| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,505 | 7,824 | 9,418 | |
| 2020 | R | 1,642 | 7,587 | 9,364 | |
| 2016 | R | 1,349 | 6,466 | 8,096 | |
| 2012 | R | 1,808 | 5,184 | 7,100 | |
| 2008 | R | 2,024 | 5,258 | 7,390 | |
| 2004 | R | 1,923 | 5,202 | 7,163 | |
| 2000 | R | 1,950 | 4,415 | 6,429 | |
| 1996 | R | 1,781 | 3,032 | 5,230 | |
| 1992 | R | 2,040 | 2,747 | 5,415 | |
| 1988 | R | 1,573 | 3,342 | 4,923 | |
| 1984 | R | 1,521 | 3,427 | 4,964 | |
| 1980 | R | 2,010 | 3,186 | 5,278 | |
| 1976 | R | 2,231 | 2,508 | 4,778 | |
| 1972 | R | 1,259 | 3,025 | 4,332 | |
| 1968 | R | 927 | 2,952 | 4,790 | |
| 1964 | R | 2,023 | 2,309 | 4,342 | |
| 1960 | R | 1,663 | 3,410 | 5,073 | |
| 1956 | R | 1,975 | 3,200 | 5,193 | |
| 1952 | R | 1,750 | 2,946 | 4,717 | |
| 1948 | R | 1,605 | 2,280 | 3,985 | |
| 1944 | R | 1,742 | 3,120 | 4,886 | |
| 1940 | R | 2,036 | 3,232 | 5,289 | |
| 1936 | R | 2,422 | 3,070 | 5,505 | |
| 1932 | R | 3,116 | 3,219 | 6,368 | |
| 1928 | R | 1,562 | 4,253 | 5,815 | |
| 1924 | R | 2,373 | 3,132 | 5,541 | |
| 1920 | R | 2,255 | 3,476 | 5,770 | |
| 1916 | R | 1,647 | 2,147 | 3,832 | |
| 1912 | D | 1,366 | 1,186 | 3,325 | |
| 1908 | R | 1,402 | 1,922 | 3,391 | |
| 1904 | R | 1,379 | 1,768 | 3,216 | |
| 1900 | R | 1,494 | 1,725 | 3,271 | |
| 1896 | R | 1,460 | 1,595 | 3,100 | |
| 1892 | D | 1,116 | 989 | 2,387 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Allen County's R+67.1 margin in 2024 places it among the most lopsided presidential results in the state, reflecting the rural south-central Kentucky pattern of deep partisan consolidation over the past two decades.
The Republican margin in Allen County reached its widest at sixty-seven points in 2024. The margin in 2024 was sixty-seven points, in line with the county's deep historical pattern.
Allen County's loyalty is rooted in its place. Median household income of $61,403, a 94% non-Hispanic-white share, and a population of 21,293 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 Newton County and Taylor County.
