| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 927 | 2,533 | 3,568 | |
| 2020 | R | 1,007 | 2,608 | 3,679 | |
| 2016 | R | 808 | 2,170 | 3,188 | |
| 2012 | R | 1,082 | 2,113 | 3,281 | |
| 2008 | R | 1,294 | 1,874 | 3,272 | |
| 2004 | R | 1,047 | 2,232 | 3,359 | |
| 2000 | R | 847 | 2,294 | 3,314 | |
| 1996 | R | 1,188 | 1,701 | 3,326 | |
| 1992 | R | 1,043 | 1,364 | 3,405 | |
| 1988 | R | 1,303 | 1,876 | 3,244 | |
| 1984 | R | 1,102 | 2,257 | 3,384 | |
| 1980 | R | 902 | 2,415 | 3,564 | |
| 1976 | R | 1,506 | 1,730 | 3,345 | |
| 1972 | R | 1,121 | 1,991 | 3,321 | |
| 1968 | R | 1,228 | 1,697 | 3,109 | |
| 1964 | D | 1,808 | 1,388 | 3,199 | |
| 1960 | D | 1,648 | 1,623 | 3,276 | |
| 1956 | R | 1,622 | 1,728 | 3,350 | |
| 1952 | R | 1,389 | 1,978 | 3,378 | |
| 1948 | D | 1,632 | 1,005 | 2,720 | |
| 1944 | D | 1,508 | 1,074 | 2,601 | |
| 1940 | D | 1,735 | 1,132 | 2,894 | |
| 1936 | D | 1,917 | 604 | 2,550 | |
| 1932 | D | 1,496 | 875 | 2,428 | |
| 1928 | R | 804 | 1,263 | 2,085 | |
| 1924 | R | 396 | 775 | 1,920 | |
| 1920 | R | 671 | 1,319 | 2,119 | |
| 1916 | D | 2,273 | 1,603 | 4,173 | |
| 1912 | D | 646 | 612 | 1,991 | |
| 1908 | R | 358 | 622 | 1,030 | |
| 1904 | R | 420 | 808 | 1,258 | |
| 1900 | R | 457 | 573 | 1,040 | |
| 1896 | D | 321 | 293 | 615 | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Teton County's sparse, ranch-dominated high plains produce some of the most consistent Republican margins in Montana, with the 2024 presidential race settled by 45 points in a county of fewer than 6,500 residents.
The Republican margin in Teton County reached its widest at forty-five points in 2024. The margin in 2024 was forty-five points, in line with the county's deep historical pattern.
Teton County's loyalty is rooted in its place. Median household income of $70,430, a 92% non-Hispanic-white share, and a population of 6,353 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 Pondera County and Judith Basin County.
