| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 7,779 | 16,738 | 24,663 | |
| 2020 | R | 6,739 | 14,244 | 21,340 | |
| 2016 | R | 4,014 | 10,529 | 15,271 | |
| 2012 | R | 3,707 | 9,560 | 13,476 | |
| 2008 | R | 3,636 | 9,112 | 12,845 | |
| 2004 | R | 2,590 | 7,363 | 9,994 | |
| 2000 | R | 2,172 | 4,835 | 7,059 | |
| 1996 | R | 2,152 | 3,577 | 6,269 | |
| 1992 | R | 2,031 | 2,789 | 5,928 | |
| 1988 | R | 1,423 | 2,802 | 4,235 | |
| 1984 | R | 1,398 | 2,265 | 3,663 | |
| 1980 | D | 1,966 | 1,212 | 3,235 | |
| 1976 | D | 2,045 | 761 | 2,806 | |
| 1972 | R | 263 | 1,409 | 1,672 | |
| 1968 | D | 560 | 381 | 2,369 | |
| 1964 | R | 857 | 1,433 | 2,290 | |
| 1960 | D | 1,323 | 428 | 1,751 | |
| 1956 | D | 1,242 | 331 | 1,573 | |
| 1952 | D | 971 | 331 | 1,302 | |
| 1948 | D | 1,147 | 135 | 1,759 | |
| 1944 | D | 688 | 90 | 778 | |
| 1940 | D | 874 | 49 | 925 | |
| 1936 | D | 632 | 63 | 699 | |
| 1932 | D | 353 | 17 | 373 | |
| 1928 | D | 219 | 151 | 370 | |
| 1924 | D | 196 | 9 | 208 | |
| 1920 | D | 175 | 21 | 196 | |
| 1916 | D | 295 | 17 | 321 | |
| 1912 | D | 236 | 23 | 274 | |
| 1908 | — | — | — | — | |
| 1904 | D | 259 | 125 | 456 | |
| 1900 | D | 246 | 165 | 417 | |
| 1896 | D | 259 | 171 | 439 | |
| 1892 | D | 292 | 147 | 443 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Bryan County sits at the southeastern edge of Georgia's development corridor, drawing suburban spillover from Savannah while maintaining lopsided Republican presidential margins — R+36.3 in 2024 — that have held steady across recent cycles.
The unraveling was not abrupt. The Democratic margin in Bryan County peaked at ninety 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 twenty-four points. By 2024, the margin had settled into deep Republican territory.
The economic and demographic context is severe. Bryan County's median household income of $103,408 is among the lowest of any county in the United States; 7% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Hall County and Coweta County.
