| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 541 | 2,299 | 2,892 | |
| 2020 | R | 569 | 2,444 | 3,077 | |
| 2016 | R | 485 | 2,160 | 2,840 | |
| 2012 | R | 478 | 1,590 | 2,123 | |
| 2008 | R | 622 | 1,619 | 2,279 | |
| 2004 | R | 911 | 2,282 | 3,244 | |
| 2000 | R | 1,027 | 2,392 | 3,561 | |
| 1996 | R | 1,108 | 1,932 | 3,635 | |
| 1992 | R | 1,262 | 1,411 | 3,853 | |
| 1988 | R | 1,421 | 2,217 | 3,716 | |
| 1984 | R | 1,173 | 2,901 | 4,118 | |
| 1980 | R | 1,241 | 2,685 | 4,155 | |
| 1976 | R | 1,737 | 2,319 | 4,144 | |
| 1972 | R | 951 | 3,157 | 4,238 | |
| 1968 | R | 1,122 | 2,937 | 4,451 | |
| 1964 | R | 2,048 | 2,717 | 4,801 | |
| 1960 | R | 1,804 | 3,758 | 5,571 | |
| 1956 | R | 1,763 | 4,164 | 5,948 | |
| 1952 | R | 1,743 | 4,974 | 6,749 | |
| 1948 | R | 2,574 | 3,553 | 6,200 | |
| 1944 | R | 2,187 | 3,959 | 6,187 | |
| 1940 | R | 3,160 | 4,893 | 8,109 | |
| 1936 | D | 4,176 | 4,146 | 8,345 | |
| 1932 | D | 4,002 | 3,592 | 7,747 | |
| 1928 | R | 1,554 | 5,863 | 7,466 | |
| 1924 | R | 1,794 | 4,181 | 6,531 | |
| 1920 | R | 1,478 | 3,422 | 5,007 | |
| 1916 | R | 2,956 | 2,971 | 6,154 | |
| 1912 | D | 1,334 | 954 | 3,694 | |
| 1908 | R | 1,545 | 2,370 | 4,006 | |
| 1904 | R | 1,211 | 2,458 | 3,859 | |
| 1900 | R | 1,917 | 2,204 | 4,137 | |
| 1896 | D | 2,064 | 1,835 | 3,922 | |
| 1892 | R | 0 | 1,781 | 3,538 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Greenwood County's R+61 margin in 2024 places it among the most skewed presidential results in Kansas, reflecting a sparsely populated Flint Hills ranching economy where Republican alignment has deepened steadily over recent cycles.
The Republican margin in Greenwood County reached its widest at sixty-one points in 2020. The margin in 2024 was sixty-one points, in line with the county's deep historical pattern.
Greenwood County's loyalty is rooted in its place. Median household income of $60,042, a 92% non-Hispanic-white share, and a population of 5,919 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 Morris County and Cloud County.
