| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 5,464 | 14,987 | 20,741 | |
| 2020 | R | 5,514 | 14,438 | 20,260 | |
| 2016 | R | 3,878 | 11,297 | 15,924 | |
| 2012 | R | 4,659 | 10,268 | 15,182 | |
| 2008 | R | 5,498 | 10,702 | 16,428 | |
| 2004 | R | 5,918 | 9,676 | 15,697 | |
| 2000 | R | 6,062 | 6,356 | 12,616 | |
| 1996 | D | 4,883 | 4,283 | 9,964 | |
| 1992 | D | 4,817 | 3,496 | 9,788 | |
| 1988 | R | 3,067 | 4,132 | 7,250 | |
| 1984 | R | 3,007 | 4,109 | 7,169 | |
| 1980 | D | 3,771 | 2,296 | 6,201 | |
| 1976 | D | 4,225 | 1,376 | 5,664 | |
| 1972 | R | 1,321 | 2,235 | 3,719 | |
| 1968 | D | 778 | 669 | 3,944 | |
| 1964 | D | 2,750 | 803 | 3,553 | |
| 1960 | D | 1,883 | 683 | 2,607 | |
| 1956 | D | 2,297 | 498 | 2,811 | |
| 1952 | D | 2,222 | 536 | 2,776 | |
| 1948 | D | 2,731 | 193 | 3,083 | |
| 1944 | D | 1,398 | 216 | 1,616 | |
| 1940 | D | 1,932 | 331 | 2,266 | |
| 1936 | D | 1,352 | 183 | 1,543 | |
| 1932 | D | 1,370 | 180 | 1,562 | |
| 1928 | D | 913 | 488 | 1,403 | |
| 1924 | D | 868 | 181 | 1,066 | |
| 1920 | D | 1,219 | 569 | 1,791 | |
| 1916 | D | 1,117 | 439 | 1,562 | |
| 1912 | D | 1,096 | 317 | 1,559 | |
| 1908 | D | 1,206 | 526 | 1,734 | |
| 1904 | D | 1,015 | 420 | 1,449 | |
| 1900 | D | 1,190 | 440 | 1,657 | |
| 1896 | D | 1,237 | 496 | 1,772 | |
| 1892 | D | 732 | 242 | 1,547 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Despite sitting on the western fringe of the Nashville metro, Cheatham County has resisted suburban political shifts, delivering lopsided Republican margins that rival the state's most rural counties rather than its urbanizing edges.
The unraveling was not abrupt. The Democratic margin in Cheatham County peaked at eighty-two points in 1948; it narrowed steadily over the late twentieth century. The 2000 election delivered the county to the Republican party for the first time in many years, by a margin of two points. By 2024, the margin had widened further.
The economic and demographic context is severe. Cheatham County's median household income of $89,852 is among the lowest of any county in the United States; 8% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Putnam County and Coffee County.