| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 7,397 | 21,607 | 29,413 | |
| 2020 | R | 7,304 | 20,593 | 28,271 | |
| 2016 | R | 6,529 | 17,076 | 25,257 | |
| 2012 | R | 9,684 | 14,037 | 24,372 | |
| 2008 | R | 9,077 | 14,228 | 23,787 | |
| 2004 | R | 8,579 | 14,161 | 22,852 | |
| 2000 | R | 6,598 | 10,717 | 17,740 | |
| 1996 | R | 7,042 | 8,666 | 17,501 | |
| 1992 | R | 5,765 | 8,690 | 18,930 | |
| 1988 | R | 4,905 | 10,796 | 15,794 | |
| 1984 | R | 4,110 | 11,942 | 16,160 | |
| 1980 | R | 5,052 | 9,289 | 15,170 | |
| 1976 | R | 5,907 | 7,695 | 14,045 | |
| 1972 | R | 2,978 | 9,661 | 13,002 | |
| 1968 | R | 3,536 | 6,690 | 12,564 | |
| 1964 | D | 7,310 | 5,317 | 12,627 | |
| 1960 | R | 4,870 | 7,821 | 12,691 | |
| 1956 | R | 4,509 | 6,956 | 11,465 | |
| 1952 | R | 5,109 | 6,836 | 11,945 | |
| 1948 | D | 5,290 | 4,965 | 10,262 | |
| 1944 | R | 5,362 | 5,997 | 11,359 | |
| 1940 | D | 6,895 | 5,974 | 12,869 | |
| 1936 | D | 7,813 | 4,920 | 12,763 | |
| 1932 | D | 6,414 | 4,395 | 10,907 | |
| 1928 | R | 3,894 | 5,871 | 9,806 | |
| 1924 | D | 4,539 | 4,166 | 9,009 | |
| 1920 | D | 5,645 | 5,273 | 10,939 | |
| 1916 | D | 3,820 | 2,629 | 6,512 | |
| 1912 | D | 3,311 | 2,282 | 6,317 | |
| 1908 | D | 4,007 | 3,119 | 7,229 | |
| 1904 | D | 3,492 | 2,976 | 6,668 | |
| 1900 | D | 4,033 | 3,201 | 7,373 | |
| 1896 | D | 4,165 | 3,370 | 7,619 | |
| 1892 | D | 3,759 | 2,953 | 6,885 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Pickaway County, anchored by Circleville south of Columbus, has swung toward Republican presidential candidates by widening margins over the past decade, reflecting a broader rural realignment visible across Ohio's agricultural interior.
The Republican margin in Pickaway County reached its widest at fifty-one points in 1972. The margin in 2024 was forty-eight points, in line with the county's deep historical pattern.
Pickaway County's loyalty is rooted in its place. Median household income of $74,040, a 91% non-Hispanic-white share, and a population of 60,131 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 Fayette County and Champaign County.
