Population overview
Bastrop County is home to roughly 118,908 people, making up about 0.37% of the total population of Texas. Within the Central Texas region, it ranks #12 of 76 counties by population. The combination of 888 square miles of land and 118,908 residents yields a density of about 133.9 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 Bastrop County compares
Compared with the other 253 Texas counties, Bastrop County sits in the top 25% of the population distribution. It belongs to the upper tier of Texas counties — sizable enough to support diverse local services and infrastructure.
| Comparison | Population | vs Bastrop |
|---|---|---|
| Bastrop County | 118,908 | — |
| Central Texas region average | 81,016 | -32% |
| Texas county median | 18,916 | -84% |
| Largest in Texas (Harris) | 5,045,026 | +4143% |
Neighboring county populations
Bastrop County shares borders with 5 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.
| County | Seat | Population | Density |
|---|---|---|---|
| Travis County | Austin | 1,389,670 | 1405.1 |
| Williamson County | Georgetown | 752,827 | 669.8 |
| Caldwell County | Lockhart | 55,150 | 101.0 |
| Fayette County | La Grange | 25,459 | 26.8 |
| Lee County | Giddings | 18,729 | 29.8 |
Frequently asked questions
What is the population of Bastrop County, Texas?+
Bastrop County has an estimated population of 118,908 residents, based on the most recent U.S. Census data.
What is the population density of Bastrop County?+
Bastrop County has a population density of approximately 133.9 people per square mile across its 888 sq mi of land area — characteristic of a small-town / exurban county.
Where does Bastrop County rank among Texas counties by population?+
Bastrop County ranks #42 out of 254 Texas counties by total population, accounting for roughly 0.37% of the state's total population.
What is the most populous county near Bastrop County?+
Among the 5 counties bordering Bastrop, Travis County is the most populous with about 1,389,670 residents.
How is Bastrop 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.