How many people live in Bastrop County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 114,900 people living in Bastrop County, TX. That makes Bastrop County the 42nd-most populous county in Texas. It is home to 0.36% of people living in the state.
115K
population of Bastrop County, TX (2024)
0.36%
County share of the Texas population (2024)
About 114,900 people lived in Bastrop County, TX in 2024.
Population estimates, 2000–2024
What are Bastrop County, TX’s age demographics?
About 18,100 Bastrop County residents are aged 65 and older in 2024. That represents 15.7% of its population. For comparison, the age group represents 14% of Texas’s population and 18% in the US overall.
Another 29,700 Bastrop County, TX residents, or 25.9% of the population, were children under 18. For comparison, the age group represents 24.6% of Texas’s population and 21.6% in the US overall.
A higher share of Bastrop County, TX's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Bastrop County, TX’s racial and ethnic demographics?
Hispanic residents make up 46.9% of the Bastrop County, TX population, higher than the national share of 20%.
In contrast, Bastrop County’s non-Hispanic white population accounts for 44%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 6.1% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Bastrop County, TX has a higher share of a Hispanic population than Texas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Bastrop County, TX is Bastrop with about 12,700 residents in 2024.
Cities and towns in Bastrop County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Bastrop | 12,720 |
| 2. | Elgin (pt.) | 10,652 |
| 3. | Smithville | 4,335 |
| 4. | Austin (pt.) | |
| 5. | Mustang Ridge (pt.) | |
| 6. | Balance of Bastrop County | 87,224 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
