Benton County's estimated 2026 population is 97,866 with a growth rate of 0.14% in the past year according to the most recent United States census data. Benton County is the 11th largest county in Oregon. The 2010 population was 85,577 and has seen a growth of 14.36% since that time.
Data after 2023 is projected based on recent change
Overall: 34.5 years
Female: 36.8 years
Male: 33 years
There are 81,153 adults, (17,318 of whom are seniors) in Benton County.
Female: 47,772 (49.6%)
Male: 48,531 (50.4%)
The racial composition of Benton County includes 79.22% White, 6.66% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 76,292 | 79.22% |
| Two or more races | 8,507 | 8.83% |
| Asian | 6,413 | 6.66% |
| Other race | 2,624 | 2.72% |
| Black or African American | 1,260 | 1.31% |
| Native American | 1,011 | 1.05% |
| Native Hawaiian or Pacific Islander | 196 | 0.2% |
Benton County's average per capita income is $51,681. Household income levels show a median of $77,702. The poverty rate stands at 18.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $132,173 | $171,369 |
| Families | $115,974 | $150,592 |
| Households | $77,702 | $110,290 |
| Non Families | $43,600 | $58,395 |
Average Income
Median Household Income
Poverty Rate
