benjamin Ryan Tillman (D) | D+99.9 |
| 1890 | Benjamin Ryan Tillman (D) | D+79.8 |
| 1888 | John P. Richardson (D) | D+100.0 |
| 1886 | John P. Richardson (D) | D+100.0 |
| 1884 | Hugh S. Thompson (D) | D+100.0 |
| 1882 | Hugh S. Thompson (D) | D+79.0 |
| 1880 | Johnson Hagood (D) | D+96.4 |
| 1878 | Wade Hampton (D) | D+99.8 |
| 1876 | Wade Hampton (D) | D+0.6 |
| 1874 | Daniel H. Chamberlain (R) | R+53.9 |
| 1872 | Franklin J. Moses Jr. (R) | R+65.4 |
| 1870 | Robert K. Scott (R) | R+62.3 |
| 1868 | Robert K. Scott (R) | R+50.4 |
| 1865 | James Lawrence Orr (other) |