• county
  • FIPS 05131
  • Largest town: Fort Smith

Sebastian County, Arkansas

Sebastian County had 130,035 residents in the Census Vintage 2024 estimate, on 531.2 square miles of land. It ranks 6th of 75 in Arkansas by population and 74th by land area.

Population
130,035
#6 of 75 in Arkansas · #507 in US
Area
531.2 sq mi
#74 of 75 in Arkansas · #1,973 in US
Density
245 / sq mi
#4 of 75 in Arkansas · #506 in US
Median household income
$58,112
#12 of 75 in Arkansas · #2,019 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Sebastian County within Arkansas. Pin: Little Rock.

Measure from here

Tools and pages that start from Sebastian County

Sebastian County population, land area and income

Sebastian County had 130,035 residents in the Census Vintage 2024 estimate, on 531.2 square miles of land. It ranks 6th of 75 in Arkansas by population and 74th by land area. That works out to 244.8 people per square mile, 2.5 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Arkansas has 18,130 residents, so Sebastian County is 7.2 times that size.

Its SAIPE 2023 median household income of $58,112 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

130,035

3144th1st

507th of 3,144 (US)

Land area

531 sq mi

3144th1st

1973rd of 3,144 (US)

Density

244.8 / sq mi

3144th1st

506th of 3,144 (US)

Median household income

$58,112

3143rd1st

2019th of 3,143 (US)

Rank within Arkansas (75)

Population

130,035

75th1st

6th of 75 (AR)

Land area

531 sq mi

75th1st

74th of 75 (AR)

Density

244.8 / sq mi

75th1st

4th of 75 (AR)

Median household income

$58,112

75th1st

12th of 75 (AR)

How Sebastian County's population changed since 2020

Sebastian County gained 2,222 residents between the July 2020 and July 2024 estimates, a rise of 1.7%. That ranks 27th of 75 in Arkansas for growth. The median Arkansas county changed by -0.2%, and the state as a whole by +2.4%.

Since the April 2020 estimates base, Sebastian County recorded 6,689 births and 6,684 deaths, a natural change of +5. Net international migration added +683 and net domestic migration, people moving to or from other US counties, came to +1,469. The largest single component was domestic migration, which added 1,469 people.

127.8k2020128.2k2021129.2k2022129.2k2023130.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
6,689
Deaths
6,684
Net international migration
+683
Net domestic migration
+1,469
Change, July 2023 to July 2024
+832

Where Sebastian County is

The Census internal point of Sebastian County is at 35.197000, -94.275000. It sits in UTM zone 15N. The map shades Arkansas's 75 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Sebastian County outlined. Dots are towns of 1,000+ people with residents in it.

Lincoln County: -0.2%Cleveland County: -2.5%St. Francis County: -5.2%Howard County: -2.9%Drew County: -2.2%Van Buren County: +2.2%Searcy County: -0.1%Poinsett County: -2.9%Hot Spring County: +0.7%Izard County: +5.0%Cross County: -3.6%Garland County: -0.4%Nevada County: -3.4%Washington County: +7.9%Union County: -5.0%Pope County: +2.2%Columbia County: -3.2%Conway County: +3.3%Faulkner County: +6.3%Miller County: -1.5%Arkansas County: -6.2%Clay County: -2.9%Saline County: +6.0%Yell County: -0.4%Craighead County: +3.8%Monroe County: -5.3%Calhoun County: -1.0%Marion County: +4.3%Carroll County: +2.6%Mississippi County: -6.0%Ashley County: -5.2%Independence County: +1.1%Stone County: +3.5%Madison County: +7.9%Johnson County: +1.7%Little River County: -2.9%Montgomery County: +0.3%Perry County: +2.5%Pike County: -1.3%Lee County: -5.0%Randolph County: +2.4%Woodruff County: -6.6%Lafayette County: -4.4%Grant County: +2.9%Greene County: +2.3%Jefferson County: -4.7%Franklin County: +2.6%Dallas County: -5.7%Crittenden County: -3.0%White County: +2.9%Lonoke County: +3.1%Bradley County: -5.3%Benton County: +12.2%Fulton County: +4.1%Desha County: -8.8%Pulaski County: +0.5%Newton County: -2.4%Logan County: +1.6%Scott County: +0.1%Prairie County: -3.8%Phillips County: -10.8%Ouachita County: -4.1%Polk County: +1.3%Cleburne County: +3.8%Sebastian County: +1.7%Clark County: -2.3%Sevier County: -0.3%Hempstead County: -4.4%Jackson County: -0.5%Chicot County: -8.7%Sharp County: +4.7%Crawford County: +3.5%Boone County: +3.3%Baxter County: +3.1%Lawrence County: +0.5%
Change 2020 to 2024
  1. < -4.4%
  2. < -2.2%
  3. < +1.1%
  4. < +3.1%
  5. ≥ +3.1%
no data

Orange pin: Sebastian County internal point. Dark pin: Little Rock.

Internal point

Decimal
35.197000, -94.275000
DMS
35°11'49.20"N 94°16'30.00"W
UTM
15N 383930.4E 3895634.4N
Geohash
9ykbnxrj3
Plus code
86775PWG+R2

Towns in Sebastian County

5 incorporated places of 1,000+ people have residents in Sebastian County, 108,732 people together, or 84% of the county. Each figure counts only the part of the town inside Sebastian County; towns marked "part" extend into another county. The largest is Fort Smith with 90,507.

  1. 01Fort Smith90,507
  2. 02Greenwood9,730
  3. 03Barling5,284
  4. 04Lavaca2,528
  5. 05Mansfield (part)683
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Sebastian County

The Census 2024 county adjacency file lists 6 neighbors for Sebastian County, including 2 across a state line. The most populous is Crawford County, AR, with 62,258 residents. Distances run between Census internal points in a straight line.

Distance to Little Rock and the nearest big city

Little Rock is 116.7 miles ESE of Sebastian County's internal point in a straight line. The nearest place of 100,000 or more is Fayetteville, AR (population 103,134), 60.7 miles away. The nearest place of 10,000 or more is Fort Smith, AR (population 90,507), 11.8 miles away.

Sebastian County FIPS code

The FIPS code of Sebastian County is 05131: state code 05 for Arkansas plus county code 131. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $58,112.

Questions people ask

What is the population of Sebastian County, Arkansas?

The Census Vintage 2024 estimate for July 1, 2024 is 130,035. That is up 2,222 people (1.7%) from the July 2020 estimate of 127,813.

What is the FIPS code of Sebastian County?

05131. The first two digits (05) are Arkansas; the last three (131) identify the county.

What is the largest town in Sebastian County?

Fort Smith, with 90,507 residents inside Sebastian County in 2024.

Which counties border Sebastian County?

6 county-equivalents border it in the Census 2024 adjacency file: Crawford County, AR; Le Flore County, OK; Sequoyah County, OK; Logan County, AR; Franklin County, AR; Scott County, AR.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.