County Maps US

Zavala County, Texas

A county in Texas, ranked 173 of 254 by population.

CountyFIPS 48507

Within Texas
Zavala County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data.

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Population
9,037
-631 (-6.5%) since 2020
Land area
1,297
square miles. A further 0.3% of the total area is water
Population density
7.0
people per square mile, computed rather than published
County seat
Crystal City
Seat of county government.
Established
1858
167 years ago
Largest city
Crystal City city
Population 5,871.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Zavala County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Zavala County, Texas from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 607 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Zavala County ranks

Position among the 254 counties of Texas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TexasNationally
Population9,037173rd of 2542,487th of 3,144
Land area1,297 sq mi32nd of 254463rd of 3,144
Population density7.0 per sq mi182nd of 2542,689th of 3,144
Median household income$36,749253rd of 2543,105th of 3,143

Full data for Zavala County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population9,037Vintage 2025 Population Estimates
Population in 20209,668Vintage 2025 Population Estimates
2020 estimates base?9,677Vintage 2025 Population Estimates
Land area1,297 sq mi2025 Gazetteer Files
Water area4.3 sq mi2025 Gazetteer Files
Total area1,302 sq mi2025 Gazetteer Files
Population density?7.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$36,749American Community Survey 2020-2024 5-Year Estimates
Median home value$98,800American Community Survey 2020-2024 5-Year Estimates
Median age30.8American Community Survey 2020-2024 5-Year Estimates
Households3,271American Community Survey 2020-2024 5-Year Estimates
Housing units3,946American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+27
154 births, 127 deaths
Net migration
-169
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Zavala County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Dimmit CountyTexas43 mi8,024
Uvalde CountyTexas42 mi24,963
Frio CountyTexas31 mi18,823
Maverick CountyTexas30 mi58,823
Kinney CountyTexasa single point3,128
Medina CountyTexasa single point56,881

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 254 counties of Texas

Open the interactive Texas county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.