| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 28,988 | 38,606 | 68,590 | |
| 2020 | R | 28,877 | 36,221 | 66,281 | |
| 2016 | R | 24,157 | 31,494 | 58,902 | |
| 2012 | D | 29,267 | 28,333 | 58,327 | |
| 2008 | D | 34,561 | 28,553 | 64,196 | |
| 2004 | R | 29,891 | 32,093 | 62,667 | |
| 2000 | D | 27,312 | 26,291 | 55,080 | |
| 1996 | D | 26,287 | 20,953 | 52,443 | |
| 1992 | D | 25,542 | 19,791 | 58,702 | |
| 1988 | R | 22,717 | 26,771 | 49,787 | |
| 1984 | R | 20,313 | 34,470 | 55,067 | |
| 1980 | R | 23,022 | 30,912 | 59,176 | |
| 1976 | R | 25,229 | 30,390 | 56,520 | |
| 1972 | R | 22,154 | 32,531 | 55,828 | |
| 1968 | R | 22,633 | 26,181 | 54,960 | |
| 1964 | D | 32,939 | 18,987 | 52,025 | |
| 1960 | R | 23,511 | 32,080 | 55,793 | |
| 1956 | R | 20,184 | 32,284 | 52,643 | |
| 1952 | R | 19,171 | 31,941 | 51,447 | |
| 1948 | R | 15,077 | 19,285 | 35,096 | |
| 1944 | R | 16,611 | 20,664 | 37,693 | |
| 1940 | R | 18,682 | 21,633 | 40,610 | |
| 1936 | D | 20,231 | 14,667 | 36,153 | |
| 1932 | D | 16,281 | 16,255 | 33,563 | |
| 1928 | R | 5,769 | 24,379 | 30,321 | |
| 1924 | R | 4,020 | 18,165 | 25,262 | |
| 1920 | R | 6,291 | 16,722 | 24,193 | |
| 1916 | D | 8,037 | 6,484 | 15,412 | |
| 1912 | D | 3,781 | 3,447 | 13,045 | |
| 1908 | R | 4,240 | 6,848 | 12,231 | |
| 1904 | R | 3,102 | 7,506 | 11,639 | |
| 1900 | R | 5,560 | 6,220 | 12,413 | |
| 1896 | D | 6,202 | 5,874 | 12,494 | |
| 1892 | R | 4,150 | 5,077 | 10,556 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Home to Battle Creek and a legacy of cereal and defense manufacturing, Calhoun County voted Democratic as recently as 2012 but has swung roughly 20 points toward Republicans over the past three presidential cycles.
The Democratic margin in Calhoun County has rarely exceeded twenty-seven points in modern history; the Republican margin has rarely exceeded sixty-one points. 2024 delivered the county to the Republican candidate by fourteen points.
Calhoun County's demographics resemble the country more than they resemble most counties. A 76% non-Hispanic-white share, a 14% poverty rate, and a median household income of $63,177 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Manistee County and LaSalle County.
