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Sebastian County, AR Demographics

Sebastian County, AR is the 4th most populous of 75 counties in Arkansas, with 127,799 residents across 531 square miles. That is about 241 people per square mile.

At the 2020 census

Population 127,799
Land area 531 sq mi
Density 241 / sq mi

Data: 2020 Census · American Community Survey 2024

How Sebastian County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Sebastian County, AR

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Sebastian County, AR — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Sebastian County, AR

Name Population Sq mi Per sq mi
Census Tract 103.01 6,441 44.6 144
Census Tract 101.02 6,312 129.9 49
Census Tract 1 6,116 2.7 2,286
Census Tract 101.01 5,921 60.0 99
Census Tract 2 5,561 6.2 890
Census Tract 13.10 5,273 2.2 2,420
Census Tract 7 5,263 1.3 3,991
Census Tract 5.01 5,248 1.0 5,177
Census Tract 102.01 4,969 47.3 105
Census Tract 10.01 4,828 1.2 3,900
Census Tract 6 4,801 4.8 990
Census Tract 13.05 4,549 2.7 1,655
Census Tract 13.08 4,126 5.9 702
Census Tract 11.01 4,123 2.3 1,777
Census Tract 13.12 3,964 1.3 2,944
Census Tract 13.06 3,964 6.1 647
Census Tract 8 3,893 1.0 4,052
Census Tract 102.02 3,839 10.5 365
Census Tract 13.11 3,775 4.7 807
Census Tract 103.04 3,644 87.6 42
Census Tract 12.01 3,479 1.7 2,025
Census Tract 4 3,411 0.8 4,025
Census Tract 13.07 3,313 9.6 347
Census Tract 11.02 3,275 5.0 653
Census Tract 12.02 3,242 1.7 1,917
Census Tract 5.02 3,208 1.1 2,853
Census Tract 13.01 2,579 2.0 1,264
Census Tract 103.03 2,422 80.2 30
Census Tract 3 2,334 2.5 947
Census Tract 10.02 2,071 1.0 2,104
Census Tract 13.09 1,855 2.0 950

Related places

Metro areas containing Sebastian County

About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →