| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,064 | 9,458 | 11,760 | |
| 2020 | R | 2,161 | 8,862 | 11,293 | |
| 2016 | R | 1,507 | 6,489 | 8,704 | |
| 2012 | R | 2,271 | 6,004 | 8,495 | |
| 2008 | R | 2,415 | 5,988 | 8,613 | |
| 2004 | R | 1,848 | 6,256 | 8,181 | |
| 2000 | R | 1,643 | 4,961 | 6,858 | |
| 1996 | R | 2,119 | 3,901 | 7,018 | |
| 1992 | R | 1,656 | 2,895 | 6,745 | |
| 1988 | R | 1,900 | 3,786 | 5,809 | |
| 1984 | R | 1,410 | 4,605 | 6,121 | |
| 1980 | R | 1,828 | 4,508 | 6,714 | |
| 1976 | R | 2,195 | 3,115 | 5,423 | |
| 1972 | R | 1,113 | 3,577 | 5,272 | |
| 1968 | R | 1,216 | 3,032 | 4,956 | |
| 1964 | R | 2,508 | 2,764 | 5,272 | |
| 1960 | R | 2,133 | 3,472 | 5,605 | |
| 1956 | R | 1,767 | 3,342 | 5,109 | |
| 1952 | R | 1,491 | 3,936 | 5,439 | |
| 1948 | R | 1,568 | 2,430 | 4,081 | |
| 1944 | R | 1,382 | 2,485 | 3,885 | |
| 1940 | R | 1,790 | 2,554 | 4,364 | |
| 1936 | D | 1,677 | 1,524 | 3,663 | |
| 1932 | D | 1,836 | 1,529 | 3,587 | |
| 1928 | R | 621 | 2,203 | 2,890 | |
| 1924 | R | 401 | 1,160 | 2,448 | |
| 1920 | R | 785 | 1,690 | 2,484 | |
| 1916 | — | — | — | — | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Payette County, anchored by the small city of Payette along the Oregon border, has delivered Republican presidential margins above 60 points in recent cycles, reflecting the deep-red alignment typical of southwestern Idaho's agricultural communities.
The Republican margin in Payette County reached its widest at sixty-three points in 2024. The margin in 2024 was sixty-three points, in line with the county's deep historical pattern.
Payette County's loyalty is rooted in its place. Median household income of $67,673, a 82% non-Hispanic-white share, and a population of 26,771 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 Washington County and Boise County.