| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,090 | 4,079 | 7,234 | |
| 2020 | R | 3,810 | 4,175 | 8,141 | |
| 2016 | R | 3,649 | 4,127 | 7,890 | |
| 2012 | D | 4,378 | 3,994 | 8,503 | |
| 2008 | D | 4,588 | 4,395 | 9,058 | |
| 2004 | R | 4,078 | 4,193 | 8,350 | |
| 2000 | R | 3,519 | 3,549 | 7,175 | |
| 1996 | D | 2,971 | 2,535 | 5,930 | |
| 1992 | D | 3,220 | 3,150 | 7,007 | |
| 1988 | R | 2,713 | 3,390 | 6,125 | |
| 1984 | R | 2,329 | 3,605 | 5,957 | |
| 1980 | D | 3,622 | 2,540 | 6,329 | |
| 1976 | D | 2,891 | 2,581 | 5,723 | |
| 1972 | R | 579 | 3,753 | 4,433 | |
| 1968 | D | 720 | 381 | 5,163 | |
| 1964 | R | 279 | 3,138 | 3,417 | |
| 1960 | D | 791 | 385 | 2,538 | |
| 1956 | D | 1,650 | 231 | 2,056 | |
| 1952 | D | 1,805 | 685 | 2,490 | |
| 1948 | D | 115 | 12 | 1,954 | |
| 1944 | D | 1,935 | 180 | 2,115 | |
| 1940 | D | 1,764 | 58 | 1,823 | |
| 1936 | D | 1,559 | 18 | 1,578 | |
| 1932 | D | 1,455 | 16 | 1,475 | |
| 1928 | D | 1,495 | 171 | 1,666 | |
| 1924 | D | 1,301 | 86 | 1,416 | |
| 1920 | D | 944 | 194 | 1,164 | |
| 1916 | D | 1,215 | 47 | 1,302 | |
| 1912 | D | 856 | 19 | 948 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | D | 460 | 52 | 650 | |
| 1896 | D | 666 | 70 | 767 | |
| 1892 | D | 332 | 73 | 780 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Chickasaw County sits at the transition zone between the Mississippi Delta and the state's hill country, a geography that historically produced more competitive margins than its current R+13.7 result suggests.
The Democratic margin in Chickasaw County has rarely exceeded ninety-eight points in modern history; the Republican margin has rarely exceeded eighty-four points. 2024 delivered the county to the Republican candidate by fourteen points.
Chickasaw County's demographics resemble the country more than they resemble most counties. A 50% non-Hispanic-white share, a 24% poverty rate, and a median household income of $43,586 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Monroe County and Westmoreland County.
