| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 670 | 2,045 | 2,724 | |
| 2020 | R | 749 | 2,066 | 2,835 | |
| 2016 | R | 623 | 1,891 | 2,544 | |
| 2012 | R | 852 | 1,905 | 2,780 | |
| 2008 | R | 818 | 1,899 | 2,738 | |
| 2004 | R | 736 | 1,694 | 2,442 | |
| 2000 | R | 783 | 1,349 | 2,150 | |
| 1996 | D | 909 | 847 | 1,996 | |
| 1992 | D | 934 | 826 | 2,217 | |
| 1988 | R | 515 | 1,105 | 1,625 | |
| 1984 | R | 526 | 1,348 | 1,874 | |
| 1980 | D | 1,127 | 900 | 2,053 | |
| 1976 | D | 1,536 | 476 | 2,012 | |
| 1972 | R | 118 | 1,269 | 1,387 | |
| 1968 | R | 171 | 249 | 2,282 | |
| 1964 | R | 274 | 1,658 | 1,932 | |
| 1960 | D | 1,116 | 62 | 1,178 | |
| 1956 | D | 1,563 | 441 | 2,004 | |
| 1952 | D | 1,617 | 223 | 1,840 | |
| 1948 | D | 723 | 32 | 861 | |
| 1944 | D | 809 | 59 | 868 | |
| 1940 | D | 775 | 50 | 825 | |
| 1936 | D | 653 | 36 | 690 | |
| 1932 | D | 392 | 0 | 396 | |
| 1928 | D | 322 | 101 | 423 | |
| 1924 | D | 126 | 45 | 183 | |
| 1920 | D | 155 | 30 | 185 | |
| 1916 | D | 464 | 15 | 486 | |
| 1912 | D | 200 | 2 | 256 | |
| 1908 | D | 161 | 23 | 228 | |
| 1904 | D | 174 | 1 | 293 | |
| 1900 | D | 183 | 19 | 234 | |
| 1896 | D | 315 | 55 | 391 | |
| 1892 | D | 371 | 0 | 526 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Miller County's roughly 6,400 residents have delivered lopsided Republican margins for over a decade, making it a stable anchor in southwest Georgia's deep-red rural belt rather than a competitive target.
The unraveling was not abrupt. The Democratic margin in Miller County peaked at ninety-nine points in 1932; it narrowed steadily over the late twentieth century. The 2000 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 widened further.
The economic and demographic context is severe. Miller County's median household income of $51,425 is among the lowest of any county in the United States; 24% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Grady County and Franklin Parish.
