Benton County, Oregon
Located in Oregon, Benton County has a population of 96,303 residents and a median age of 34.5 years, making it the #639 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 18.2%. The median home value is $513,000, and the median household income is $77,702, which is 3% above the national median.
Demographics
Benton County has a population of 96,303, making it the #639 most populous county in the US. The median age is 34.5 years, which is 11.3% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Benton County is $77,702, ranking #687 out of 3,222 counties — 3.4% above the national median. The poverty rate is 18.2% and unemployment stands at 7.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Benton County is $513,000 (+82.0% vs national). Renters pay a median of $1,410/mo and the homeownership rate is 56.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Benton County, 54.2% of adults age 25+ hold a bachelor's degree or higher, which is 60.8% above the national average, ranking #58 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Benton County is 82.4 years. 15.3% of adults report poor or fair health and 5.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
12.4% of adults in Benton County smoke , 26.4% are obese , and 22.6% report excessive drinking. The drug overdose death rate is 11.8 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 12.2 per 100,000. Motor vehicle deaths occur at a rate of 8.0 per 100,000.
Suicide Rate Trend
Families & Children
11.5% of children in Benton County live in poverty and the infant mortality rate is 4.2 per 1,000 live births. The teen birth rate is 2.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Benton County is 73.8%. The mean commute time is 21.6 min, which is 21.7% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Benton County voted Democratic with a margin of 39.6%. The vote was 68.1% Dem / 28.5% Rep. Compared to 2020, the margin shifted 0.1 toward Republicans .
Vote Share Over Time
About Benton County, Oregon
Benton County, Oregon has a total population of 96,303, making it the 639th most populous county in the United States. The median age in Benton County is 34.5 years, which is 11.3% below the national median of 38.9 years.
The median household income in Benton County is $77,702, which ranks #687 of 3,222 counties nationwide. This is 3.4% above the national median of $75,149. The poverty rate is 18.2%, higher than the national rate of 12.6%. The unemployment rate stands at 7.0%.
The median home value in Benton County is $513,000, 82.0% above the national median. Renters in Benton County pay a median gross rent of $1,410 per month. The homeownership rate is 56.9%, compared to the national rate of 64.4%.
In Benton County, 54.2% of residents aged 25 and older hold a bachelor's degree or higher, 60.8% above the national average of 33.7%. Health insurance coverage stands at 95.2% of the population. The average commute time for workers is 21.6 min.
Benton County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 76.2% of the population, followed by Hispanic or Latino (9.4%) and Asian (non-Hispanic) (6.6%).
All data for Benton County, Oregon comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.