Bastrop County, Texas
Updated · Data: U.S. Census Bureau
Bastrop County, Texas has its county seat in Bastrop and FIPS code 48021. About 102,370 people live here, the 42nd most populated of the 254 Texas counties.
| County seat | Bastrop |
|---|---|
| FIPS code | 48021 (Texas 48 + county 021) · all Texas FIPS codes |
| Population | 102,370 (42nd of 254) |
| Land area | 888.2 sq mi (163rd largest; + 7.3 sq mi water) |
| People per sq mi | 115.3 |
| Time zone | Central time (America/Chicago) |
| Median home value | $269,500 |
| Median property tax paid | $4,077 a year (about 1.51% of the median home value: our calculation, not an official rate) |
| Official website | www.bastropcounty.gov |
What counties border Bastrop County?
Bastrop County shares a border with 5 counties:
What cities and towns are in Bastrop County?
9 places with 1,000+ people have residents here; together they hold about 46% of the county's population. The rest live in smaller communities and rural areas.
| Place | Population | Residents in this county |
|---|---|---|
| Elgin | 10,996 | 82.5% (also in other counties) |
| Bastrop | 10,484 | 100.0% |
| Camp Swift (CDP) | 7,505 | 100.0% |
| Wyldwood (CDP) | 5,436 | 100.0% |
| Smithville | 4,032 | 100.0% |
| Cedar Creek (CDP) | 4,026 | 100.0% |
| Circle D-KC Estates (CDP) | 3,321 | 100.0% |
| Rosanky (CDP) | 1,609 | 100.0% |
| McDade (CDP) | 1,380 | 100.0% |
CDP = census-designated place: a named community with no city government.
What ZIP codes are in Bastrop County?
15 ZIP code areas with residents touch Bastrop County; the ones marked * cross into another county.
Mailing names in Bastrop County that are not cities
These names appear in addresses here but are not Census places: Del Valle, Dale.
Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.
Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.
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