| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,860 | 5,113 | 9,105 | |
| 2020 | R | 3,953 | 4,620 | 8,695 | |
| 2016 | R | 3,419 | 3,836 | 7,728 | |
| 2012 | D | 4,629 | 3,067 | 7,817 | |
| 2008 | D | 4,987 | 2,830 | 7,981 | |
| 2004 | D | 4,656 | 3,680 | 8,459 | |
| 2000 | D | 4,005 | 3,024 | 7,394 | |
| 1996 | D | 3,658 | 2,149 | 7,060 | |
| 1992 | D | 3,540 | 2,390 | 7,812 | |
| 1988 | D | 3,608 | 3,238 | 6,893 | |
| 1984 | R | 3,436 | 4,412 | 7,897 | |
| 1980 | R | 3,392 | 3,934 | 7,856 | |
| 1976 | D | 3,629 | 3,393 | 7,202 | |
| 1972 | R | 2,487 | 3,705 | 6,315 | |
| 1968 | R | 2,391 | 3,316 | 6,130 | |
| 1964 | D | 3,930 | 2,726 | 6,663 | |
| 1960 | R | 3,342 | 3,719 | 7,071 | |
| 1956 | R | 2,522 | 4,123 | 6,681 | |
| 1952 | R | 2,256 | 5,323 | 7,588 | |
| 1948 | D | 3,639 | 3,465 | 7,185 | |
| 1944 | R | 3,130 | 4,199 | 7,351 | |
| 1940 | R | 3,595 | 4,667 | 8,293 | |
| 1936 | D | 4,377 | 2,857 | 7,956 | |
| 1932 | D | 4,754 | 1,943 | 6,768 | |
| 1928 | R | 3,238 | 3,452 | 6,745 | |
| 1924 | R | 936 | 1,687 | 5,658 | |
| 1920 | R | 1,112 | 3,600 | 4,846 | |
| 1916 | R | 1,764 | 1,883 | 3,719 | |
| 1912 | D | 1,515 | 1,407 | 3,377 | |
| 1908 | R | 1,586 | 2,041 | 3,762 | |
| 1904 | R | 1,362 | 2,279 | 3,731 | |
| 1900 | R | 1,353 | 2,333 | 3,731 | |
| 1896 | R | 1,509 | 2,323 | 3,897 | |
| 1892 | R | 1,615 | 1,727 | 3,460 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Nestled along the Mississippi River bluffs, Crawford County backed Democratic presidential candidates as recently as 2008 but has moved roughly 20 points toward Republicans since, tracking a broader rural realignment across the Driftless region.
The Democratic margin in Crawford County has rarely exceeded forty-two points in modern history; the Republican margin has rarely exceeded fifty-one points. 2024 delivered the county to the Republican candidate by fourteen points.
Crawford County's demographics resemble the country more than they resemble most counties. A 93% non-Hispanic-white share, a 14% poverty rate, and a median household income of $64,094 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Vernon County and Roosevelt County.