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Castro County, TX Demographics

Castro County, TX is the 182nd most populous of 254 counties in Texas, with 7,371 residents across 894 square miles. That is about 8 people per square mile.

At the 2020 census

Population 7,371
Land area 894 sq mi
Density 8 / sq mi

Data: 2020 Census · American Community Survey 2024

How Castro 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: Castro County, TX

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

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

Census tracts in Castro County, TX

Name Population Sq mi Per sq mi
Census Tract 9502 4,407 38.3 115
Census Tract 9503 1,876 437.6 4
Census Tract 9501 1,088 418.6 3

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 →