| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 29,361 | 39,497 | 69,974 | |
| 2020 | R | 27,211 | 40,032 | 68,371 | |
| 2016 | R | 19,827 | 35,809 | 58,176 | |
| 2012 | R | 18,642 | 32,994 | 52,392 | |
| 2008 | R | 20,082 | 30,930 | 51,614 | |
| 2004 | R | 15,003 | 28,025 | 43,234 | |
| 2000 | D | 25,688 | 12,562 | 38,607 | |
| 1996 | R | 10,626 | 19,182 | 32,676 | |
| 1992 | R | 10,747 | 17,010 | 33,072 | |
| 1988 | R | 9,338 | 19,711 | 29,125 | |
| 1984 | R | 7,222 | 19,369 | 26,697 | |
| 1980 | R | 7,578 | 13,573 | 22,181 | |
| 1976 | R | 8,155 | 10,830 | 19,147 | |
| 1972 | R | 2,701 | 12,134 | 15,135 | |
| 1968 | R | 3,053 | 9,334 | 16,248 | |
| 1964 | R | 6,066 | 8,780 | 14,846 | |
| 1960 | R | 4,611 | 10,835 | 15,446 | |
| 1956 | R | 4,003 | 9,243 | 13,246 | |
| 1952 | R | 3,803 | 8,768 | 12,571 | |
| 1948 | R | 3,311 | 4,971 | 9,632 | |
| 1944 | D | 5,679 | 4,613 | 10,292 | |
| 1940 | D | 6,336 | 3,712 | 10,048 | |
| 1936 | D | 5,747 | 5,099 | 10,846 | |
| 1932 | D | 5,255 | 4,172 | 9,490 | |
| 1928 | R | 3,149 | 5,210 | 8,359 | |
| 1924 | R | 3,007 | 3,548 | 6,603 | |
| 1920 | R | 2,496 | 3,337 | 5,833 | |
| 1916 | R | 1,166 | 1,795 | 2,961 | |
| 1912 | D | 1,092 | 801 | 2,275 | |
| 1908 | R | 917 | 1,602 | 2,519 | |
| 1904 | R | 887 | 1,341 | 2,228 | |
| 1900 | R | 973 | 1,482 | 2,455 | |
| 1896 | R | 1,022 | 1,459 | 2,493 | |
| 1892 | R | 835 | 1,197 | 2,137 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Henderson County's population has grown steadily as retirees relocate to the Blue Ridge foothills, adding new residents to a county that nonetheless delivered a 14.5-point Republican margin in 2024.
The Republican margin in Henderson County reached its widest at sixty-two points in 1972. The margin in 2024 was fourteen points, in line with the county's deep historical pattern.
Henderson County's loyalty is rooted in its place. Median household income of $68,187, a 82% non-Hispanic-white share, and a population of 118,484 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Gaston County and Transylvania County.
