| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 8,620 | 18,424 | 27,370 | |
| 2020 | R | 8,162 | 16,595 | 25,168 | |
| 2016 | R | 5,581 | 13,425 | 20,353 | |
| 2012 | R | 4,421 | 13,098 | 17,859 | |
| 2008 | R | 4,825 | 12,120 | 17,132 | |
| 2004 | R | 3,789 | 10,276 | 14,199 | |
| 2000 | R | 3,184 | 7,611 | 11,168 | |
| 1996 | R | 2,992 | 5,116 | 8,813 | |
| 1992 | R | 2,745 | 4,125 | 8,076 | |
| 1988 | R | 1,990 | 4,265 | 6,282 | |
| 1984 | R | 1,467 | 3,471 | 4,938 | |
| 1980 | D | 2,141 | 2,065 | 4,367 | |
| 1976 | D | 2,228 | 1,184 | 3,412 | |
| 1972 | R | 464 | 2,029 | 2,493 | |
| 1968 | R | 414 | 713 | 2,532 | |
| 1964 | R | 1,073 | 1,241 | 2,314 | |
| 1960 | D | 1,218 | 297 | 1,515 | |
| 1956 | D | 1,156 | 314 | 1,470 | |
| 1952 | D | 1,182 | 337 | 1,519 | |
| 1948 | D | 579 | 94 | 935 | |
| 1944 | D | 570 | 195 | 765 | |
| 1940 | D | 635 | 177 | 817 | |
| 1936 | D | 483 | 173 | 659 | |
| 1932 | D | 664 | 39 | 718 | |
| 1928 | D | 344 | 300 | 644 | |
| 1924 | D | 279 | 46 | 387 | |
| 1920 | D | 341 | 108 | 449 | |
| 1916 | D | 497 | 0 | 663 | |
| 1912 | D | 208 | 1 | 389 | |
| 1908 | D | 136 | 51 | 427 | |
| 1904 | D | 198 | 99 | 549 | |
| 1900 | D | 251 | 148 | 505 | |
| 1896 | R | 330 | 358 | 689 | |
| 1892 | D | 282 | 178 | 920 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Oconee County sits just east of Athens-Clarke County yet votes in near-mirror-image fashion, posting Republican presidential margins above 35 points while its population has roughly doubled since 2000 on the strength of exurban growth.
The unraveling was not abrupt. The Democratic margin in Oconee County peaked at eighty-seven points in 1932; 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 forty-one points. By 2024, the margin had settled into deep Republican territory.
The economic and demographic context is severe. Oconee County's median household income of $121,217 is among the lowest of any county in the United States; 6% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Lee County and Hall County.
