Sebastian County, Arkansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Arkansas
The population of Sebastian County, Arkansas is 128,448 as of the 2023 American Community Survey, making it the 4th-largest county in Arkansas. The median household income is $56,450, the median home value is $166,000, and the median age is 38.0.
The population of Sebastian County has grown 3.4% since 2010 (125,782 → 130,035), a +0.24% annualized rate.
128,448
Population
+0.24%
Annual growth
242
People / sq mi
$56,450
Median Income
$166,000
Median Home Value
Sebastian County covers 531 sq mi of land at 241.8 people per square mile.
About Sebastian County, AR
Sebastian County is a county in Arkansas with a population of 128,448. It ranks #4 among counties in Arkansas by population. The median age is 38.0, in line with the national median. The population is 49.2% male and 50.8% female.
The median household income in Sebastian County is $56,450, below the US median of $74,580. 11.0% of residents live below the federal poverty level. Home values sit at a median of $166,000, with monthly rent averaging $854. The homeownership rate of 61.2% is lower than the national rate of 64.8%.
Educational attainment in Sebastian County reflects 24.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.8 minutes each way.
Sebastian County Population History (2010-2024)
The county of Sebastian County had a population of 125,782 in 2010 and 130,035 in 2024, a 3.4% growth over 14 years. The peak was 130,035 in 2024. Average annual growth rate: 0.24%.
130,035
Population (2024)
125,782
Population (2010)
130,035
Peak (2024)
0.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 125,782 |
| 2011 | 127,067 |
| 2012 | 127,645 |
| 2013 | 127,266 |
| 2014 | 126,852 |
| 2015 | 127,511 |
| 2016 | 127,578 |
| 2017 | 127,910 |
| 2018 | 127,582 |
| 2019 | 127,688 |
| 2020 | 127,813 |
| 2021 | 128,223 |
| 2022 | 129,226 |
| 2023 | 129,203 |
| 2024 | 130,035 |
Race & Ethnicity
| White | 69.2% |
| Black or African American | 5.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.6% |
| Two or More Races | 0.0% |
Age & Sex
38.0
Median Age
50.8%
Female
49.2%
Male
16.7%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 16.7%
Income & Poverty
| Median household income | $56,450$-2,323 vs state |
| Mean household income | $85,707 |
| Per-capita income | $34,275 |
| Poverty rate | 11.0%-0.5% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 56.8% |
Top Industries by Employment
The largest employment sector in Sebastian County is professional & business services, accounting for 21.3% of workers.
How residents commute
0.1%
Drive alone
1.2%
Carpool
79.1%
Public transit
7.1%
Work from home
19.8 min
Avg commute
Housing
$166,000$-9,300 vs state
Median home value
$854
Median rent
61.2%
Homeownership rate
57,197
Total housing units
90.8%
Occupied
9.2%
Vacant
38.8%
Renter-occupied
Social & access
89.5%
With health insurance
93.1%
With broadband internet
35.2%
Foreign-born
8.2%
Veterans (18+)
22.0%
With a disability
84.3%
Speak language other than English at home
Education
85.2%
High School+
24.4%
Bachelor's+
Largest cities in Arkansas
Other counties in Arkansas
Part of Arkansas
Metro areas in Arkansas
County rankings
Frequently Asked Questions
Sebastian County, Arkansas has a population of 128,448 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Arkansas. Population density is 242 people per square mile.
The population of Sebastian County has grown 3.4% since 2010 (125,782 → 130,035), a +0.24% annualized rate.
The median household income in Sebastian County, Arkansas is $56,450, with mean (average) household income of $85,707 and per-capita income of $34,275. 11.0% of residents live below the federal poverty level.
In Sebastian County, the largest racial and ethnic groups are White (69.2%), Black or African American (5.7%), Hispanic or Latino (4.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Sebastian County, Arkansas is 38.0 years. Residents are 50.8% female and 49.2% male.
The median home value in Sebastian County is $166,000 and median monthly rent is $854. 61.2% of occupied housing units are owner-occupied. The county has 57,197 total housing units, 9.2% of which are vacant.
The largest employment sector in Sebastian County, Arkansas is professional, scientific, and management services, employing 21.3% of workers. The unemployment rate is 3.5%.
Little Rock is among the largest cities associated with Sebastian County, Arkansas, with a population of 202,739.
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Full rankings of Arkansas counties
Statewide data for Arkansas
Population, race, income, age, and trends across Arkansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.