| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 10,557 | 17,685 | 28,679 | |
| 2020 | R | 10,617 | 16,012 | 27,116 | |
| 2016 | R | 7,759 | 13,349 | 22,218 | |
| 2012 | R | 8,285 | 11,580 | 20,211 | |
| 2008 | R | 8,802 | 10,711 | 19,741 | |
| 2004 | R | 5,476 | 10,026 | 15,605 | |
| 2000 | R | 4,364 | 7,440 | 12,244 | |
| 1996 | R | 3,907 | 5,688 | 10,553 | |
| 1992 | R | 3,444 | 5,226 | 10,466 | |
| 1988 | R | 2,555 | 5,896 | 8,599 | |
| 1984 | R | 2,255 | 5,596 | 7,926 | |
| 1980 | R | 2,519 | 4,312 | 7,255 | |
| 1976 | R | 2,892 | 3,659 | 6,696 | |
| 1972 | R | 1,316 | 3,707 | 5,092 | |
| 1968 | R | 1,239 | 2,229 | 4,694 | |
| 1964 | D | 1,886 | 1,775 | 3,665 | |
| 1960 | R | 1,332 | 1,630 | 2,971 | |
| 1956 | R | 966 | 1,502 | 2,661 | |
| 1952 | R | 987 | 1,507 | 2,498 | |
| 1948 | D | 804 | 682 | 1,699 | |
| 1944 | D | 1,022 | 750 | 1,773 | |
| 1940 | D | 1,208 | 579 | 1,794 | |
| 1936 | D | 1,266 | 551 | 1,824 | |
| 1932 | D | 1,349 | 417 | 1,782 | |
| 1928 | D | 836 | 753 | 1,589 | |
| 1924 | D | 876 | 190 | 1,108 | |
| 1920 | D | 973 | 330 | 1,306 | |
| 1916 | D | 849 | 184 | 1,038 | |
| 1912 | D | 752 | 108 | 915 | |
| 1908 | D | 962 | 233 | 1,197 | |
| 1904 | D | 798 | 209 | 1,010 | |
| 1900 | D | 1,512 | 847 | 2,360 | |
| 1896 | D | 1,704 | 1,113 | 2,841 | |
| 1892 | D | 1,561 | 991 | 2,564 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Culpeper has absorbed steady population growth from the Washington exurban corridor yet maintained presidential margins above R+20 for over a decade, suggesting newcomers are largely reinforcing rather than diluting the existing partisan composition.
The shift began with civil rights. 1968 marked the realignment in Culpeper County, by a twenty-one points margin. The Republican margin reached its widest at forty-seven points in 1972. The 2024 margin was twenty-five points.
The political shift has tracked, in Culpeper County, the political shift of the South more broadly. A 67% non-Hispanic-white share, a median household income of $100,049, and a 8% poverty rate describe the demographic context. The county's voting pattern over the last decade is most similar to that of Northumberland County and Mobile County.
