| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 6,996 | 27,399 | 34,642 | |
| 2020 | R | 6,728 | 25,168 | 32,279 | |
| 2016 | R | 5,202 | 20,413 | 26,360 | |
| 2012 | R | 6,261 | 18,653 | 25,298 | |
| 2008 | R | 7,889 | 17,436 | 25,712 | |
| 2004 | R | 8,327 | 15,144 | 23,637 | |
| 2000 | R | 7,644 | 10,994 | 19,017 | |
| 1996 | R | 6,676 | 8,096 | 16,347 | |
| 1992 | R | 6,393 | 7,116 | 15,792 | |
| 1988 | R | 3,964 | 7,557 | 11,594 | |
| 1984 | R | 3,605 | 7,083 | 10,756 | |
| 1980 | R | 3,775 | 6,354 | 10,436 | |
| 1976 | D | 4,543 | 4,119 | 8,763 | |
| 1972 | R | 1,482 | 4,593 | 6,225 | |
| 1968 | R | 1,428 | 3,115 | 6,012 | |
| 1964 | D | 3,073 | 2,975 | 6,048 | |
| 1960 | R | 2,189 | 3,523 | 5,804 | |
| 1956 | R | 1,925 | 3,200 | 5,161 | |
| 1952 | R | 2,059 | 3,282 | 5,341 | |
| 1948 | R | 1,607 | 1,988 | 3,721 | |
| 1944 | R | 1,174 | 1,786 | 2,980 | |
| 1940 | R | 1,443 | 1,492 | 2,965 | |
| 1936 | D | 1,426 | 1,409 | 2,849 | |
| 1932 | D | 996 | 957 | 1,964 | |
| 1928 | R | 505 | 1,186 | 1,691 | |
| 1924 | R | 538 | 885 | 1,510 | |
| 1920 | R | 557 | 1,485 | 2,043 | |
| 1916 | R | 428 | 924 | 1,355 | |
| 1912 | D | 489 | 372 | 1,306 | |
| 1908 | R | 479 | 1,010 | 1,489 | |
| 1904 | R | 375 | 898 | 1,331 | |
| 1900 | R | 405 | 750 | 1,168 | |
| 1896 | R | 418 | 800 | 1,225 | |
| 1892 | R | 330 | 632 | 984 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Situated on the Cumberland Plateau, this rural county of under 50,000 delivered an R+58.9 margin in 2024, reflecting the broader realignment of working-class, non-metropolitan communities across Appalachian Tennessee.
The Republican margin in Cumberland County reached its widest at fifty-nine points in 2024. The margin in 2024 was fifty-nine points, in line with the county's deep historical pattern.
Cumberland County's loyalty is rooted in its place. Median household income of $60,375, a 94% non-Hispanic-white share, and a population of 63,553 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 Mohave County and McMinn County.
