| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,812 | 4,651 | 6,545 | |
| 2020 | R | 2,220 | 4,854 | 7,154 | |
| 2016 | R | 1,991 | 4,617 | 7,037 | |
| 2012 | R | 3,066 | 3,595 | 6,752 | |
| 2008 | D | 3,715 | 3,345 | 7,191 | |
| 2004 | R | 3,220 | 3,955 | 7,242 | |
| 2000 | R | 2,838 | 3,482 | 6,555 | |
| 1996 | D | 3,140 | 2,686 | 6,715 | |
| 1992 | D | 3,004 | 2,693 | 7,672 | |
| 1988 | D | 3,868 | 3,375 | 7,311 | |
| 1984 | R | 3,396 | 4,552 | 8,053 | |
| 1980 | R | 2,500 | 4,883 | 8,002 | |
| 1976 | D | 3,903 | 3,879 | 7,948 | |
| 1972 | R | 3,018 | 4,493 | 7,667 | |
| 1968 | R | 2,851 | 4,287 | 7,744 | |
| 1964 | D | 5,024 | 2,999 | 8,037 | |
| 1960 | R | 3,720 | 4,791 | 8,518 | |
| 1956 | R | 3,749 | 4,608 | 8,374 | |
| 1952 | R | 3,107 | 5,646 | 8,868 | |
| 1948 | D | 3,983 | 3,267 | 7,485 | |
| 1944 | R | 3,218 | 4,242 | 7,509 | |
| 1940 | R | 4,130 | 5,284 | 9,449 | |
| 1936 | D | 5,720 | 3,514 | 9,502 | |
| 1932 | D | 6,084 | 2,334 | 8,942 | |
| 1928 | D | 4,495 | 3,436 | 7,981 | |
| 1924 | R | 1,255 | 2,882 | 7,949 | |
| 1920 | R | 2,151 | 5,473 | 7,972 | |
| 1916 | R | 1,919 | 2,756 | 4,730 | |
| 1912 | D | 2,193 | 1,169 | 4,670 | |
| 1908 | D | 2,322 | 2,169 | 4,588 | |
| 1904 | R | 2,004 | 2,530 | 4,678 | |
| 1900 | D | 2,578 | 2,268 | 4,961 | |
| 1896 | D | 2,396 | 2,189 | 4,659 | |
| 1892 | D | 2,272 | 1,511 | 3,940 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Crawford County's R+43.4 presidential margin in 2024 reflects a broader rural Iowa realignment, yet its population of roughly 17,000 includes a notable Latino meatpacking workforce that has reshaped the county's demography over two decades.
The Republican margin in Crawford County reached its widest at forty-three points in 2024. The margin in 2024 was forty-three points, in line with the county's deep historical pattern.
Crawford County's loyalty is rooted in its place. Median household income of $67,027, a 66% non-Hispanic-white share, and a population of 16,277 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 Clark County and Murray County.
