| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 786 | 3,593 | 4,448 | |
| 2020 | R | 905 | 3,721 | 4,708 | |
| 2016 | R | 720 | 3,188 | 4,115 | |
| 2012 | R | 1,059 | 2,885 | 4,036 | |
| 2008 | R | 1,255 | 2,728 | 4,084 | |
| 2004 | R | 1,086 | 3,062 | 4,213 | |
| 2000 | R | 1,037 | 2,784 | 3,978 | |
| 1996 | R | 1,266 | 2,123 | 3,938 | |
| 1992 | R | 968 | 2,113 | 4,264 | |
| 1988 | R | 1,477 | 2,644 | 4,147 | |
| 1984 | R | 1,149 | 3,364 | 4,560 | |
| 1980 | R | 1,057 | 3,404 | 4,789 | |
| 1976 | R | 1,922 | 2,610 | 4,654 | |
| 1972 | R | 1,289 | 3,318 | 4,607 | |
| 1968 | R | 1,131 | 3,129 | 4,588 | |
| 1964 | R | 2,617 | 2,752 | 5,369 | |
| 1960 | R | 2,122 | 3,847 | 5,969 | |
| 1956 | R | 2,110 | 3,814 | 5,924 | |
| 1952 | R | 1,573 | 4,840 | 6,413 | |
| 1948 | R | 2,597 | 2,778 | 5,375 | |
| 1944 | R | 2,487 | 3,762 | 6,249 | |
| 1940 | R | 3,179 | 4,352 | 7,531 | |
| 1936 | D | 4,449 | 2,949 | 7,583 | |
| 1932 | D | 5,229 | 1,830 | 7,128 | |
| 1928 | R | 2,914 | 3,668 | 6,614 | |
| 1924 | R | 1,532 | 2,405 | 6,226 | |
| 1920 | R | 1,470 | 3,678 | 5,264 | |
| 1916 | D | 2,329 | 1,910 | 4,330 | |
| 1912 | D | 1,803 | 1,028 | 3,868 | |
| 1908 | D | 2,106 | 1,871 | 4,097 | |
| 1904 | R | 864 | 2,163 | 3,517 | |
| 1900 | D | 1,630 | 1,600 | 3,347 | |
| 1896 | D | 1,592 | 1,043 | 2,725 | |
| 1892 | D | 957 | 326 | 2,109 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Knox County's 2024 presidential margin of R+63.3 reflects a broader pattern of consolidation in Nebraska's sparsely populated northern tier, where ranching and agricultural economies correlate with some of the state's most consistent Republican supermajorities.
The Republican margin in Knox 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.
Knox County's loyalty is rooted in its place. Median household income of $64,636, a 86% non-Hispanic-white share, and a population of 8,363 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 Daviess County and Kit Carson County.
