| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 378 | 3,069 | 3,512 | |
| 2020 | R | 360 | 3,107 | 3,542 | |
| 2016 | R | 299 | 3,033 | 3,526 | |
| 2012 | R | 422 | 2,821 | 3,359 | |
| 2008 | R | 658 | 2,618 | 3,393 | |
| 2004 | R | 580 | 2,739 | 3,392 | |
| 2000 | R | 449 | 2,521 | 3,060 | |
| 1996 | R | 871 | 1,763 | 3,174 | |
| 1992 | R | 727 | 1,465 | 3,027 | |
| 1988 | R | 699 | 1,988 | 2,724 | |
| 1984 | R | 482 | 2,614 | 3,127 | |
| 1980 | R | 584 | 2,219 | 2,970 | |
| 1976 | R | 934 | 1,770 | 2,714 | |
| 1972 | R | 520 | 2,063 | 2,629 | |
| 1968 | R | 610 | 1,497 | 2,373 | |
| 1964 | R | 1,419 | 1,473 | 2,892 | |
| 1960 | R | 1,201 | 1,743 | 2,944 | |
| 1956 | R | 1,031 | 1,837 | 2,868 | |
| 1952 | R | 839 | 1,931 | 2,774 | |
| 1948 | R | 822 | 962 | 1,788 | |
| 1944 | R | 754 | 1,097 | 1,851 | |
| 1940 | R | 985 | 1,292 | 2,284 | |
| 1936 | D | 1,193 | 1,084 | 2,295 | |
| 1932 | D | 1,459 | 840 | 2,346 | |
| 1928 | R | 688 | 1,127 | 1,839 | |
| 1924 | R | 640 | 794 | 1,751 | |
| 1920 | R | 463 | 1,073 | 1,563 | |
| 1916 | R | 734 | 791 | 1,586 | |
| 1912 | D | 459 | 449 | 1,305 | |
| 1908 | R | 478 | 723 | 1,237 | |
| 1904 | R | 221 | 810 | 1,043 | |
| 1900 | R | 338 | 548 | 886 | |
| 1896 | R | 319 | 451 | 776 | |
| 1892 | R | 0 | 294 | 514 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
With fewer than 7,000 residents spread across rolling high-plains terrain near the South Dakota border, Weston County delivered an R+76.6 margin in 2024—among the widest in a state already defined by overwhelming Republican preference.
The Republican margin in Weston County reached its widest at seventy-eight points in 2020. The margin in 2024 was seventy-seven points, in line with the county's deep historical pattern.
Weston County's loyalty is rooted in its place. Median household income of $89,509, a 85% non-Hispanic-white share, and a population of 6,826 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 Campbell County and Washakie County.
