| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 45,509 | 91,281 | 138,501 | |
| 2020 | R | 42,203 | 85,122 | 129,305 | |
| 2016 | R | 23,462 | 69,851 | 98,964 | |
| 2012 | R | 14,571 | 65,908 | 81,900 | |
| 2008 | R | 15,406 | 59,166 | 75,376 | |
| 2004 | R | 9,201 | 47,267 | 56,919 | |
| 2000 | R | 6,694 | 27,769 | 35,755 | |
| 1996 | R | 5,957 | 15,013 | 23,159 | |
| 1992 | R | 4,936 | 8,652 | 17,086 | |
| 1988 | R | 2,347 | 7,947 | 10,344 | |
| 1984 | R | 2,275 | 6,841 | 9,116 | |
| 1980 | D | 4,325 | 3,157 | 7,736 | |
| 1976 | D | 4,693 | 1,443 | 6,136 | |
| 1972 | R | 549 | 2,968 | 3,517 | |
| 1968 | R | 647 | 1,389 | 4,433 | |
| 1964 | D | 1,682 | 1,471 | 3,154 | |
| 1960 | D | 2,309 | 841 | 3,150 | |
| 1956 | D | 1,998 | 1,131 | 3,129 | |
| 1952 | D | 1,391 | 536 | 1,927 | |
| 1948 | D | 1,813 | 573 | 2,662 | |
| 1944 | D | 1,047 | 695 | 1,742 | |
| 1940 | D | 1,378 | 634 | 2,012 | |
| 1936 | D | 780 | 551 | 1,331 | |
| 1932 | D | 1,627 | 117 | 1,750 | |
| 1928 | R | 287 | 934 | 1,221 | |
| 1924 | D | 715 | 298 | 1,030 | |
| 1920 | D | 813 | 741 | 1,554 | |
| 1916 | D | 1,146 | 166 | 1,548 | |
| 1912 | D | 235 | 15 | 413 | |
| 1908 | R | 150 | 345 | 576 | |
| 1904 | D | 455 | 357 | 1,065 | |
| 1900 | D | 318 | 270 | 635 | |
| 1896 | D | 482 | 259 | 770 | |
| 1892 | D | 645 | 163 | 1,583 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Forsyth County has transformed from a rural backwater into a booming suburb north of Atlanta, with rapid population growth driven by in-migration that has so far reinforced rather than eroded its lopsided Republican margins.
The unraveling was not abrupt. The Democratic margin in Forsyth County peaked at eighty-six 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 fifty points. By 2024, the margin had settled into deep Republican territory.
The economic and demographic context is severe. Forsyth County's median household income of $143,784 is among the lowest of any county in the United States; 4% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Oldham County and Cleveland County.