| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,711 | 6,141 | 8,030 | |
| 2020 | R | 1,689 | 5,877 | 7,771 | |
| 2016 | R | 1,386 | 4,521 | 6,433 | |
| 2012 | R | 1,737 | 3,810 | 5,744 | |
| 2008 | R | 1,909 | 3,586 | 5,599 | |
| 2004 | R | 1,361 | 3,896 | 5,367 | |
| 2000 | R | 1,128 | 3,638 | 5,030 | |
| 1996 | R | 1,467 | 2,334 | 4,590 | |
| 1992 | R | 810 | 1,505 | 3,523 | |
| 1988 | R | 1,024 | 2,378 | 3,576 | |
| 1984 | R | 862 | 2,498 | 3,450 | |
| 1980 | R | 684 | 1,950 | 2,843 | |
| 1976 | R | 1,074 | 1,380 | 2,585 | |
| 1972 | R | 713 | 1,659 | 2,372 | |
| 1968 | R | 885 | 1,287 | 2,525 | |
| 1964 | D | 1,421 | 1,106 | 2,527 | |
| 1960 | D | 1,173 | 1,157 | 2,330 | |
| 1956 | R | 840 | 1,292 | 2,132 | |
| 1952 | R | 691 | 1,398 | 2,089 | |
| 1948 | R | 886 | 901 | 1,831 | |
| 1944 | D | 994 | 835 | 1,829 | |
| 1940 | D | 1,367 | 789 | 2,156 | |
| 1936 | D | 1,210 | 390 | 1,600 | |
| 1932 | D | 1,126 | 405 | 1,531 | |
| 1928 | R | 602 | 783 | 1,385 | |
| 1924 | R | 248 | 400 | 1,133 | |
| 1920 | R | 532 | 660 | 1,284 | |
| 1916 | D | 1,681 | 1,004 | 3,000 | |
| 1912 | D | 719 | 207 | 1,798 | |
| 1908 | D | 1,009 | 823 | 2,054 | |
| 1904 | R | 356 | 610 | 1,062 | |
| 1900 | D | 700 | 364 | 1,064 | |
| 1896 | D | 749 | 98 | 847 | |
| 1892 | R | 27 | 54 | 800 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Humboldt County anchors Nevada's sparsely populated north, where ranching and mining shape a persistently lopsided presidential vote — the 2024 margin of R+55.2 ranks among the widest in the state.
The Republican margin in Humboldt County reached its widest at fifty-five points in 2024. The margin in 2024 was fifty-five points, in line with the county's deep historical pattern.
Humboldt County's loyalty is rooted in its place. Median household income of $81,073, a 68% non-Hispanic-white share, and a population of 17,289 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 Lander County and Lewis County.
