| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,676 | 8,773 | 12,759 | |
| 2020 | R | 3,690 | 8,479 | 12,477 | |
| 2016 | R | 2,892 | 7,185 | 11,082 | |
| 2012 | R | 3,694 | 6,984 | 10,990 | |
| 2008 | R | 4,433 | 7,079 | 11,739 | |
| 2004 | R | 3,921 | 7,391 | 11,476 | |
| 2000 | R | 3,321 | 5,925 | 9,658 | |
| 1996 | R | 3,552 | 5,007 | 9,835 | |
| 1992 | R | 2,968 | 3,699 | 9,883 | |
| 1988 | R | 3,592 | 4,777 | 8,465 | |
| 1984 | R | 2,523 | 6,284 | 8,899 | |
| 1980 | R | 2,726 | 5,525 | 8,808 | |
| 1976 | R | 3,607 | 4,760 | 8,578 | |
| 1972 | R | 2,056 | 6,011 | 8,267 | |
| 1968 | R | 2,524 | 4,875 | 8,239 | |
| 1964 | D | 4,410 | 3,725 | 8,221 | |
| 1960 | R | 2,824 | 6,158 | 9,029 | |
| 1956 | R | 2,591 | 6,557 | 9,181 | |
| 1952 | R | 2,532 | 6,983 | 9,584 | |
| 1948 | R | 3,467 | 5,145 | 8,834 | |
| 1944 | R | 2,880 | 5,375 | 8,310 | |
| 1940 | R | 3,542 | 6,393 | 10,020 | |
| 1936 | R | 4,503 | 6,007 | 10,538 | |
| 1932 | R | 4,690 | 4,887 | 9,742 | |
| 1928 | R | 1,951 | 7,346 | 9,370 | |
| 1924 | R | 2,324 | 6,008 | 8,960 | |
| 1920 | R | 2,606 | 5,216 | 8,005 | |
| 1916 | D | 4,128 | 3,885 | 8,601 | |
| 1912 | D | 1,970 | 672 | 4,889 | |
| 1908 | R | 2,155 | 2,658 | 5,040 | |
| 1904 | R | 1,310 | 2,855 | 4,543 | |
| 1900 | R | 2,605 | 2,872 | 5,571 | |
| 1896 | D | 3,152 | 2,609 | 5,810 | |
| 1892 | R | 0 | 2,431 | 4,796 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Franklin County sits in eastern Kansas with an economy anchored by agriculture and small manufacturing. Its presidential margins have grown steadily over two decades, reflecting a broader rural realignment visible across the Great Plains.
The Republican margin in Franklin County reached its widest at fifty-eight points in 1928. The margin in 2024 was forty points, in line with the county's deep historical pattern.
Franklin County's loyalty is rooted in its place. Median household income of $77,207, a 91% non-Hispanic-white share, and a population of 26,106 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 Thayer County and Goshen County.
