| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 297 | 1,658 | 1,992 | |
| 2020 | R | 336 | 1,763 | 2,129 | |
| 2016 | R | 297 | 1,661 | 2,042 | |
| 2012 | R | 358 | 1,624 | 2,023 | |
| 2008 | R | 446 | 1,719 | 2,204 | |
| 2004 | R | 540 | 1,803 | 2,370 | |
| 2000 | R | 534 | 1,534 | 2,184 | |
| 1996 | R | 638 | 1,628 | 2,490 | |
| 1992 | R | 789 | 1,236 | 2,852 | |
| 1988 | R | 1,004 | 1,951 | 2,988 | |
| 1984 | R | 684 | 2,332 | 3,079 | |
| 1980 | R | 719 | 2,415 | 3,368 | |
| 1976 | R | 1,333 | 2,009 | 3,436 | |
| 1972 | R | 818 | 2,600 | 3,501 | |
| 1968 | R | 939 | 2,558 | 3,790 | |
| 1964 | R | 1,809 | 2,026 | 3,871 | |
| 1960 | R | 1,157 | 3,013 | 4,192 | |
| 1956 | R | 1,139 | 3,142 | 4,307 | |
| 1952 | R | 986 | 3,623 | 4,660 | |
| 1948 | R | 1,590 | 2,760 | 4,456 | |
| 1944 | R | 1,377 | 3,282 | 4,693 | |
| 1940 | R | 1,855 | 3,630 | 5,535 | |
| 1936 | R | 2,847 | 3,292 | 6,156 | |
| 1932 | D | 3,155 | 2,870 | 6,169 | |
| 1928 | R | 1,338 | 4,021 | 5,409 | |
| 1924 | R | 1,634 | 3,226 | 5,637 | |
| 1920 | R | 1,535 | 3,251 | 4,918 | |
| 1916 | D | 3,431 | 2,605 | 6,342 | |
| 1912 | D | 1,534 | 970 | 3,754 | |
| 1908 | R | 1,593 | 1,843 | 3,568 | |
| 1904 | R | 596 | 2,254 | 3,414 | |
| 1900 | D | 1,978 | 1,770 | 3,809 | |
| 1896 | D | 2,019 | 1,385 | 3,443 | |
| 1892 | R | 0 | 1,923 | 3,361 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Smith County's R+68.5 margin in 2024 places it among the most Republican-leaning counties in Kansas, reflecting the broader pattern of deep-red rural plains counties where agricultural communities and sparse population reinforce one-party dominance.
The Republican margin in Smith County reached its widest at sixty-eight points in 2024. The margin in 2024 was sixty-eight points, in line with the county's deep historical pattern.
Smith County's loyalty is rooted in its place. Median household income of $59,135, a 94% non-Hispanic-white share, and a population of 3,552 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 Rooks County and Dickinson County.
