| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,010 | 2,873 | 3,954 | |
| 2020 | R | 1,009 | 3,007 | 4,114 | |
| 2016 | R | 860 | 2,579 | 3,688 | |
| 2012 | R | 1,159 | 2,329 | 3,578 | |
| 2008 | R | 1,563 | 2,183 | 3,814 | |
| 2004 | R | 1,135 | 2,797 | 3,992 | |
| 2000 | R | 1,328 | 2,441 | 3,874 | |
| 1996 | R | 1,311 | 1,947 | 3,900 | |
| 1992 | R | 1,221 | 2,030 | 4,323 | |
| 1988 | R | 1,349 | 2,698 | 4,069 | |
| 1984 | R | 1,357 | 3,281 | 4,662 | |
| 1980 | R | 1,520 | 3,189 | 4,963 | |
| 1976 | R | 2,071 | 3,093 | 5,234 | |
| 1972 | R | 1,566 | 3,703 | 5,289 | |
| 1968 | R | 1,854 | 3,326 | 5,586 | |
| 1964 | D | 2,940 | 2,886 | 5,831 | |
| 1960 | R | 2,399 | 3,626 | 6,032 | |
| 1956 | R | 1,961 | 4,004 | 5,974 | |
| 1952 | R | 1,815 | 4,125 | 5,957 | |
| 1948 | R | 2,317 | 3,224 | 5,570 | |
| 1944 | R | 2,065 | 3,621 | 5,713 | |
| 1940 | R | 2,689 | 3,675 | 6,384 | |
| 1936 | D | 3,211 | 2,989 | 6,331 | |
| 1932 | D | 3,496 | 2,433 | 5,983 | |
| 1928 | R | 2,368 | 3,360 | 5,756 | |
| 1924 | R | 2,104 | 3,250 | 5,590 | |
| 1920 | R | 2,098 | 3,900 | 6,081 | |
| 1916 | R | 1,502 | 1,872 | 3,456 | |
| 1912 | D | 1,425 | 1,030 | 3,386 | |
| 1908 | R | 1,566 | 1,936 | 3,620 | |
| 1904 | R | 1,470 | 2,098 | 3,707 | |
| 1900 | R | 1,563 | 2,032 | 3,696 | |
| 1896 | R | 1,582 | 1,998 | 3,624 | |
| 1892 | R | 1,391 | 1,617 | 3,182 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Benton County's flat, agricultural landscape anchors an electorate that delivered a 47-point Republican presidential margin in 2024, making it among the most one-sided counties in a state already tilted heavily toward the GOP.
The Republican margin in Benton County reached its widest at forty-nine points in 2020. The margin in 2024 was forty-seven points, in line with the county's deep historical pattern.
Benton County's loyalty is rooted in its place. Median household income of $65,875, a 91% non-Hispanic-white share, and a population of 8,735 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 Rush County and Shelby County.
