| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 59,895 | 101,293 | 166,570 | |
| 2020 | R | 57,411 | 104,135 | 173,434 | |
| 2016 | R | 28,776 | 62,219 | 140,288 | |
| 2012 | R | 21,889 | 96,861 | 121,069 | |
| 2008 | R | 30,477 | 77,341 | 110,902 | |
| 2004 | R | 20,893 | 86,187 | 109,268 | |
| 2000 | R | 18,845 | 64,375 | 87,855 | |
| 1996 | R | 19,301 | 42,768 | 70,981 | |
| 1992 | R | 14,924 | 39,087 | 81,350 | |
| 1988 | R | 16,868 | 50,469 | 68,384 | |
| 1984 | R | 11,727 | 49,863 | 62,102 | |
| 1980 | R | 9,065 | 45,695 | 57,859 | |
| 1976 | R | 14,084 | 31,216 | 47,097 | |
| 1972 | R | 7,954 | 29,706 | 40,911 | |
| 1968 | R | 10,624 | 20,658 | 34,087 | |
| 1964 | R | 14,177 | 14,477 | 28,654 | |
| 1960 | R | 10,244 | 13,782 | 24,034 | |
| 1956 | R | 6,050 | 12,122 | 18,172 | |
| 1952 | R | 5,960 | 9,067 | 15,027 | |
| 1948 | D | 6,147 | 4,718 | 10,936 | |
| 1944 | D | 5,179 | 3,663 | 8,851 | |
| 1940 | D | 3,865 | 2,836 | 6,707 | |
| 1936 | D | 3,920 | 1,841 | 5,782 | |
| 1932 | D | 3,006 | 2,562 | 5,618 | |
| 1928 | R | 2,296 | 2,508 | 4,818 | |
| 1924 | R | 1,507 | 2,265 | 4,080 | |
| 1920 | R | 1,632 | 2,463 | 4,122 | |
| 1916 | D | 2,131 | 1,641 | 3,800 | |
| 1912 | R | 1,142 | 1,295 | 2,919 | |
| 1908 | R | 1,331 | 1,736 | 3,106 | |
| 1904 | R | 1,255 | 1,657 | 2,949 | |
| 1900 | D | 1,380 | 1,238 | 2,633 | |
| 1896 | D | 1,753 | 450 | 2,203 | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Davis County's large active-duty and veteran population ties its economy tightly to Hill AFB, reinforcing the conservative lean that has held the county at R+20 or better in every recent presidential cycle.
The Republican margin in Davis County reached its widest at sixty-three points in 1980. The margin in 2024 was twenty-five points, in line with the county's deep historical pattern.
Davis County's loyalty is rooted in its place. Median household income of $110,884, a 84% non-Hispanic-white share, and a population of 370,924 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 Cache County and Utah County.
