| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 30,938 | 18,867 | 50,901 | |
| 2020 | D | 36,788 | 18,934 | 56,785 | |
| 2016 | D | 30,146 | 15,806 | 49,243 | |
| 2012 | D | 34,302 | 15,496 | 50,893 | |
| 2008 | D | 39,865 | 16,506 | 57,169 | |
| 2004 | D | 34,923 | 17,919 | 53,401 | |
| 2000 | D | 32,411 | 14,024 | 48,272 | |
| 1996 | D | 31,252 | 14,011 | 49,654 | |
| 1992 | D | 34,397 | 12,872 | 61,124 | |
| 1988 | D | 38,678 | 19,097 | 58,399 | |
| 1984 | D | 36,042 | 27,459 | 64,136 | |
| 1980 | D | 32,763 | 23,012 | 60,223 | |
| 1976 | D | 37,478 | 23,141 | 62,555 | |
| 1972 | R | 28,206 | 34,157 | 64,816 | |
| 1968 | D | 34,189 | 23,091 | 69,171 | |
| 1964 | D | 43,442 | 20,553 | 65,351 | |
| 1960 | D | 41,433 | 34,764 | 76,801 | |
| 1956 | D | 37,842 | 34,604 | 72,632 | |
| 1952 | D | 38,751 | 34,648 | 73,657 | |
| 1948 | D | 41,366 | 24,398 | 66,788 | |
| 1944 | D | 32,914 | 26,817 | 59,945 | |
| 1940 | D | 38,239 | 28,152 | 66,643 | |
| 1936 | D | 38,101 | 26,239 | 64,596 | |
| 1932 | D | 32,629 | 25,471 | 58,821 | |
| 1928 | R | 16,884 | 32,829 | 49,978 | |
| 1924 | R | 8,913 | 23,881 | 40,148 | |
| 1920 | R | 13,737 | 19,294 | 33,702 | |
| 1916 | D | 17,850 | 13,863 | 33,121 | |
| 1912 | D | 7,370 | 2,107 | 18,848 | |
| 1908 | D | 8,923 | 8,684 | 18,259 | |
| 1904 | R | 3,815 | 9,147 | 14,252 | |
| 1900 | R | 7,304 | 8,133 | 15,717 | |
| 1896 | D | 6,882 | 6,852 | 13,860 | |
| 1892 | R | 0 | 5,529 | 11,524 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Wyandotte is the most densely populated and racially diverse county in Kansas, with a majority-minority population that has driven consistent double-digit Democratic margins in presidential contests over the past two decades.
The Democratic margin in Wyandotte County reached its widest at forty-one points in 2008. The margin in 2024 was twenty-four points — still decisive.
Wyandotte County's loyalty is rooted in its place. Median household income of $63,631, a 42% non-Hispanic-white share, and a population of 167,654 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 Macon County and Hancock County.
