| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,513 | 6,473 | 9,102 | |
| 2020 | R | 2,722 | 6,113 | 8,928 | |
| 2016 | R | 2,679 | 5,122 | 8,111 | |
| 2012 | R | 3,418 | 3,800 | 7,318 | |
| 2008 | R | 3,596 | 3,842 | 7,615 | |
| 2004 | R | 3,399 | 3,905 | 7,354 | |
| 2000 | R | 2,778 | 3,259 | 6,176 | |
| 1996 | D | 2,922 | 2,013 | 5,710 | |
| 1992 | D | 3,403 | 2,091 | 6,324 | |
| 1988 | D | 3,152 | 2,500 | 5,673 | |
| 1984 | R | 2,835 | 3,305 | 6,159 | |
| 1980 | D | 3,577 | 2,126 | 5,816 | |
| 1976 | D | 3,520 | 1,723 | 5,322 | |
| 1972 | R | 2,351 | 2,370 | 4,765 | |
| 1968 | D | 2,436 | 1,620 | 4,906 | |
| 1964 | D | 4,265 | 1,074 | 5,344 | |
| 1960 | D | 4,292 | 2,203 | 6,495 | |
| 1956 | R | 2,927 | 2,945 | 5,892 | |
| 1952 | D | 3,159 | 2,262 | 5,429 | |
| 1948 | D | 3,008 | 1,171 | 4,225 | |
| 1944 | D | 2,996 | 1,673 | 4,694 | |
| 1940 | D | 3,482 | 1,763 | 5,264 | |
| 1936 | D | 3,526 | 1,567 | 5,146 | |
| 1932 | D | 4,427 | 1,571 | 6,021 | |
| 1928 | D | 3,461 | 2,395 | 5,863 | |
| 1924 | D | 3,055 | 1,975 | 5,126 | |
| 1920 | D | 3,807 | 2,431 | 6,258 | |
| 1916 | D | 2,063 | 1,396 | 3,477 | |
| 1912 | D | 1,848 | 735 | 3,342 | |
| 1908 | D | 2,093 | 1,321 | 3,426 | |
| 1904 | D | 1,857 | 1,191 | 3,090 | |
| 1900 | D | 2,070 | 1,491 | 3,583 | |
| 1896 | D | 1,873 | 1,575 | 3,498 | |
| 1892 | D | 1,451 | 954 | 2,543 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Marion County's R+43.5 margin in 2024 reflects a broader realignment across rural Kentucky, where small agricultural communities have shifted decisively toward Republican presidential candidates over the past two decades.
The Republican margin in Marion County reached its widest at forty-four points in 2024. The margin in 2024 was forty-four points, in line with the county's deep historical pattern.
Marion County's loyalty is rooted in its place. Median household income of $59,627, a 88% non-Hispanic-white share, and a population of 19,749 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 Shoshone County and Carroll County.
