| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 36,706 | 49,368 | 88,751 | |
| 2020 | R | 43,179 | 50,555 | 96,193 | |
| 2016 | R | 31,291 | 41,735 | 79,741 | |
| 2012 | R | 33,217 | 42,239 | 77,506 | |
| 2008 | R | 33,792 | 41,946 | 77,062 | |
| 2004 | R | 28,474 | 43,352 | 72,790 | |
| 2000 | R | 25,546 | 39,494 | 67,382 | |
| 1996 | R | 25,676 | 27,668 | 59,360 | |
| 1992 | R | 21,026 | 25,841 | 57,969 | |
| 1988 | R | 23,221 | 30,026 | 53,910 | |
| 1984 | R | 24,724 | 40,678 | 66,182 | |
| 1980 | R | 21,873 | 33,815 | 61,253 | |
| 1976 | R | 24,223 | 29,478 | 55,492 | |
| 1972 | R | 19,729 | 32,240 | 54,705 | |
| 1968 | R | 19,499 | 27,488 | 51,198 | |
| 1964 | D | 29,604 | 22,786 | 52,730 | |
| 1960 | R | 21,958 | 31,683 | 53,995 | |
| 1956 | R | 20,991 | 31,984 | 53,124 | |
| 1952 | R | 17,647 | 32,317 | 50,447 | |
| 1948 | R | 19,760 | 21,396 | 41,957 | |
| 1944 | R | 15,643 | 20,864 | 36,756 | |
| 1940 | R | 18,092 | 20,398 | 38,760 | |
| 1936 | D | 17,200 | 12,555 | 31,657 | |
| 1932 | D | 13,880 | 11,151 | 26,846 | |
| 1928 | R | 6,008 | 16,694 | 22,848 | |
| 1924 | R | 2,157 | 12,124 | 19,028 | |
| 1920 | R | 4,062 | 11,571 | 19,484 | |
| 1916 | R | 6,136 | 7,188 | 14,640 | |
| 1912 | R | 3,209 | 3,304 | 13,105 | |
| 1908 | R | 1,650 | 3,998 | 6,261 | |
| 1904 | R | 929 | 3,484 | 4,952 | |
| 1900 | R | 1,066 | 1,507 | 2,696 | |
| 1896 | D | 1,266 | 948 | 2,227 | |
| 1892 | R | 498 | 625 | 1,507 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Yakima's population is roughly 49% Hispanic, yet the county has shifted further right over successive presidential cycles, illustrating the national trend of Latino voters moving toward Republican candidates in agricultural communities.
The Republican margin in Yakima County reached its widest at fifty-two points in 1924. The margin in 2024 was fourteen points, in line with the county's deep historical pattern.
Yakima County's loyalty is rooted in its place. Median household income of $70,656, a 47% non-Hispanic-white share, and a population of 257,152 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 Franklin County and Jeff Davis County.
