| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 894 | 3,627 | 4,638 | |
| 2020 | R | 962 | 3,758 | 4,825 | |
| 2016 | R | 787 | 3,320 | 4,409 | |
| 2012 | R | 1,219 | 3,029 | 4,423 | |
| 2008 | R | 1,593 | 2,639 | 4,432 | |
| 2004 | R | 1,494 | 2,884 | 4,484 | |
| 2000 | R | 1,364 | 2,723 | 4,271 | |
| 1996 | D | 1,903 | 1,890 | 4,673 | |
| 1992 | D | 1,785 | 1,679 | 4,850 | |
| 1988 | R | 2,120 | 2,658 | 4,886 | |
| 1984 | R | 1,776 | 3,468 | 5,314 | |
| 1980 | R | 1,543 | 3,045 | 5,118 | |
| 1976 | R | 2,201 | 2,639 | 4,960 | |
| 1972 | R | 1,685 | 3,207 | 5,014 | |
| 1968 | R | 1,695 | 2,650 | 4,568 | |
| 1964 | D | 2,691 | 1,938 | 4,637 | |
| 1960 | R | 2,108 | 2,460 | 4,582 | |
| 1956 | R | 1,929 | 2,463 | 4,392 | |
| 1952 | R | 1,247 | 2,396 | 3,658 | |
| 1948 | R | 1,397 | 1,555 | 3,017 | |
| 1944 | R | 1,362 | 1,549 | 2,927 | |
| 1940 | D | 1,765 | 1,612 | 3,392 | |
| 1936 | D | 2,169 | 1,221 | 3,410 | |
| 1932 | D | 1,929 | 1,470 | 3,457 | |
| 1928 | R | 1,065 | 2,207 | 3,286 | |
| 1924 | R | 346 | 1,326 | 2,619 | |
| 1920 | R | 875 | 1,784 | 2,791 | |
| 1916 | D | 2,835 | 2,105 | 5,127 | |
| 1912 | D | 719 | 678 | 2,782 | |
| 1908 | R | 439 | 927 | 1,456 | |
| 1904 | R | 189 | 769 | 993 | |
| 1900 | R | 209 | 521 | 737 | |
| 1896 | R | 177 | 385 | 565 | |
| 1892 | R | 268 | 343 | 642 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Dawson County, anchored by the small city of Glendive in eastern Montana, delivered a nearly 59-point Republican margin in 2024 — a figure consistent with the oil-patch and ranching economies that define the region's political lean.
The Republican margin in Dawson County reached its widest at fifty-nine points in 2024. The margin in 2024 was fifty-nine points, in line with the county's deep historical pattern.
Dawson County's loyalty is rooted in its place. Median household income of $71,334, a 93% non-Hispanic-white share, and a population of 8,827 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 Grundy County and Harrison County.
