All counties →

Colleton County, SC Demographics

Colleton County, SC is the 26th most populous of 46 counties in South Carolina, with 38,554 residents across 1,057 square miles. That is about 36 people per square mile.

At the 2020 census

Population 38,554
Land area 1,057 sq mi
Density 36 / sq mi

Data: 2020 Census · American Community Survey 2024

How Colleton 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: Colleton County, SC

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

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

Census tracts in Colleton County, SC

Name Population Sq mi Per sq mi
Census Tract 9706.01 4,508 46.7 97
Census Tract 9704.01 4,294 148.9 29
Census Tract 9703.01 3,962 100.6 39
Census Tract 9704.02 3,655 15.7 233
Census Tract 9707.01 3,187 57.9 55
Census Tract 9705.01 2,957 2.2 1,339
Census Tract 9706.02 2,927 48.6 60
Census Tract 9707.02 2,848 83.2 34
Census Tract 9705.02 2,622 3.8 694
Census Tract 9708 2,530 245.5 10
Census Tract 9703.02 1,825 94.7 19
Census Tract 9701 1,718 82.0 21
Census Tract 9702 1,571 126.6 12

Related places

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 →