| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 30,859 | 48,444 | 81,241 | |
| 2020 | R | 32,271 | 48,129 | 82,198 | |
| 2016 | R | 24,214 | 42,958 | 71,998 | |
| 2012 | R | 24,920 | 41,389 | 67,704 | |
| 2008 | R | 26,480 | 40,714 | 68,213 | |
| 2004 | R | 22,834 | 43,664 | 67,123 | |
| 2000 | R | 19,100 | 35,363 | 56,249 | |
| 1996 | R | 19,407 | 28,579 | 52,180 | |
| 1992 | R | 16,344 | 27,261 | 53,135 | |
| 1988 | R | 14,838 | 30,738 | 45,793 | |
| 1984 | R | 14,642 | 34,304 | 49,245 | |
| 1980 | R | 17,907 | 25,965 | 46,232 | |
| 1976 | R | 18,833 | 22,087 | 41,680 | |
| 1972 | R | 12,872 | 28,076 | 42,121 | |
| 1968 | R | 14,656 | 17,263 | 39,557 | |
| 1964 | D | 23,103 | 15,630 | 38,795 | |
| 1960 | R | 19,466 | 21,857 | 41,323 | |
| 1956 | R | 14,923 | 20,895 | 36,070 | |
| 1952 | D | 19,457 | 19,200 | 38,709 | |
| 1948 | D | 18,918 | 10,771 | 30,200 | |
| 1944 | D | 17,524 | 12,654 | 30,236 | |
| 1940 | D | 19,261 | 13,147 | 32,482 | |
| 1936 | D | 21,879 | 8,885 | 34,667 | |
| 1932 | D | 22,311 | 11,202 | 34,263 | |
| 1928 | R | 18,165 | 21,043 | 39,285 | |
| 1924 | R | 7,948 | 13,537 | 30,539 | |
| 1920 | D | 16,300 | 11,411 | 28,730 | |
| 1916 | D | 10,402 | 5,267 | 16,183 | |
| 1912 | D | 7,761 | 2,512 | 13,755 | |
| 1908 | D | 8,683 | 6,431 | 15,777 | |
| 1904 | R | 5,760 | 6,306 | 13,098 | |
| 1900 | D | 7,263 | 5,650 | 13,268 | |
| 1896 | D | 7,008 | 6,165 | 13,322 | |
| 1892 | D | 5,686 | 3,494 | 9,545 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Kenton County sits directly across the Ohio River from Cincinnati, making it one of northern Kentucky's most populous suburban counties. Once competitive, it has moved toward consistent Republican margins above 20 points in recent presidential cycles.
The Republican margin in Kenton County reached its widest at forty points in 1984. The margin in 2024 was twenty-two points, in line with the county's deep historical pattern.
Kenton County's loyalty is rooted in its place. Median household income of $80,548, a 86% non-Hispanic-white share, and a population of 171,288 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 Campbell County and Union County.
