Population overview
Atascosa County is home to roughly 53,590 people, making up about 0.17% of the total population of Texas. Within the South Texas region, it ranks #9 of 26 counties by population. The combination of 1,232 square miles of land and 53,590 residents yields a density of about 43.5 people per square mile — characteristic of small-town and exurban Texas, where towns are anchored by a county seat surrounded by working farmland and ranches.
How Atascosa County compares
Compared with the other 253 Texas counties, Atascosa County sits in the upper half of the population distribution. It represents the broad middle of Texas — small to mid-sized counties with a clear county seat and a regionally rooted economy.
| Comparison | Population | vs Atascosa |
|---|---|---|
| Atascosa County | 53,590 | — |
| South Texas region average | 157,697 | +194% |
| Texas county median | 18,916 | -65% |
| Largest in Texas (Harris) | 5,045,026 | +9314% |
Neighboring county populations
Atascosa County shares borders with 8 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Bexar County | San Antonio | 2,160,088 | 1732.2 |
| Medina County | Hondo | 56,881 | 42.8 |
| Wilson County | Floresville | 56,139 | 69.6 |
| Frio County | Pearsall | 18,823 | 16.6 |
| Karnes County | Karnes City | 15,018 | 20.0 |
| Live Oak County | George West | 11,929 | 11.5 |
| La Salle County | Cotulla | 6,517 | 4.4 |
| McMullen County | Tilden | 544 | 0.5 |
Frequently asked questions
What is the population of Atascosa County, Texas?+
Atascosa County has an estimated population of 53,590 residents, based on the most recent U.S. Census data.
What is the population density of Atascosa County?+
Atascosa County has a population density of approximately 43.5 people per square mile across its 1,232 sq mi of land area — characteristic of a small-town / exurban county.
Where does Atascosa County rank among Texas counties by population?+
Atascosa County ranks #70 out of 254 Texas counties by total population, accounting for roughly 0.17% of the state's total population.
What is the most populous county near Atascosa County?+
Among the 8 counties bordering Atascosa, Bexar County is the most populous with about 2,160,088 residents.
How is Atascosa County's population measured?+
Population figures are sourced from the U.S. Census Bureau — the decennial census and annual American Community Survey (ACS) population estimates. See our methodology for full sourcing.