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
Homeownership is the standout figure in Sebastian County: 61.2% of homes are owner-occupied, lower than the national rate. Sebastian County is a county in Arkansas with a population of 128,448. That makes it one of the ten largest counties in Arkansas in the country, at #4 by population.
The typical household here earns about $56,450, below the US median of $78,538. Poverty runs at 11.0%, below the national 12.4%. Homes carry a median value of $166,000, with typical rent around $854.
Degree attainment is mid-range for US counties: 24.4% of adults hold a four-year degree, below the national 35.0%. About 7.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 20 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.
Sebastian County, AR Climate
Sebastian County, AR has an average annual temperature of 15.9°C (61°F) and receives about 1216 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
15.9°C
Avg Temp
1216
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 3° / 38° | 66 mm |
| February | 6° / 44° | 73 mm |
| March | 11° / 52° | 112 mm |
| April | 16° / 61° | 112 mm |
| May | 20° / 69° | 147 mm |
| June | 25° / 76° | 110 mm |
| July | 27° / 81° | 87 mm |
| August | 27° / 80° | 73 mm |
| September | 23° / 73° | 114 mm |
| October | 17° / 62° | 110 mm |
| November | 10° / 50° | 116 mm |
| December | 5° / 42° | 96 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sebastian County, AR
The most comfortable months to visit Sebastian County, AR are typically September, May and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near -3°C low). May is usually the wettest month.
Where to stay near Sebastian County
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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.