2024 results by precinct
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 33,909 | 14,187 | 50,232 | |
| 2020 | D | 35,827 | 14,878 | 52,799 | |
| 2016 | D | 29,193 | 13,445 | 48,753 | |
| 2012 | D | 27,776 | 14,991 | 44,802 | |
| 2008 | D | 29,901 | 15,264 | 46,478 | |
| 2004 | D | 26,515 | 18,460 | 45,735 | |
| 2000 | D | 19,444 | 15,825 | 38,226 | |
| 1996 | D | 17,211 | 12,450 | 34,500 | |
| 1992 | D | 17,966 | 11,550 | 37,923 | |
| 1988 | D | 16,930 | 14,004 | 31,610 | |
| 1984 | R | 16,073 | 17,836 | 34,062 | |
| 1980 | R | 13,150 | 14,982 | 34,507 | |
| 1976 | R | 11,887 | 15,555 | 29,307 | |
| 1972 | R | 10,842 | 14,906 | 26,456 | |
| 1968 | R | 6,538 | 11,654 | 19,016 | |
| 1964 | D | 8,971 | 7,250 | 16,486 | |
| 1960 | R | 5,391 | 9,734 | 15,125 | |
| 1956 | R | 4,214 | 9,016 | 13,230 | |
| 1952 | R | 2,966 | 9,229 | 12,262 | |
| 1948 | R | 3,135 | 6,839 | 10,329 | |
| 1944 | R | 2,830 | 5,242 | 8,141 | |
| 1940 | R | 2,942 | 5,089 | 8,079 | |
| 1936 | D | 3,547 | 3,390 | 7,423 | |
| 1932 | R | 3,121 | 4,068 | 7,433 | |
| 1928 | R | 1,412 | 4,605 | 6,095 | |
| 1924 | R | 1,579 | 3,417 | 5,631 | |
| 1920 | R | 1,719 | 3,752 | 5,663 | |
| 1916 | R | 2,488 | 2,902 | 5,722 | |
| 1912 | D | 986 | 715 | 2,607 | |
| 1908 | R | 773 | 1,183 | 2,113 | |
| 1904 | R | 442 | 1,107 | 1,771 | |
| 1900 | R | 764 | 931 | 1,786 | |
| 1896 | R | 992 | 1,074 | 2,112 | |
| 1892 | R | 689 | 1,097 | 2,417 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
Irish
0.9%
African American
1.0%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 34.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$77,702
Benton County ranks in the top 25% of US counties.
Benton County$77,702
Oregon$83,011
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
18.2%
Children face moderate poverty.
Children under 1818.0%
Working age (18–64)100.0%
Seniors (65+)18.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 71.9% of residents not counted as adherents by any reporting body.
Benton County's D+39.3 margin in 2024 reflects the outsized political weight of Corvallis, a college town where Oregon State University enrolls roughly a quarter of the county's total population.
The Democratic margin in Benton County reached its widest at forty points in 2020. The margin in 2024 was thirty-nine points — still decisive.
Benton County's loyalty is rooted in its place. Median household income of $77,702, a 79% non-Hispanic-white share, and a population of 96,303 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 Boulder County and Jefferson County.
Most similar counties
More democratic loyalist counties