| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,388 | 6,667 | 9,240 | |
| 2020 | R | 2,438 | 6,490 | 9,199 | |
| 2016 | R | 1,875 | 5,454 | 7,922 | |
| 2012 | R | 2,386 | 5,003 | 7,573 | |
| 2008 | R | 2,703 | 4,647 | 7,529 | |
| 2004 | R | 2,114 | 5,353 | 7,565 | |
| 2000 | R | 2,250 | 4,457 | 7,016 | |
| 1996 | R | 2,432 | 3,479 | 6,709 | |
| 1992 | R | 2,121 | 3,060 | 6,936 | |
| 1988 | R | 2,690 | 3,472 | 6,212 | |
| 1984 | R | 1,911 | 3,983 | 5,937 | |
| 1980 | R | 1,803 | 3,527 | 5,965 | |
| 1976 | R | 2,610 | 3,220 | 5,950 | |
| 1972 | R | 2,087 | 3,707 | 5,794 | |
| 1968 | R | 1,658 | 2,939 | 4,851 | |
| 1964 | D | 3,347 | 2,221 | 5,568 | |
| 1960 | R | 2,095 | 3,588 | 5,683 | |
| 1956 | R | 1,910 | 3,688 | 5,598 | |
| 1952 | R | 1,685 | 4,257 | 5,942 | |
| 1948 | R | 2,274 | 2,916 | 5,190 | |
| 1944 | R | 2,083 | 3,721 | 5,804 | |
| 1940 | R | 2,529 | 4,117 | 6,646 | |
| 1936 | D | 3,866 | 3,123 | 7,039 | |
| 1932 | D | 4,208 | 2,298 | 6,571 | |
| 1928 | R | 2,367 | 3,539 | 5,930 | |
| 1924 | R | 1,848 | 2,797 | 5,684 | |
| 1920 | R | 1,497 | 3,690 | 5,273 | |
| 1916 | R | 1,797 | 1,855 | 3,702 | |
| 1912 | D | 1,573 | 788 | 3,384 | |
| 1908 | D | 2,029 | 1,930 | 4,003 | |
| 1904 | R | 1,027 | 2,243 | 3,639 | |
| 1900 | R | 1,865 | 1,937 | 3,851 | |
| 1896 | D | 1,876 | 1,688 | 3,638 | |
| 1892 | D | 1,336 | 763 | 3,336 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Seward County's small-city and agricultural mix has produced Republican presidential margins above 40 points in recent cycles, reflecting a demographic profile—older, rural, non-college-majority—common across the eastern Nebraska plains.
The Republican margin in Seward County reached its widest at forty-six points in 2024. The margin in 2024 was forty-six points, in line with the county's deep historical pattern.
Seward County's loyalty is rooted in its place. Median household income of $82,444, a 94% non-Hispanic-white share, and a population of 17,641 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 Fillmore County and Cass County.
