Benton County, Arkansas
Located in Arkansas, Benton County has a population of 303,632 residents and a median age of 35.9 years, making it the #238 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.6%. The median home value is $323,500, and the median household income is $93,506, which is 24% above the national median.
Demographics
Benton County has a population of 303,632, making it the #238 most populous county in the US. The median age is 35.9 years, which is 7.7% 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 $93,506, ranking #243 out of 3,222 counties — 24.4% above the national median. The poverty rate is 7.6% and unemployment stands at 3.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Benton County is $323,500 (+14.8% vs national). Renters pay a median of $1,277/mo and the homeownership rate is 67.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Benton County, 37.8% of adults age 25+ hold a bachelor's degree or higher, which is 12.0% above the national average, ranking #356 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Benton County is 78.2 years. 16.9% of adults report poor or fair health and 10.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.8% of adults in Benton County smoke , 34.2% are obese , and 19.5% report excessive drinking. The drug overdose death rate is 14.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Benton County is 2.2 per 100,000 and the suicide rate is 14.4 per 100,000. Motor vehicle deaths occur at a rate of 11.3 per 100,000.
Homicide Rate Trend
Families & Children
9.0% of children in Benton County live in poverty and the infant mortality rate is 5.7 per 1,000 live births. The teen birth rate is 19.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Benton County is 66.1%. The mean commute time is 23.7 min, which is 14.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Benton County voted Republican with a margin of 26.9%. The vote was 35.2% Dem / 62.1% Rep. Compared to 2020, the margin shifted 0.4 toward Republicans .
Vote Share Over Time
About Benton County, Arkansas
Benton County, Arkansas has a total population of 303,632, making it the 238th most populous county in the United States. The median age in Benton County is 35.9 years, which is 7.7% below the national median of 38.9 years.
The median household income in Benton County is $93,506, which ranks #243 of 3,222 counties nationwide. This is 24.4% above the national median of $75,149. The poverty rate is 7.6%, lower than the national rate of 12.6%. The unemployment rate stands at 3.1%.
The median home value in Benton County is $323,500, 14.8% above the national median. Renters in Benton County pay a median gross rent of $1,277 per month. The homeownership rate is 67.0%, compared to the national rate of 64.4%.
In Benton County, 37.8% of residents aged 25 and older hold a bachelor's degree or higher, 12.0% above the national average of 33.7%. Health insurance coverage stands at 90.5% of the population. The average commute time for workers is 23.7 min.
Benton County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 58.0% of the population, followed by Hispanic or Latino (18.5%) and Two or More Races (15.3%).
All data for Benton County, Arkansas 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.