| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 446 | 3,420 | 3,910 | |
| 2020 | R | 480 | 3,462 | 4,012 | |
| 2016 | R | 382 | 3,052 | 3,630 | |
| 2012 | R | 637 | 2,707 | 3,431 | |
| 2008 | R | 783 | 2,385 | 3,226 | |
| 2004 | R | 546 | 2,824 | 3,398 | |
| 2000 | R | 570 | 2,534 | 3,208 | |
| 1996 | R | 697 | 1,923 | 3,082 | |
| 1992 | R | 611 | 1,853 | 3,562 | |
| 1988 | R | 914 | 2,474 | 3,399 | |
| 1984 | R | 545 | 3,017 | 3,589 | |
| 1980 | R | 517 | 2,938 | 3,639 | |
| 1976 | R | 1,004 | 2,172 | 3,244 | |
| 1972 | R | 653 | 2,451 | 3,104 | |
| 1968 | R | 674 | 2,408 | 3,279 | |
| 1964 | R | 1,631 | 1,965 | 3,596 | |
| 1960 | R | 1,107 | 2,963 | 4,070 | |
| 1956 | R | 1,152 | 2,800 | 3,952 | |
| 1952 | R | 909 | 3,234 | 4,143 | |
| 1948 | R | 1,383 | 1,866 | 3,249 | |
| 1944 | R | 1,204 | 2,956 | 4,160 | |
| 1940 | R | 1,449 | 3,271 | 4,720 | |
| 1936 | D | 2,357 | 2,016 | 4,495 | |
| 1932 | D | 2,980 | 1,128 | 4,143 | |
| 1928 | R | 1,586 | 2,542 | 4,137 | |
| 1924 | R | 760 | 1,570 | 3,706 | |
| 1920 | R | 743 | 2,478 | 3,299 | |
| 1916 | R | 1,030 | 1,228 | 2,291 | |
| 1912 | D | 948 | 694 | 2,134 | |
| 1908 | D | 1,095 | 1,067 | 2,198 | |
| 1904 | R | 616 | 1,122 | 1,913 | |
| 1900 | R | 913 | 919 | 1,855 | |
| 1896 | D | 960 | 634 | 1,615 | |
| 1892 | D | 396 | 257 | 1,175 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Pierce County's 2024 presidential margin of R+76.3 places it among the most heavily one-sided counties in the state, reflecting a rural, agriculturally rooted electorate where competitive general elections are exceedingly rare.
The Republican margin in Pierce County reached its widest at seventy-six points in 2024. The margin in 2024 was seventy-six points, in line with the county's deep historical pattern.
Pierce County's loyalty is rooted in its place. Median household income of $72,357, a 94% non-Hispanic-white share, and a population of 7,325 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 Stanton County and Boone County.
