| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 16,983 | 24,856 | 43,961 | |
| 2020 | R | 18,250 | 25,034 | 45,435 | |
| 2016 | R | 13,491 | 21,821 | 40,633 | |
| 2012 | R | 14,713 | 23,758 | 40,541 | |
| 2008 | R | 15,868 | 27,327 | 44,397 | |
| 2004 | R | 12,752 | 24,992 | 39,033 | |
| 2000 | R | 10,483 | 25,529 | 41,513 | |
| 1996 | R | 10,834 | 18,515 | 35,351 | |
| 1992 | R | 10,896 | 15,232 | 38,460 | |
| 1988 | R | 10,598 | 18,734 | 30,954 | |
| 1984 | R | 8,195 | 18,791 | 28,336 | |
| 1980 | R | 5,289 | 11,579 | 22,845 | |
| 1976 | R | 6,676 | 10,260 | 19,012 | |
| 1972 | R | 5,536 | 7,690 | 14,334 | |
| 1968 | R | 3,429 | 4,254 | 9,054 | |
| 1964 | D | 4,810 | 3,526 | 8,336 | |
| 1960 | D | 4,068 | 3,820 | 7,887 | |
| 1956 | — | — | — | — | |
| 1952 | — | — | — | — | |
| 1948 | — | — | — | — | |
| 1944 | — | — | — | — | |
| 1940 | — | — | — | — | |
| 1936 | — | — | — | — | |
| 1932 | — | — | — | — | |
| 1928 | — | — | — | — | |
| 1924 | — | — | — | — | |
| 1920 | — | — | — | — | |
| 1916 | — | — | — | — | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Home to Fort Wainwright and Eielson Air Force Base, Fairbanks North Star Borough carries a substantial active-duty and veteran population that has contributed to consistent Republican margins averaging around 15–20 points in recent presidential cycles.
The Republican margin in Fairbanks North Star Borough reached its widest at thirty-seven points in 1984. The margin in 2024 was eighteen points, in line with the county's deep historical pattern.
Fairbanks North Star Borough's loyalty is rooted in its place. Median household income of $88,267, a 69% non-Hispanic-white share, and a population of 95,460 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 Kodiak Island Borough and Wrangell City and Borough.