County Maps US

Tom Green County, Texas

A county in Texas, ranked 41 of 254 by population.

CountyFIPS 48451

Within Texas
Tom Green 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 Angelo, the county seat, located via the 2025 Census Gazetteer.

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Population
120,602
+417 (+0.3%) since 2020
Land area
1,522
square miles. A further 1.2% of the total area is water
Population density
79.2
people per square mile, computed rather than published
County seat
San Angelo
Seat of county government.
Established
1874
151 years ago
Largest city
San Angelo city
Population 100,640.

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 Tom Green 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 Tom Green 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 534 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 Tom Green 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
Population120,60241st of 254538th of 3,144
Land area1,522 sq mi17th of 254392nd of 3,144
Population density79.2 per sq mi59th of 2541,088th of 3,144
Median household income$68,37098th of 2541,312th of 3,143

Full data for Tom Green County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population120,602Vintage 2025 Population Estimates
Population in 2020120,185Vintage 2025 Population Estimates
2020 estimates base?120,002Vintage 2025 Population Estimates
Land area1,522 sq mi2025 Gazetteer Files
Water area18.2 sq mi2025 Gazetteer Files
Total area1,541 sq mi2025 Gazetteer Files
Population density?79.2 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$68,370American Community Survey 2020-2024 5-Year Estimates
Median home value$197,000American Community Survey 2020-2024 5-Year Estimates
Median age36.0American Community Survey 2020-2024 5-Year Estimates
Households46,756American Community Survey 2020-2024 5-Year Estimates
Housing units52,318American 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
+312
1,504 births, 1,192 deaths
Net migration
+74
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 8 areas bordering Tom Green 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
Irion CountyTexas64 mi1,463
Sterling CountyTexas36 mi1,349
Coke CountyTexas35 mi3,412
Schleicher CountyTexas34 mi2,245
Concho CountyTexas34 mi3,607
Runnels CountyTexas15 mi9,693
Reagan CountyTexas1.9 mi3,166
Menard CountyTexasa single point1,956

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.