| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,023 | 2,711 | 3,795 | |
| 2020 | R | 1,080 | 2,711 | 3,857 | |
| 2016 | R | 963 | 2,407 | 3,633 | |
| 2012 | R | 1,637 | 1,972 | 3,668 | |
| 2008 | R | 1,848 | 1,989 | 3,894 | |
| 2004 | R | 1,510 | 2,362 | 3,911 | |
| 2000 | R | 1,459 | 2,069 | 3,616 | |
| 1996 | R | 1,481 | 1,576 | 3,562 | |
| 1992 | R | 1,422 | 1,459 | 3,911 | |
| 1988 | R | 1,547 | 1,946 | 3,527 | |
| 1984 | R | 1,426 | 2,686 | 4,147 | |
| 1980 | R | 1,203 | 2,693 | 4,131 | |
| 1976 | R | 1,964 | 2,163 | 4,176 | |
| 1972 | R | 1,210 | 2,642 | 3,907 | |
| 1968 | R | 1,484 | 2,385 | 4,270 | |
| 1964 | D | 2,703 | 2,044 | 4,761 | |
| 1960 | R | 2,307 | 3,027 | 5,336 | |
| 1956 | R | 2,254 | 3,241 | 5,511 | |
| 1952 | R | 2,085 | 3,802 | 5,894 | |
| 1948 | R | 2,637 | 2,698 | 5,378 | |
| 1944 | R | 2,747 | 3,113 | 5,877 | |
| 1940 | D | 3,914 | 3,825 | 7,764 | |
| 1936 | D | 4,301 | 3,291 | 7,617 | |
| 1932 | D | 4,585 | 2,339 | 6,989 | |
| 1928 | R | 2,822 | 3,597 | 6,457 | |
| 1924 | R | 2,525 | 3,313 | 6,223 | |
| 1920 | R | 2,524 | 3,776 | 6,364 | |
| 1916 | D | 2,085 | 1,732 | 3,903 | |
| 1912 | D | 1,762 | 973 | 3,699 | |
| 1908 | D | 1,979 | 1,949 | 4,008 | |
| 1904 | R | 1,511 | 2,227 | 3,911 | |
| 1900 | D | 2,399 | 2,170 | 4,658 | |
| 1896 | D | 2,857 | 1,948 | 4,845 | |
| 1892 | D | 1,716 | 1,635 | 3,954 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Fremont County, tucked into Iowa's southwestern corner along the Missouri River, recorded an R+44.5 presidential margin in 2024—among the widest in the state—reflecting the deep rural realignment that has reshaped small agricultural counties over the past decade.
The Republican margin in Fremont County reached its widest at forty-four points in 2024. The margin in 2024 was forty-four points, in line with the county's deep historical pattern.
Fremont County's loyalty is rooted in its place. Median household income of $71,621, a 92% non-Hispanic-white share, and a population of 6,514 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 Schuyler County.
