Tom Green County area

Population and density of Tom Green County

The Census Bureau estimates that 120,602 people lived in Tom Green County on July 1, 2025. That ranks #543 of 3,222 county equivalents nationally and #41 of 254 in Texas. Since the April 1, 2020 estimates base of 120,002, the population has grown by 600 (+0.5%), compared with +8.8% for Texas as a whole.

With 1,522.3 square miles of land, that is 79 people per square mile (31 per km²), placing Tom Green County #1,167 nationally for density and #59 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 8.1 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Tom Green County

1 incorporated place lies at least partly in Tom Green County. Together they are home to 100,640 people (83.4%); the other 19,962 (16.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is San Angelo city, with 100,640 residents in the county.

Metropolitan area

Tom Green County is a central county of the San Angelo, TX Metropolitan Statistical Area. Its 2 county equivalents have 122,065 residents on 2,573.9 square miles of land; Tom Green County accounts for 59.1% of the land and 98.8% of the residents. By combined land it ranks #129 of 393 metropolitan areas, and #335 by population.

ZIP codes

17 ZIP Code Tabulation Areas have land in Tom Green County; 15 of them have most of their land inside the county, and the others mainly cover neighboring areas.

7686176901769027690376904769057690876909769347693576937769397694076945769557695776958

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Tom Green County

Tom Green County shares a land border with 7 county equivalents. It has more land than every one of them. The largest neighbor is Schleicher County (1,310.6 mi²) and the smallest is Coke County (911.6 mi²). Together with its neighbors, Tom Green County forms a block of 8,929.7 mi² of land, of which it holds 17%.

How big is Tom Green County compared with U.S. states?

Tom Green County has more land than 1 of the 50 states. It is about 1.5 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.3 times as much land (1,948.6 mi²). Texas’s county land could hold about 172 areas the size of Tom Green County.

Another way to picture it: the same land area would fill a square about 39 miles (62.8 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Tom Green County?

Tom Green County has more land than 2,830 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Tom Green County at #436 nationally by total area, 44 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 1.2%, compared with a national county-equivalent median of 1.2%. The two percentages are within 0.1 percentage points of each other. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Tom Green County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.