| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,213 | 2,831 | 4,066 | |
| 2020 | R | 1,480 | 2,923 | 4,461 | |
| 2016 | R | 1,502 | 2,721 | 4,290 | |
| 2012 | R | 1,726 | 2,735 | 4,493 | |
| 2008 | R | 1,733 | 2,909 | 4,685 | |
| 2004 | R | 1,574 | 2,893 | 4,491 | |
| 2000 | R | 1,486 | 2,427 | 3,953 | |
| 1996 | R | 1,381 | 1,586 | 3,339 | |
| 1992 | R | 1,587 | 1,942 | 3,938 | |
| 1988 | R | 1,563 | 2,376 | 3,962 | |
| 1984 | R | 1,494 | 2,564 | 4,079 | |
| 1980 | D | 2,040 | 2,026 | 4,109 | |
| 1976 | R | 1,578 | 1,719 | 3,395 | |
| 1972 | R | 561 | 2,361 | 2,999 | |
| 1968 | D | 782 | 231 | 3,442 | |
| 1964 | R | 91 | 2,211 | 2,302 | |
| 1960 | D | 441 | 124 | 1,680 | |
| 1956 | D | 862 | 177 | 1,544 | |
| 1952 | D | 1,166 | 514 | 1,680 | |
| 1948 | D | 55 | 12 | 1,227 | |
| 1944 | D | 1,211 | 49 | 1,260 | |
| 1940 | D | 1,376 | 29 | 1,405 | |
| 1936 | D | 1,098 | 33 | 1,134 | |
| 1932 | D | 965 | 25 | 990 | |
| 1928 | D | 905 | 181 | 1,086 | |
| 1924 | D | 591 | 36 | 627 | |
| 1920 | D | 641 | 203 | 847 | |
| 1916 | D | 769 | 22 | 797 | |
| 1912 | D | 301 | 4 | 364 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | D | 397 | 37 | 475 | |
| 1896 | D | 592 | 17 | 618 | |
| 1892 | D | 314 | 10 | 515 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Franklin County's small, rural population has delivered lopsided Republican margins for over a decade, and its 2024 result of R+39.8 reflects a voting pattern consistent with the rural Southwest Mississippi timber-country corridor.
The unraveling was not abrupt. The Democratic margin in Franklin County peaked at ninety-six points in 1940; it narrowed steadily over the late twentieth century. The 1984 election delivered the county to the Republican party for the first time in many years, by a margin of twenty-six points. By 2024, the margin had settled into deep Republican territory.
The economic and demographic context is severe. Franklin County's median household income of $52,939 is among the lowest of any county in the United States; 25% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Greenwood County and Marion County.