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Williamsburg County, SC Demographics

Williamsburg County, SC is the 30th most populous of 46 counties in South Carolina, with 31,026 residents across 934 square miles. That is about 33 people per square mile.

At the 2020 census

Population 31,026
Land area 934 sq mi
Density 33 / sq mi

Data: 2020 Census · American Community Survey 2024

How Williamsburg 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: Williamsburg County, SC

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

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

Census tracts in Williamsburg County, SC

Name Population Sq mi Per sq mi
Census Tract 9703 4,334 85.1 51
Census Tract 9705.02 3,942 25.7 154
Census Tract 9705.01 3,258 73.6 44
Census Tract 9704 2,768 145.5 19
Census Tract 9708.01 2,562 161.4 16
Census Tract 9709 2,538 116.7 22
Census Tract 9706.01 2,500 37.3 67
Census Tract 9706.02 2,268 47.6 48
Census Tract 9707 2,114 96.8 22
Census Tract 9701 2,093 78.1 27
Census Tract 9702 1,330 66.4 20
Census Tract 9708.02 1,319 0.1 15,119

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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 →