| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,236 | 9,526 | 10,926 | |
| 2020 | R | 1,084 | 9,052 | 10,363 | |
| 2016 | R | 695 | 6,740 | 8,695 | |
| 2012 | R | 738 | 7,207 | 8,069 | |
| 2008 | R | 1,359 | 6,394 | 8,007 | |
| 2004 | R | 920 | 6,597 | 7,641 | |
| 2000 | R | 1,046 | 5,763 | 7,077 | |
| 1996 | R | 1,327 | 4,031 | 6,127 | |
| 1992 | R | 1,039 | 3,160 | 6,258 | |
| 1988 | R | 1,403 | 4,747 | 6,221 | |
| 1984 | R | 1,072 | 5,736 | 6,870 | |
| 1980 | R | 1,112 | 5,614 | 6,949 | |
| 1976 | R | 1,564 | 3,686 | 5,650 | |
| 1972 | R | 820 | 3,700 | 5,071 | |
| 1968 | R | 1,167 | 3,190 | 4,744 | |
| 1964 | R | 1,948 | 2,617 | 4,565 | |
| 1960 | R | 1,690 | 3,166 | 4,857 | |
| 1956 | R | 1,232 | 3,646 | 4,878 | |
| 1952 | R | 1,445 | 3,996 | 5,441 | |
| 1948 | R | 1,943 | 2,791 | 4,750 | |
| 1944 | R | 2,095 | 2,345 | 4,445 | |
| 1940 | R | 2,521 | 2,703 | 5,228 | |
| 1936 | D | 2,816 | 1,899 | 4,767 | |
| 1932 | D | 2,303 | 2,225 | 4,593 | |
| 1928 | R | 1,399 | 2,424 | 3,840 | |
| 1924 | R | 1,201 | 2,111 | 3,740 | |
| 1920 | R | 1,425 | 2,506 | 3,988 | |
| 1916 | D | 2,052 | 1,720 | 3,840 | |
| 1912 | R | 915 | 1,452 | 3,465 | |
| 1908 | R | 1,272 | 1,780 | 3,240 | |
| 1904 | R | 930 | 1,725 | 2,919 | |
| 1900 | R | 1,261 | 1,581 | 2,884 | |
| 1896 | D | 1,858 | 497 | 2,355 | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Sevier County recorded an R+75.4 margin in the 2024 presidential race, placing it among the most one-sided rural counties in the Mountain West. Its economy centers on ranching, agriculture, and small-town trade along the Sevier River corridor.
The Republican margin in Sevier County reached its widest at eighty points in 2012. The margin in 2024 was seventy-six points, in line with the county's deep historical pattern.
Sevier County's loyalty is rooted in its place. Median household income of $74,884, a 92% non-Hispanic-white share, and a population of 22,085 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 Millard County and Uintah County.
