| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,075 | 3,116 | 5,258 | |
| 2020 | R | 2,053 | 3,014 | 5,128 | |
| 2016 | R | 1,663 | 2,585 | 4,518 | |
| 2012 | R | 2,212 | 2,330 | 4,618 | |
| 2008 | D | 2,472 | 2,188 | 4,750 | |
| 2004 | D | 2,395 | 2,318 | 4,765 | |
| 2000 | R | 2,071 | 2,142 | 4,366 | |
| 1996 | D | 2,229 | 1,429 | 4,231 | |
| 1992 | D | 2,144 | 1,471 | 4,570 | |
| 1988 | D | 2,210 | 1,830 | 4,059 | |
| 1984 | R | 2,018 | 2,175 | 4,208 | |
| 1980 | D | 2,242 | 2,059 | 4,647 | |
| 1976 | D | 2,379 | 1,722 | 4,161 | |
| 1972 | R | 1,803 | 2,035 | 3,878 | |
| 1968 | D | 1,927 | 1,406 | 3,512 | |
| 1964 | D | 2,743 | 1,010 | 3,755 | |
| 1960 | D | 2,321 | 1,663 | 3,990 | |
| 1956 | D | 2,105 | 2,070 | 4,193 | |
| 1952 | R | 2,058 | 2,066 | 4,159 | |
| 1948 | D | 2,009 | 1,702 | 3,983 | |
| 1944 | D | 2,519 | 1,504 | 4,036 | |
| 1940 | D | 2,984 | 1,629 | 4,675 | |
| 1936 | D | 2,824 | 1,291 | 4,209 | |
| 1932 | D | 2,111 | 1,354 | 3,690 | |
| 1928 | R | 1,053 | 1,716 | 2,906 | |
| 1924 | R | 228 | 1,623 | 2,440 | |
| 1920 | R | 468 | 1,263 | 1,911 | |
| 1916 | R | 650 | 687 | 1,422 | |
| 1912 | R | 263 | 290 | 1,092 | |
| 1908 | R | 231 | 997 | 1,319 | |
| 1904 | R | 204 | 1,081 | 1,328 | |
| 1900 | R | 415 | 1,017 | 1,455 | |
| 1896 | R | 539 | 801 | 1,371 | |
| 1892 | R | 156 | 160 | 318 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Alger County spans nearly 1,000 square miles along Lake Superior's south shore, with fewer than 10,000 residents spread across a forested landscape. Its rural, resource-economy character has driven consistent double-digit Republican margins in recent presidential cycles.
The Republican margin in Alger County reached its widest at sixty-six points in 1904. The margin in 2024 was twenty points, in line with the county's deep historical pattern.
Alger County's loyalty is rooted in its place. Median household income of $61,286, a 82% non-Hispanic-white share, and a population of 8,762 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 Big Stone County and Schoolcraft County.
