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San Augustine County, TX Demographics

San Augustine County, TX is the 177th most populous of 254 counties in Texas, with 7,918 residents across 531 square miles. That is about 15 people per square mile.

At the 2020 census

Population 7,918
Land area 531 sq mi
Density 15 / sq mi

Data: 2020 Census · American Community Survey 2024

How San Augustine 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: San Augustine County, TX

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

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

Census tracts in San Augustine County, TX

Name Population Sq mi Per sq mi
Census Tract 9501 2,956 285.3 10
Census Tract 9502 2,530 13.7 185
Census Tract 9503 2,432 231.7 10

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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 →