| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 6,136 | 5,869 | 12,117 | |
| 2020 | D | 6,318 | 5,732 | 12,150 | |
| 2016 | D | 5,520 | 5,276 | 11,047 | |
| 2012 | D | 6,375 | 5,378 | 11,856 | |
| 2008 | D | 6,454 | 5,717 | 12,235 | |
| 2004 | R | 5,562 | 5,688 | 11,298 | |
| 2000 | R | 4,748 | 4,847 | 9,697 | |
| 1996 | D | 4,239 | 3,358 | 8,064 | |
| 1992 | D | 4,489 | 3,616 | 9,168 | |
| 1988 | R | 3,332 | 4,289 | 7,668 | |
| 1984 | R | 3,725 | 4,607 | 8,332 | |
| 1980 | D | 4,956 | 2,957 | 8,060 | |
| 1976 | D | 5,328 | 2,053 | 7,381 | |
| 1972 | R | 1,268 | 4,533 | 5,801 | |
| 1968 | D | 1,701 | 1,383 | 6,573 | |
| 1964 | R | 1,727 | 3,774 | 5,501 | |
| 1960 | D | 2,274 | 962 | 3,236 | |
| 1956 | D | 2,149 | 730 | 2,879 | |
| 1952 | D | 2,455 | 1,068 | 3,523 | |
| 1948 | D | 1,018 | 256 | 2,144 | |
| 1944 | D | 1,550 | 194 | 1,744 | |
| 1940 | D | 1,561 | 118 | 1,692 | |
| 1936 | D | 1,870 | 58 | 1,934 | |
| 1932 | D | 1,619 | 57 | 1,692 | |
| 1928 | D | 1,237 | 294 | 1,531 | |
| 1924 | D | 1,225 | 124 | 1,462 | |
| 1920 | D | 1,076 | 296 | 1,372 | |
| 1916 | D | 1,065 | 38 | 1,143 | |
| 1912 | D | 1,004 | 24 | 1,050 | |
| 1908 | D | 876 | 476 | 1,392 | |
| 1904 | D | 918 | 159 | 1,119 | |
| 1900 | D | 780 | 216 | 1,006 | |
| 1896 | D | 1,094 | 371 | 1,518 | |
| 1892 | D | 1,259 | 390 | 1,839 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Sumter County, home to Americus and historically part of Georgia's Black Belt, has shifted from a reliably Democratic stronghold to a true battleground, with the 2024 presidential race decided by just over two points.
The Democratic margin in Sumter County has rarely exceeded ninety-four points in modern history; the Republican margin has rarely exceeded fifty-six points. 2024 delivered the county to the Democratic candidate by two points.
Sumter County's demographics resemble the country more than they resemble most counties. A 41% non-Hispanic-white share, a 24% poverty rate, and a median household income of $42,653 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Waldo County and Caddo Parish.
