| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,236 | 15,092 | 18,620 | |
| 2020 | R | 3,154 | 15,560 | 19,057 | |
| 2016 | R | 3,086 | 14,182 | 17,904 | |
| 2012 | R | 3,939 | 12,908 | 16,847 | |
| 2008 | R | 4,538 | 14,394 | 18,932 | |
| 2004 | R | 5,515 | 13,646 | 19,161 | |
| 2000 | R | 6,467 | 10,860 | 17,488 | |
| 1996 | R | 7,248 | 8,144 | 17,776 | |
| 1992 | D | 7,644 | 7,085 | 20,471 | |
| 1988 | R | 7,833 | 9,844 | 17,795 | |
| 1984 | R | 6,359 | 12,871 | 19,333 | |
| 1980 | R | 7,191 | 10,199 | 17,852 | |
| 1976 | D | 9,795 | 7,099 | 17,020 | |
| 1972 | R | 3,623 | 10,309 | 14,396 | |
| 1968 | R | 5,249 | 5,508 | 14,323 | |
| 1964 | D | 9,272 | 5,323 | 14,595 | |
| 1960 | R | 6,899 | 8,084 | 14,983 | |
| 1956 | D | 7,524 | 6,324 | 13,848 | |
| 1952 | D | 8,029 | 6,461 | 14,490 | |
| 1948 | D | 6,702 | 1,909 | 8,611 | |
| 1944 | D | 6,189 | 2,766 | 8,974 | |
| 1940 | D | 6,149 | 2,989 | 9,172 | |
| 1936 | D | 6,390 | 1,636 | 8,071 | |
| 1932 | D | 7,706 | 1,012 | 8,718 | |
| 1928 | R | 2,982 | 5,192 | 8,279 | |
| 1924 | D | 4,745 | 2,377 | 7,534 | |
| 1920 | D | 2,816 | 2,035 | 5,197 | |
| 1916 | D | 2,343 | 607 | 4,048 | |
| 1912 | D | 1,735 | 598 | 3,248 | |
| 1908 | D | 1,761 | 725 | 3,124 | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Stephens County, anchored by the small city of Duncan, has shifted steadily rightward over the past two decades; its 2024 presidential margin of R+63.7 places it among the most lopsided counties in a state that itself trends heavily toward one party.
The unraveling was not abrupt. The Democratic margin in Stephens County peaked at seventy-seven points in 1932; it narrowed steadily over the late twentieth century. The 1996 election delivered the county to the Republican party for the first time in many years, by a margin of five points. By 2024, the margin had widened further.
The economic and demographic context is severe. Stephens County's median household income of $61,620 is among the lowest of any county in the United States; 18% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Beauregard Parish and Grady County.