Sebastian County, Arkansas
Located in Arkansas, Sebastian County has a population of 128,900 residents and a median age of 38.0 years, making it the #511 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.0%. The median home value is $176,200, and the median household income is $57,790, which is 23% below the national median.
Demographics
Sebastian County has a population of 128,900, making it the #511 most populous county in the US. The median age is 38.0 years, which is 2.3% 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 Sebastian County is $57,790, ranking #2,276 out of 3,222 counties — 23.1% below the national median. The poverty rate is 16.0% and unemployment stands at 5.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Sebastian County is $176,200 (-37.5% vs national). Renters pay a median of $886/mo and the homeownership rate is 61.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Sebastian County, 23.3% of adults age 25+ hold a bachelor's degree or higher, which is 30.8% below the national average, ranking #1,457 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Sebastian County is 73.5 years. 24.7% of adults report poor or fair health and 11.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.1% of adults in Sebastian County smoke , 35.9% are obese , and 16.8% report excessive drinking. The drug overdose death rate is 24.4 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Sebastian County is 6.3 per 100,000 and the suicide rate is 18.6 per 100,000. Motor vehicle deaths occur at a rate of 14.9 per 100,000.
Homicide Rate Trend
Families & Children
17.7% of children in Sebastian County live in poverty and the infant mortality rate is 6.0 per 1,000 live births. The teen birth rate is 29.6 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Sebastian County is 51.5%. The mean commute time is 21.2 min, which is 23.0% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Sebastian County voted Republican with a margin of 37.6%. The vote was 30% Dem / 67.6% Rep. Compared to 2020, the margin shifted 2.1 toward Republicans .
Vote Share Over Time
About Sebastian County, Arkansas
Sebastian County, Arkansas has a total population of 128,900, making it the 511th most populous county in the United States. The median age in Sebastian County is 38.0 years, which is 2.3% below the national median of 38.9 years.
The median household income in Sebastian County is $57,790, which ranks #2,276 of 3,222 counties nationwide. This is 23.1% below the national median of $75,149. The poverty rate is 16.0%, higher than the national rate of 12.6%. The unemployment rate stands at 5.4%.
The median home value in Sebastian County is $176,200, 37.5% below the national median. Renters in Sebastian County pay a median gross rent of $886 per month. The homeownership rate is 61.4%, compared to the national rate of 64.4%.
In Sebastian County, 23.3% of residents aged 25 and older hold a bachelor's degree or higher, 30.8% below the national average of 33.7%. Health insurance coverage stands at 89.5% of the population. The average commute time for workers is 21.2 min.
Sebastian County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 66.2% of the population, followed by Hispanic or Latino (16.0%) and Two or More Races (7.4%).
All data for Sebastian 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.