| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,259 | 13,084 | 16,743 | |
| 2020 | R | 3,410 | 12,813 | 16,717 | |
| 2016 | R | 2,535 | 11,115 | 15,095 | |
| 2012 | R | 2,927 | 11,234 | 14,608 | |
| 2008 | R | 3,757 | 10,839 | 14,985 | |
| 2004 | R | 3,007 | 10,917 | 14,231 | |
| 2000 | R | 2,424 | 9,884 | 12,836 | |
| 1996 | R | 3,240 | 7,430 | 12,098 | |
| 1992 | R | 2,771 | 5,218 | 11,209 | |
| 1988 | R | 2,646 | 6,884 | 9,702 | |
| 1984 | R | 1,965 | 7,994 | 10,095 | |
| 1980 | R | 1,718 | 6,435 | 8,811 | |
| 1976 | R | 2,656 | 5,878 | 8,602 | |
| 1972 | R | 1,950 | 5,890 | 7,875 | |
| 1968 | R | 1,852 | 4,677 | 7,134 | |
| 1964 | D | 3,745 | 3,698 | 7,443 | |
| 1960 | R | 2,496 | 4,510 | 7,006 | |
| 1956 | R | 1,960 | 4,397 | 6,357 | |
| 1952 | R | 2,084 | 5,067 | 7,175 | |
| 1948 | R | 2,461 | 2,655 | 5,145 | |
| 1944 | R | 2,257 | 2,571 | 4,828 | |
| 1940 | D | 2,747 | 2,512 | 5,282 | |
| 1936 | D | 2,594 | 1,618 | 4,315 | |
| 1932 | D | 2,043 | 1,600 | 3,757 | |
| 1928 | R | 1,062 | 2,175 | 3,260 | |
| 1924 | R | 760 | 1,607 | 2,897 | |
| 1920 | R | 666 | 1,630 | 2,311 | |
| 1916 | D | 1,146 | 1,092 | 2,329 | |
| 1912 | D | 672 | 534 | 1,792 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Park County's economy revolves around tourism and agriculture in the Bighorn Basin, and its presidential margins have exceeded R+50 in each of the last several cycles, making it among the most reliably one-sided counties in the Mountain West.
The Republican margin in Park County reached its widest at sixty points in 1984. The margin in 2024 was fifty-nine points, in line with the county's deep historical pattern.
Park County's loyalty is rooted in its place. Median household income of $73,035, a 88% non-Hispanic-white share, and a population of 30,449 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 Sublette County and Johnson County.
