| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,699 | 9,907 | 12,822 | |
| 2020 | R | 3,207 | 10,093 | 13,509 | |
| 2016 | R | 2,663 | 9,020 | 12,304 | |
| 2012 | R | 3,854 | 7,408 | 11,594 | |
| 2008 | R | 4,861 | 7,148 | 12,225 | |
| 2004 | R | 5,384 | 7,686 | 13,158 | |
| 2000 | R | 4,937 | 6,341 | 11,518 | |
| 1996 | D | 4,882 | 4,235 | 10,447 | |
| 1992 | D | 5,102 | 4,192 | 11,229 | |
| 1988 | R | 4,573 | 5,696 | 10,291 | |
| 1984 | R | 4,147 | 7,117 | 11,310 | |
| 1980 | R | 4,120 | 6,041 | 10,581 | |
| 1976 | R | 5,334 | 5,360 | 10,694 | |
| 1972 | R | 3,007 | 7,226 | 10,233 | |
| 1968 | R | 3,462 | 5,173 | 9,582 | |
| 1964 | D | 5,022 | 4,359 | 9,381 | |
| 1960 | R | 3,615 | 5,535 | 9,150 | |
| 1956 | R | 2,596 | 4,984 | 7,580 | |
| 1952 | R | 2,597 | 4,845 | 7,442 | |
| 1948 | R | 2,639 | 4,277 | 6,923 | |
| 1944 | R | 2,401 | 4,486 | 6,887 | |
| 1940 | R | 3,299 | 5,104 | 8,403 | |
| 1936 | R | 3,453 | 4,711 | 8,172 | |
| 1932 | D | 4,131 | 4,084 | 8,215 | |
| 1928 | R | 2,452 | 4,150 | 6,602 | |
| 1924 | R | 2,936 | 3,739 | 6,734 | |
| 1920 | R | 2,831 | 4,330 | 7,181 | |
| 1916 | R | 2,032 | 2,474 | 4,535 | |
| 1912 | D | 1,935 | 1,199 | 4,537 | |
| 1908 | R | 1,950 | 2,615 | 4,621 | |
| 1904 | R | 2,122 | 2,596 | 4,763 | |
| 1900 | D | 2,840 | 2,194 | 5,069 | |
| 1896 | R | 2,286 | 2,527 | 4,845 | |
| 1892 | R | 1,883 | 2,131 | 4,291 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Jackson County, with roughly 28,000 residents along the mid-Ohio River valley, delivered an R+56 presidential margin in 2024, reflecting the broader realignment of rural Appalachian communities that has accelerated steadily over the past two decades.
The Republican margin in Jackson County reached its widest at fifty-six points in 2024. The margin in 2024 was fifty-six points, in line with the county's deep historical pattern.
Jackson County's loyalty is rooted in its place. Median household income of $58,845, a 96% non-Hispanic-white share, and a population of 27,705 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 Crawford County and Lafayette County.