| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 3,722 | 11,896 | 15,901 | |
| 2020 | R | 4,023 | 11,817 | 16,161 | |
| 2016 | R | 3,720 | 11,079 | 15,481 | |
| 2012 | R | 4,928 | 9,487 | 14,721 | |
| 2008 | R | 6,455 | 8,449 | 15,095 | |
| 2004 | R | 5,378 | 9,133 | 14,614 | |
| 2000 | R | 5,802 | 7,734 | 13,772 | |
| 1996 | D | 6,488 | 5,392 | 13,528 | |
| 1992 | D | 6,909 | 5,172 | 14,800 | |
| 1988 | R | 7,031 | 7,610 | 14,684 | |
| 1984 | R | 7,082 | 8,618 | 15,777 | |
| 1980 | R | 6,834 | 7,643 | 15,189 | |
| 1976 | D | 8,430 | 7,105 | 15,599 | |
| 1972 | R | 5,633 | 9,115 | 14,819 | |
| 1968 | R | 6,777 | 7,645 | 15,957 | |
| 1964 | D | 10,507 | 5,865 | 16,458 | |
| 1960 | R | 7,479 | 8,838 | 16,399 | |
| 1956 | R | 7,318 | 9,256 | 16,653 | |
| 1952 | R | 7,617 | 9,171 | 16,986 | |
| 1948 | D | 7,988 | 7,431 | 15,709 | |
| 1944 | R | 7,462 | 7,895 | 15,525 | |
| 1940 | D | 8,709 | 8,326 | 17,223 | |
| 1936 | D | 9,392 | 7,078 | 16,710 | |
| 1932 | D | 9,162 | 6,237 | 15,863 | |
| 1928 | R | 5,882 | 8,137 | 14,259 | |
| 1924 | R | 6,149 | 7,100 | 14,308 | |
| 1920 | R | 6,384 | 7,498 | 14,610 | |
| 1916 | D | 3,765 | 3,576 | 7,801 | |
| 1912 | D | 3,250 | 2,266 | 7,314 | |
| 1908 | R | 3,656 | 3,753 | 7,747 | |
| 1904 | R | 3,221 | 3,871 | 7,550 | |
| 1900 | R | 3,509 | 3,648 | 7,424 | |
| 1896 | D | 3,622 | 3,471 | 7,175 | |
| 1892 | R | 2,460 | 2,738 | 6,039 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Gibson County's R+51.4 presidential margin in 2024 places it among Indiana's most heavily one-sided rural counties. Its economy centers on agriculture and a major coal-fired power station, anchoring a working-class demographic with little urban counterweight.
The Republican margin in Gibson County reached its widest at fifty-one points in 2024. The margin in 2024 was fifty-one points, in line with the county's deep historical pattern.
Gibson County's loyalty is rooted in its place. Median household income of $67,573, a 90% non-Hispanic-white share, and a population of 33,000 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 Moultrie County and White County.