| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 4,491 | 7,638 | 12,385 | |
| 2020 | R | 4,551 | 7,301 | 12,141 | |
| 2016 | R | 3,872 | 6,271 | 11,055 | |
| 2012 | D | 5,713 | 4,913 | 10,892 | |
| 2008 | D | 5,921 | 4,993 | 11,234 | |
| 2004 | D | 5,825 | 5,694 | 11,698 | |
| 2000 | D | 5,020 | 4,646 | 10,223 | |
| 1996 | D | 4,732 | 3,466 | 9,861 | |
| 1992 | D | 3,977 | 3,583 | 10,658 | |
| 1988 | R | 4,114 | 5,004 | 9,200 | |
| 1984 | R | 4,351 | 6,342 | 10,760 | |
| 1980 | R | 4,010 | 6,452 | 11,312 | |
| 1976 | R | 4,758 | 5,984 | 10,957 | |
| 1972 | R | 3,155 | 7,107 | 10,460 | |
| 1968 | R | 3,918 | 6,257 | 10,607 | |
| 1964 | D | 5,813 | 4,824 | 10,651 | |
| 1960 | R | 3,926 | 7,507 | 11,444 | |
| 1956 | R | 3,427 | 7,004 | 10,440 | |
| 1952 | R | 2,612 | 8,405 | 11,057 | |
| 1948 | R | 4,414 | 5,587 | 10,128 | |
| 1944 | R | 3,183 | 6,339 | 9,562 | |
| 1940 | R | 3,826 | 7,839 | 11,704 | |
| 1936 | R | 4,764 | 5,054 | 10,404 | |
| 1932 | D | 5,166 | 4,979 | 10,325 | |
| 1928 | R | 2,143 | 7,719 | 9,925 | |
| 1924 | R | 460 | 5,550 | 8,845 | |
| 1920 | R | 899 | 7,341 | 8,544 | |
| 1916 | R | 1,313 | 2,945 | 4,517 | |
| 1912 | R | 990 | 1,169 | 4,460 | |
| 1908 | R | 1,153 | 3,259 | 4,666 | |
| 1904 | R | 554 | 3,242 | 4,045 | |
| 1900 | R | 1,364 | 3,741 | 5,359 | |
| 1896 | R | 1,939 | 4,195 | 6,351 | |
| 1892 | D | 2,925 | 1,346 | 5,174 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Fillmore County's rolling karst terrain and small agricultural towns anchor a voting pattern that shifted roughly 10 points toward Republicans between 2012 and 2024, reflecting broader rural realignment across southeastern Minnesota.
The Republican margin in Fillmore County reached its widest at seventy-five points in 1920. The margin in 2024 was twenty-five points, in line with the county's deep historical pattern.
Fillmore County's loyalty is rooted in its place. Median household income of $77,512, a 95% non-Hispanic-white share, and a population of 21,414 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 Juneau County and Monroe County.
