| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,533 | 4,720 | 6,341 | |
| 2020 | R | 1,644 | 4,482 | 6,225 | |
| 2016 | R | 1,420 | 4,013 | 5,636 | |
| 2012 | R | 1,669 | 3,495 | 5,219 | |
| 2008 | R | 1,890 | 3,305 | 5,275 | |
| 2004 | R | 1,724 | 3,479 | 5,236 | |
| 2000 | R | 1,458 | 3,044 | 4,588 | |
| 1996 | R | 1,639 | 2,116 | 4,161 | |
| 1992 | R | 2,008 | 2,098 | 4,695 | |
| 1988 | R | 1,950 | 2,445 | 4,454 | |
| 1984 | R | 1,786 | 2,804 | 4,655 | |
| 1980 | D | 2,147 | 2,008 | 4,249 | |
| 1976 | D | 2,376 | 1,765 | 4,235 | |
| 1972 | R | 1,552 | 2,378 | 4,051 | |
| 1968 | R | 1,675 | 1,863 | 4,019 | |
| 1964 | D | 2,790 | 1,561 | 4,351 | |
| 1960 | R | 2,391 | 2,632 | 5,023 | |
| 1956 | R | 2,084 | 2,536 | 4,637 | |
| 1952 | R | 2,114 | 2,290 | 4,415 | |
| 1948 | D | 2,121 | 1,813 | 3,962 | |
| 1944 | R | 2,283 | 2,353 | 4,654 | |
| 1940 | D | 2,612 | 2,362 | 4,976 | |
| 1936 | D | 2,516 | 2,391 | 4,943 | |
| 1932 | D | 2,841 | 2,340 | 5,203 | |
| 1928 | R | 2,266 | 2,933 | 5,204 | |
| 1924 | R | 2,238 | 2,286 | 4,537 | |
| 1920 | R | 2,600 | 2,892 | 5,502 | |
| 1916 | D | 1,654 | 1,654 | 3,323 | |
| 1912 | D | 1,329 | 1,170 | 2,821 | |
| 1908 | D | 1,615 | 1,515 | 3,152 | |
| 1904 | D | 1,482 | 1,448 | 2,969 | |
| 1900 | D | 1,669 | 1,600 | 3,299 | |
| 1896 | R | 1,536 | 1,573 | 3,177 | |
| 1892 | D | 1,193 | 1,035 | 2,491 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Washington County delivered a 50-point Republican margin in 2024, reflecting the deep rural realignment that has reshaped small agricultural communities across central Kentucky over the past two decades.
The Republican margin in Washington County reached its widest at fifty points in 2024. The margin in 2024 was fifty points, in line with the county's deep historical pattern.
Washington County's loyalty is rooted in its place. Median household income of $61,616, a 87% non-Hispanic-white share, and a population of 12,140 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 Toole County and Kootenai County.
