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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

Population 128,900
Median Household Income $57,790
Median Home Value $176,200
Poverty Rate 16.0%
Unemployment Rate 5.5%
Median Age 38.0 years
Homeownership Rate 61.4%
Affordability Ratio 3.0x
Bachelor's Degree+ 23.3%
High School Graduation 85.6%
Cities/Places 11
Population 128,900 4th of 75
Median Income $57,790 5% lower than state
Poverty Rate 16.0%
Unemployment 5.5%

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.

Metric2019–20232020–2024Change
Population128,448128,900+0.4%
Median household income$56,450$57,790+2.4%
Median home value$166,000$176,200+6.1%

Economy & Housing

Household Income Distribution

Under $25K 18.4%
$25K-$50K 25.3%
$50K-$100K 30.6%
$100K+ 25.7%
Detailed income brackets
Under $10K
5.2%
$10K-$15K
5.5%
$15K-$20K
4.1%
$20K-$25K
3.6%
$25K-$30K
4.5%
$30K-$35K
5.7%
$35K-$40K
5.1%
$40K-$45K
4.8%
$45K-$50K
5.3%
$50K-$60K
8.0%
$60K-$75K
10.9%
$75K-$100K
11.8%
$100K-$125K
8.7%
$125K-$150K
5.3%
$150K-$200K
5.4%
$200K+
6.3%

Employment

5.5% Unemployment Rate State: 4.9%|National: 5.2%
60.6% Labor Force Participation

Housing Overview

Owner 61.4%
Renter 38.6%
Affordability Index Affordable
3.0x home value to income ratio
Median gross rent $886/mo 18.4% of median household income annually

People & Demographics

Diversity Index

53out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 51 | National average: 61

Education

Cities & Places in Sebastian County

CityPopulationMedian IncomePovertyHome Value
Fort Smith89,805$54,81618.3%$178,100
Greenwood9,616$66,84410.0%$182,900
Barling5,007$54,38715.1%$140,000
Lavaca2,489$80,9245.9%$162,300
Mansfield1,204$53,06823.5%$113,500
Hackett1,118$44,08118.7%$136,700
Bonanza711$63,63113.2%$133,300
Central City627$69,58311.1%$134,700
Hartford496$45,34124.9%$83,700
Huntington468$35,83323.7%$45,600
Midland262$36,46122.5%$64,300

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.