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 |
What the numbers mean
Bastrop County's density of about 133.9 people per square mile is 1.1 times the Texas statewide average of roughly 121. Put another way, there are about 5 acres of land for every resident.
At this density the county is anchored by one or two real towns, with farms and ranches between them. Hospitals, school districts and retail tend to concentrate in Bastrop, which draws shoppers and workers from surrounding rural areas.
Bastrop County in statewide context
By population the county ranks 42nd of 254; by land area it ranks 166th; and by density it ranks 42nd. It punches above its size — more people than its land area alone would suggest.
Texas's population is extremely concentrated: the ten largest counties hold well over half of all Texans, while more than 150 counties have fewer than 30,000 residents. Bastrop County sits in the middle ground between the big metros and the rural majority.
About the data
Population figures on this page come from the U.S. Census Bureau. The decennial census provides the official count every ten years, and the Bureau's annual Population Estimates Program updates county totals between censuses. Land area comes from the Census Gazetteer and excludes water. Figures are rounded and may differ slightly from county or school district estimates that use other methods. See our methodology page for details.
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.