| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 669 | 764 | 1,537 | |
| 2020 | D | 939 | 810 | 1,834 | |
| 2016 | D | 863 | 571 | 1,660 | |
| 2012 | D | 972 | 603 | 1,655 | |
| 2008 | R | 852 | 1,084 | 1,985 | |
| 2004 | R | 684 | 1,041 | 1,785 | |
| 2000 | R | 596 | 892 | 1,658 | |
| 1996 | D | 643 | 544 | 1,396 | |
| 1992 | R | 537 | 706 | 1,546 | |
| 1988 | R | 517 | 794 | 1,371 | |
| 1984 | R | 461 | 1,056 | 1,574 | |
| 1980 | D | 477 | 377 | 1,028 | |
| 1976 | R | 412 | 513 | 960 | |
| 1972 | R | 312 | 365 | 707 | |
| 1968 | R | 320 | 340 | 680 | |
| 1964 | D | 517 | 156 | 673 | |
| 1960 | D | 276 | 192 | 468 | |
| 1956 | — | — | — | — | |
| 1952 | — | — | — | — | |
| 1948 | — | — | — | — | |
| 1944 | — | — | — | — | |
| 1940 | — | — | — | — | |
| 1936 | — | — | — | — | |
| 1932 | — | — | — | — | |
| 1928 | — | — | — | — | |
| 1924 | — | — | — | — | |
| 1920 | — | — | — | — | |
| 1916 | — | — | — | — | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Dillingham Census Area stretches across roadless tundra and river drainages in southwest Alaska, where a largely Alaska Native population makes commercial fishing and subsistence rights perennial policy flashpoints alongside presidential preferences.
The Democratic margin in Dillingham Census Area has rarely exceeded fifty-four points in modern history; the Republican margin has rarely exceeded thirty-eight points. 2024 delivered the county to the Republican candidate by six points.
Dillingham Census Area's demographics resemble the country more than they resemble most counties. A 15% non-Hispanic-white share, a 20% poverty rate, and a median household income of $78,533 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Northwest Arctic Borough and Lake and Peninsula Borough.