| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,354 | 3,133 | 4,573 | |
| 2020 | R | 1,833 | 3,372 | 5,294 | |
| 2016 | R | 1,628 | 3,159 | 5,038 | |
| 2012 | R | 1,490 | 3,617 | 5,176 | |
| 2008 | R | 1,493 | 3,791 | 5,336 | |
| 2004 | R | 1,122 | 4,272 | 5,439 | |
| 2000 | R | 1,126 | 3,869 | 5,096 | |
| 1996 | R | 1,309 | 3,812 | 5,573 | |
| 1992 | R | 1,488 | 3,477 | 6,806 | |
| 1988 | R | 1,655 | 4,089 | 5,797 | |
| 1984 | R | 1,198 | 5,222 | 6,484 | |
| 1980 | R | 1,460 | 4,385 | 6,191 | |
| 1976 | R | 1,907 | 3,604 | 5,615 | |
| 1972 | R | 989 | 3,866 | 5,003 | |
| 1968 | R | 1,291 | 3,065 | 4,918 | |
| 1964 | R | 2,520 | 2,910 | 5,462 | |
| 1960 | R | 1,654 | 3,974 | 5,642 | |
| 1956 | R | 1,162 | 2,885 | 4,066 | |
| 1952 | R | 1,146 | 3,136 | 4,308 | |
| 1948 | R | 1,614 | 1,829 | 3,517 | |
| 1944 | R | 1,342 | 1,590 | 2,949 | |
| 1940 | R | 1,474 | 1,503 | 3,027 | |
| 1936 | D | 1,997 | 1,108 | 3,109 | |
| 1932 | D | 1,576 | 1,297 | 2,972 | |
| 1928 | R | 538 | 1,873 | 2,433 | |
| 1924 | R | 676 | 1,184 | 2,277 | |
| 1920 | R | 722 | 1,290 | 2,097 | |
| 1916 | D | 1,105 | 678 | 1,964 | |
| 1912 | D | 394 | 155 | 1,035 | |
| 1908 | R | 413 | 427 | 888 | |
| 1904 | R | 62 | 152 | 232 | |
| 1900 | R | 77 | 122 | 202 | |
| 1896 | R | 78 | 100 | 179 | |
| 1892 | R | 0 | 115 | 273 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Seward County's meatpacking economy has drawn one of Kansas's larger Hispanic populations to Liberal, its county seat, yet presidential margins have held consistently above R+35 for the past decade, reflecting the complex interplay of industry, immigration, and rural voting patterns.
The Republican margin in Seward County reached its widest at sixty-two points in 1984. The margin in 2024 was thirty-nine points, in line with the county's deep historical pattern.
Seward County's loyalty is rooted in its place. Median household income of $63,827, a 34% non-Hispanic-white share, and a population of 21,486 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 Lubbock County and Garfield County.