| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,943 | 3,736 | 5,771 | |
| 2020 | R | 2,053 | 3,677 | 5,822 | |
| 2016 | R | 1,888 | 3,190 | 5,521 | |
| 2012 | D | 2,831 | 2,643 | 5,586 | |
| 2008 | D | 3,179 | 2,469 | 5,766 | |
| 2004 | D | 2,785 | 2,646 | 5,480 | |
| 2000 | D | 2,650 | 2,388 | 5,162 | |
| 1996 | D | 2,596 | 1,877 | 5,071 | |
| 1992 | D | 2,177 | 1,933 | 5,347 | |
| 1988 | D | 2,870 | 2,338 | 5,251 | |
| 1984 | R | 2,531 | 3,144 | 5,743 | |
| 1980 | R | 2,040 | 3,401 | 5,864 | |
| 1976 | D | 2,906 | 2,887 | 5,892 | |
| 1972 | R | 2,449 | 3,395 | 5,911 | |
| 1968 | R | 2,103 | 3,533 | 5,830 | |
| 1964 | D | 3,868 | 2,489 | 6,373 | |
| 1960 | R | 2,873 | 3,915 | 6,798 | |
| 1956 | R | 2,630 | 4,175 | 6,812 | |
| 1952 | R | 2,175 | 5,050 | 7,237 | |
| 1948 | R | 2,873 | 3,021 | 6,119 | |
| 1944 | R | 2,696 | 3,406 | 6,132 | |
| 1940 | R | 3,025 | 3,947 | 6,987 | |
| 1936 | D | 3,610 | 2,765 | 6,603 | |
| 1932 | D | 3,940 | 2,527 | 6,549 | |
| 1928 | R | 2,308 | 3,534 | 5,900 | |
| 1924 | R | 400 | 2,892 | 6,163 | |
| 1920 | R | 773 | 4,476 | 5,332 | |
| 1916 | R | 1,033 | 1,963 | 3,049 | |
| 1912 | D | 1,082 | 590 | 2,902 | |
| 1908 | R | 988 | 1,932 | 2,968 | |
| 1904 | R | 634 | 2,158 | 2,880 | |
| 1900 | R | 981 | 2,450 | 3,480 | |
| 1896 | R | 1,031 | 2,498 | 3,579 | |
| 1892 | R | 1,162 | 1,797 | 3,050 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Mitchell County's population has declined modestly over two decades as its agricultural economy consolidates, and that demographic shift has tracked closely with a Republican presidential margin that grew from single digits in the early 2000s to over 30 points by 2024.
The Republican margin in Mitchell County reached its widest at sixty-nine points in 1920. The margin in 2024 was thirty-one points, in line with the county's deep historical pattern.
Mitchell County's loyalty is rooted in its place. Median household income of $71,365, a 96% non-Hispanic-white share, and a population of 10,575 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 Day County and Clayton County.