| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,334 | 5,578 | 7,000 | |
| 2020 | R | 1,474 | 5,534 | 7,068 | |
| 2016 | R | 1,348 | 4,722 | 6,260 | |
| 2012 | R | 1,911 | 3,780 | 5,782 | |
| 2008 | R | 2,279 | 3,432 | 5,832 | |
| 2004 | R | 2,406 | 3,749 | 6,203 | |
| 2000 | R | 1,813 | 3,282 | 5,179 | |
| 1996 | R | 1,913 | 2,313 | 4,764 | |
| 1992 | D | 2,257 | 2,045 | 5,135 | |
| 1988 | R | 2,086 | 2,409 | 4,522 | |
| 1984 | R | 1,616 | 2,824 | 4,459 | |
| 1980 | R | 2,051 | 2,189 | 4,315 | |
| 1976 | D | 2,317 | 1,647 | 3,983 | |
| 1972 | R | 1,455 | 2,484 | 3,982 | |
| 1968 | R | 1,406 | 2,220 | 4,167 | |
| 1964 | D | 2,678 | 1,668 | 4,352 | |
| 1960 | R | 2,216 | 2,777 | 4,993 | |
| 1956 | R | 2,519 | 2,744 | 5,280 | |
| 1952 | R | 2,446 | 2,592 | 5,050 | |
| 1948 | D | 2,722 | 2,088 | 4,852 | |
| 1944 | R | 2,612 | 2,666 | 5,292 | |
| 1940 | D | 2,999 | 2,855 | 5,868 | |
| 1936 | D | 2,879 | 2,749 | 5,649 | |
| 1932 | D | 3,442 | 2,638 | 6,124 | |
| 1928 | R | 2,086 | 3,798 | 5,888 | |
| 1924 | D | 2,590 | 2,572 | 5,209 | |
| 1920 | D | 3,488 | 2,960 | 6,474 | |
| 1916 | D | 2,240 | 1,836 | 4,117 | |
| 1912 | D | 1,915 | 1,400 | 3,807 | |
| 1908 | D | 2,057 | 1,984 | 4,097 | |
| 1904 | D | 1,712 | 1,707 | 3,499 | |
| 1900 | D | 2,180 | 2,109 | 4,330 | |
| 1896 | D | 2,013 | 1,935 | 4,034 | |
| 1892 | D | 1,787 | 1,567 | 3,544 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Fleming County's R+60.6 margin in 2024 places it among the most one-sided presidential counties in the state, reflecting the rural Appalachian-adjacent shift that has reshaped northeastern Kentucky over the past two decades.
The Democratic margin in Fleming County peaked at twenty-three points in 1964. By 1996 the county had flipped, voting Republican for the first time in many years. The 2024 margin was sixty-one points, the most Republican-leaning result in the county's modern history.
The economic context is the key. Fleming County's median household income of $49,307 sits well below state and national norms, and 21% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country. The county's voting pattern over the last decade is most similar to that of Clearfield County and Andrew County.