| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,252 | 6,041 | 9,427 | |
| 2020 | R | 3,239 | 5,719 | 9,065 | |
| 2016 | R | 2,808 | 4,709 | 7,891 | |
| 2012 | D | 4,014 | 3,992 | 8,105 | |
| 2008 | D | 4,068 | 3,654 | 7,846 | |
| 2004 | R | 3,785 | 4,604 | 8,477 | |
| 2000 | R | 3,437 | 3,522 | 7,194 | |
| 1996 | D | 2,859 | 2,208 | 6,119 | |
| 1992 | D | 2,533 | 2,322 | 6,720 | |
| 1988 | R | 2,463 | 3,059 | 5,567 | |
| 1984 | R | 2,032 | 3,406 | 5,512 | |
| 1980 | R | 2,180 | 3,166 | 5,779 | |
| 1976 | R | 2,516 | 2,607 | 5,209 | |
| 1972 | R | 1,537 | 2,682 | 4,284 | |
| 1968 | R | 1,228 | 2,374 | 3,882 | |
| 1964 | D | 1,927 | 1,881 | 3,816 | |
| 1960 | R | 1,249 | 2,947 | 4,203 | |
| 1956 | R | 975 | 2,796 | 3,785 | |
| 1952 | R | 835 | 3,379 | 4,218 | |
| 1948 | R | 1,095 | 2,033 | 3,166 | |
| 1944 | R | 1,016 | 2,853 | 3,883 | |
| 1940 | R | 1,195 | 3,086 | 4,312 | |
| 1936 | R | 1,812 | 1,957 | 3,917 | |
| 1932 | D | 2,504 | 1,365 | 3,922 | |
| 1928 | R | 1,313 | 2,554 | 3,903 | |
| 1924 | R | 587 | 1,109 | 3,556 | |
| 1920 | R | 687 | 2,436 | 3,196 | |
| 1916 | R | 923 | 1,377 | 2,344 | |
| 1912 | D | 923 | 881 | 2,235 | |
| 1908 | R | 798 | 1,555 | 2,414 | |
| 1904 | R | 752 | 1,604 | 2,450 | |
| 1900 | R | 866 | 1,560 | 2,473 | |
| 1896 | R | 827 | 1,476 | 2,349 | |
| 1892 | D | 1,198 | 877 | 2,134 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
With roughly 15,800 residents spread across lakes and farmland, Marquette County delivered a nearly 30-point Republican margin in 2024, consistent with the rightward drift seen across rural central Wisconsin over the past decade.
The Republican margin in Marquette County reached its widest at sixty points in 1952. The margin in 2024 was thirty points, in line with the county's deep historical pattern.
Marquette County's loyalty is rooted in its place. Median household income of $65,681, a 93% non-Hispanic-white share, and a population of 15,746 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 Bureau County and Monroe County.
