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Willacy County, TX Demographics

Willacy County, TX is the 118th most populous of 254 counties in Texas, with 20,164 residents across 591 square miles. That is about 34 people per square mile.

At the 2020 census

Population 20,164
Land area 591 sq mi
Density 34 / sq mi

Data: 2020 Census · American Community Survey 2024

How Willacy 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: Willacy County, TX

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

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

Census tracts in Willacy County, TX

Name Population Sq mi Per sq mi
Census Tract 9504 7,526 36.8 205
Census Tract 9503 4,787 26.0 184
Census Tract 9505 3,089 76.7 40
Census Tract 9507 2,399 395.9 6
Census Tract 9506 2,363 55.2 43

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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 →