| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,675 | 5,812 | 7,656 | |
| 2020 | R | 1,754 | 6,035 | 7,932 | |
| 2016 | R | 1,525 | 5,292 | 7,266 | |
| 2012 | R | 2,221 | 4,633 | 7,026 | |
| 2008 | R | 3,229 | 4,271 | 7,629 | |
| 2004 | R | 2,000 | 5,363 | 7,421 | |
| 2000 | R | 2,370 | 4,749 | 7,284 | |
| 1996 | R | 2,578 | 3,827 | 7,428 | |
| 1992 | R | 2,168 | 3,873 | 8,008 | |
| 1988 | R | 2,451 | 5,112 | 7,583 | |
| 1984 | R | 2,307 | 5,429 | 7,771 | |
| 1980 | R | 2,388 | 4,829 | 7,511 | |
| 1976 | R | 3,052 | 4,723 | 7,830 | |
| 1972 | R | 1,764 | 5,965 | 7,752 | |
| 1968 | R | 2,636 | 5,004 | 8,421 | |
| 1964 | R | 4,450 | 4,507 | 9,025 | |
| 1960 | R | 3,516 | 6,215 | 9,782 | |
| 1956 | R | 3,346 | 6,202 | 9,587 | |
| 1952 | R | 3,348 | 6,918 | 10,353 | |
| 1948 | R | 3,814 | 5,362 | 9,321 | |
| 1944 | R | 3,891 | 5,853 | 9,821 | |
| 1940 | R | 4,282 | 6,486 | 10,807 | |
| 1936 | D | 5,999 | 5,457 | 11,500 | |
| 1932 | R | 5,056 | 5,094 | 10,290 | |
| 1928 | R | 2,996 | 6,640 | 9,711 | |
| 1924 | R | 3,415 | 5,958 | 9,521 | |
| 1920 | R | 4,513 | 6,113 | 10,803 | |
| 1916 | R | 2,569 | 2,950 | 5,760 | |
| 1912 | D | 2,312 | 1,931 | 5,586 | |
| 1908 | R | 2,544 | 3,102 | 5,857 | |
| 1904 | R | 2,363 | 3,082 | 5,695 | |
| 1900 | R | 2,503 | 2,913 | 5,579 | |
| 1896 | R | 2,602 | 2,891 | 5,573 | |
| 1892 | R | 2,210 | 2,566 | 5,006 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Rush County's 2024 presidential margin of R+54 reflects a broader shift in small-town east-central Indiana toward lopsided single-party majorities, leaving Democrats with little competitive foothold in local or federal contests.
The Republican margin in Rush County reached its widest at fifty-four points in 1972. The margin in 2024 was fifty-four points, in line with the county's deep historical pattern.
Rush County's loyalty is rooted in its place. Median household income of $66,473, a 96% non-Hispanic-white share, and a population of 16,739 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 Benton County and Tipton County.
