Sebastian County, Arkansas Demographics 2026
Sebastian County, Arkansas has a population of 128,900, the 4th most populous county in Arkansas. The median household income is $57,790 and the median home value is $176,200. The poverty rate is 16.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Sebastian County Quick Facts
How Sebastian County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 128,448 | 128,900 | +0.4% |
| Median household income | $56,450 | $57,790 | +2.4% |
| Median home value | $166,000 | $176,200 | +6.1% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 51 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Sebastian County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Fort Smith | 89,805 | $54,816 | 18.3% | $178,100 |
| Greenwood | 9,616 | $66,844 | 10.0% | $182,900 |
| Barling | 5,007 | $54,387 | 15.1% | $140,000 |
| Lavaca | 2,489 | $80,924 | 5.9% | $162,300 |
| Mansfield | 1,204 | $53,068 | 23.5% | $113,500 |
| Hackett | 1,118 | $44,081 | 18.7% | $136,700 |
| Bonanza | 711 | $63,631 | 13.2% | $133,300 |
| Central City | 627 | $69,583 | 11.1% | $134,700 |
| Hartford | 496 | $45,341 | 24.9% | $83,700 |
| Huntington | 468 | $35,833 | 23.7% | $45,600 |
| Midland | 262 | $36,461 | 22.5% | $64,300 |
Explore Arkansas Rankings
Population Overview
Sebastian County is located in Arkansas with a total population of 128,900. It is the 4th most populous county out of 75 in Arkansas. The county encompasses 11 Census-designated places.
Age Demographics
The median age in Sebastian County is 38.0 years. This is 1% lower than the state median of 38.5 years.
Economy, Income & Housing
The median household income in Sebastian County is $57,790. This is 5% lower than the state median of $60,773. It is also 28% lower than the national median of $80,734. The poverty rate stands at 16.0%. This is about the same as the state poverty rate of 16.0%. The unemployment rate is 5.5%. This is 11% higher than the state rate of 4.9%. The median home value is $176,200. Housing costs are 6% lower than the state median of $188,000. The home-value-to-income ratio is 3.0x. 61.4% of occupied housing units are owner-occupied. This homeownership rate is 8% lower than the state average of 66.4%.
Race & Ethnicity
The largest racial or ethnic group in Sebastian County is White (non-Hispanic), making up 66.2% of the population. Hispanic or Latino residents account for 16.0%. The Black or African American population (5.1%) is well below the state average of 14.6%. The Hispanic or Latino population is significantly higher than the state average (16.0% vs 9.0%). The Asian population is significantly higher than the state average (4.3% vs 1.6%).
Education
23.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% lower than the state rate of 25.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.6%.
Data Sources & Methodology
All figures for Sebastian County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Arkansas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Sebastian County, Arkansas?
Sebastian County has a population of 128,900, making it the 4th most populous county in Arkansas.
What is the median income in Sebastian County?
The median household income in Sebastian County is $57,790 with a poverty rate of 16.0%.
How many cities are in Sebastian County, Arkansas?
Sebastian County contains 11 Census-designated places.