County Maps US

Bexar County, Texas

A county in Texas, ranked 4 of 254 by population.

CountyFIPS 48029

Within Texas
Bexar County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks San Antonio, the county seat, located via the 2025 Census Gazetteer.

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Population
2,160,088
+144,596 (+7.2%) since 2020
Land area
1,240
square miles. A further 1.2% of the total area is water
Population density
1,741
people per square mile, computed rather than published
County seat
San Antonio
Seat of county government.
Established
1824
201 years ago
Largest city
San Antonio city
Population 1,548,411 for the whole place, which extends beyond this county.

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 Bexar 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 Bexar 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 750 by 800 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 Bexar 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
Population2,160,0884th of 25416th of 3,144
Land area1,240 sq mi37th of 254491st of 3,144
Population density1,741 per sq mi4th of 25486th of 3,144
Median household income$72,34166th of 2541,023rd of 3,143

Full data for Bexar County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population2,160,088Vintage 2025 Population Estimates
Population in 20202,015,492Vintage 2025 Population Estimates
2020 estimates base?2,009,323Vintage 2025 Population Estimates
Land area1,240 sq mi2025 Gazetteer Files
Water area15.7 sq mi2025 Gazetteer Files
Total area1,256 sq mi2025 Gazetteer Files
Population density?1,741 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$72,341American Community Survey 2020-2024 5-Year Estimates
Median home value$262,200American Community Survey 2020-2024 5-Year Estimates
Median age34.8American Community Survey 2020-2024 5-Year Estimates
Households750,939American Community Survey 2020-2024 5-Year Estimates
Housing units820,780American 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
+10,044
26,216 births, 16,172 deaths
Net migration
+10,861
More people moved in than moved out.

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

The 7 areas bordering Bexar 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
Comal CountyTexas45 mi209,166
Guadalupe CountyTexas32 mi201,111
Medina CountyTexas30 mi56,881
Wilson CountyTexas28 mi56,139
Atascosa CountyTexas26 mi53,590
Kendall CountyTexas13 mi53,289
Bandera CountyTexas2.6 mi22,876

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.