| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 6,825 | 7,010 | 14,244 | |
| 2020 | R | 6,794 | 6,953 | 14,064 | |
| 2016 | R | 4,620 | 5,360 | 10,972 | |
| 2012 | D | 5,711 | 4,499 | 10,636 | |
| 2008 | D | 6,094 | 4,555 | 10,937 | |
| 2004 | D | 5,570 | 4,634 | 10,431 | |
| 2000 | D | 4,895 | 4,042 | 9,519 | |
| 1996 | D | 5,095 | 2,598 | 9,111 | |
| 1992 | D | 4,587 | 2,243 | 9,252 | |
| 1988 | D | 5,017 | 3,073 | 8,200 | |
| 1984 | D | 4,679 | 3,613 | 8,421 | |
| 1980 | D | 3,727 | 3,132 | 8,012 | |
| 1976 | D | 4,278 | 2,781 | 7,350 | |
| 1972 | D | 3,585 | 3,349 | 7,166 | |
| 1968 | D | 3,740 | 2,491 | 6,605 | |
| 1964 | D | 5,056 | 1,789 | 6,860 | |
| 1960 | D | 3,837 | 3,224 | 7,090 | |
| 1956 | D | 3,824 | 3,799 | 7,635 | |
| 1952 | R | 3,778 | 3,846 | 7,663 | |
| 1948 | D | 3,902 | 2,749 | 7,052 | |
| 1944 | D | 3,745 | 2,419 | 6,176 | |
| 1940 | D | 4,393 | 2,704 | 7,145 | |
| 1936 | D | 4,395 | 1,732 | 6,447 | |
| 1932 | D | 3,099 | 1,737 | 5,588 | |
| 1928 | R | 1,523 | 3,247 | 4,817 | |
| 1924 | R | 501 | 2,672 | 4,138 | |
| 1920 | R | 874 | 2,607 | 3,976 | |
| 1916 | R | 1,537 | 2,688 | 4,518 | |
| 1912 | R | 971 | 1,375 | 4,072 | |
| 1908 | R | 483 | 1,492 | 2,153 | |
| 1904 | R | 258 | 1,354 | 1,759 | |
| 1900 | R | 393 | 887 | 1,329 | |
| 1896 | R | 562 | 925 | 1,511 | |
| 1892 | R | 559 | 759 | 1,443 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Pacific County sits along Washington's southwest coast where natural-resource industries shape a working-class electorate that has swung between parties by single digits in recent cycles, landing at R+1.3 in 2024.
The county's recent history is a story of close margins. The Democratic margin reached forty-eight points in 1964; the Republican margin reached sixty-two points in 1904. Most other elections have been decided by single-digit points.
Pacific County's demographics — a population of 23,994, a 82% non-Hispanic-white share, a median household income of $67,081 — situate the county close to national averages on several dimensions. The county's voting pattern over the last decade is most similar to that of Grays Harbor County and Pueblo County.
