Benton County's estimated 2026 population is 99,565 with a growth rate of 0.34% 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 16.35% since that time.
Data after 2023 is projected based on recent change
The racial composition of Benton County includes 80.42% White, 6.62% Asian, 3.11% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (80.42%)
Two or more races (7.47%)
Asian (6.62%)
Other race (3.11%)
Black or African American (1.4%)
Native American (0.8%)
Native Hawaiian or Pacific Islander (0.18%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 77,495 | 80.42% |
| Two or more races | 7,196 | 7.47% |
| Asian | 6,381 | 6.62% |
| Other race | 3,001 | 3.11% |
| Black or African American | 1,346 | 1.4% |
| Native American | 768 | 0.8% |
| Native Hawaiian or Pacific Islander | 172 | 0.18% |
Married
Widowed
Divorced
Separated
Never Married
Benton County's average per capita income is $49,764. Household income levels show a median of $76,011. The poverty rate stands at 19.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $126,832 | $154,980 |
| Families | $113,224 | $137,771 |
| Households | $76,011 | $102,528 |
| Non Families | $43,300 | $57,570 |
Average Income
Median Household Income
Poverty Rate
