Geography of Bastrop County
Bastrop County sits at roughly 30.10° N and 97.31° W in the Central Texas region of Texas, spanning 888 square miles of terrain that includes the landscape characteristic of the area — from open ranchland and farmland to small-town main streets. The county's centroid is near Bastrop, and the county shares boundaries with 5 neighboring counties.
Population & demographics
With approximately 118,908 residents across 888 square miles, Bastrop County has a population density of about 133.9 people per square mile. Density here reflects a mix of small cities, suburbs, and rural land.
County seat: Bastrop
Bastrop serves as the seat of government for Bastrop County. The county courthouse, commissioners court, district clerk, and primary public records are located here. As with all 254 Texas counties, the county seat is the anchor of civic life and the principal address for elections, permits, and court filings.
History & name origin
Bastrop County was established in 1836 and was named for Baron Felipe Enrique Neri de Bastrop, the Dutch settler who provided essential help to Stephen F. Austin in obtaining his original land grants. It was carved from territory previously part of One of the original 23 counties.
Bastrop County, Texas — frequently asked questions
Quick answers about Bastrop County geography, population, county seat, neighboring counties, and how to use the maps on this page. Every answer is generated from the official U.S. Census data backing this site.
Where is Bastrop County, Texas located?+
Bastrop County is located in the Central Texas region of Texas at approximately 30.104° N, 97.312° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48021. The interactive map on this page renders the official U.S. Census TIGER boundary for Bastrop County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Bastrop County in square miles?+
Bastrop County covers approximately 888 square miles of land in the Central Texas region — a mid-sized Texas county. By land area it ranks 166th out of 254 Texas counties. The full bounding box of the county is rendered to scale on the interactive map and matches the U.S. Census TIGER 2023 polygon.
What is the population of Bastrop County, Texas?+
Bastrop County has a population of approximately 118,908 residents. With 888 square miles of land, that works out to a population density of about 133.9 people per square mile, which is moderately populated for a Texas county. That makes Bastrop County the 42nd most populous of the 254 counties in Texas.
What is the county seat of Bastrop County?+
Bastrop is the county seat of Bastrop County, Texas, which was organized in 1836 and named for Baron Felipe Enrique Neri de Bastrop, the Dutch settler who provided essential help to Stephen F. Austin in obtaining his original land grants. Bastrop County was originally carved out of One of the original 23 counties. County government offices, courthouses, and most public records for Bastrop County are located in Bastrop.
Which Texas counties border Bastrop County?+
Bastrop County shares borders with Lee, Travis, Williamson, Caldwell, and Fayette counties. These 5 neighboring counties are highlighted on the schematic boundary map and linked at the bottom of this page so you can quickly compare population, area, and county seats across the Central Texas region.
Where can I download or print a map of Bastrop County?+
A free, print-ready PDF map of Bastrop County is available from the "Download PDF" button at the top of this page. The printable layout uses authentic U.S. Census TIGER boundary geometry for Bastrop County, includes a Texas locator inset, and is sized for standard 8.5" × 11" Letter paper. For interactive use, the live Leaflet map on this page supports OpenStreetMap, Esri satellite, Esri topographic, and Carto light basemaps with zoom, scale bar, and fullscreen.
What is the FIPS code for Bastrop County, Texas?+
The full 5-digit U.S. Census FIPS code for Bastrop County is 48021, made up of Texas state code 48 and the 3-digit county code 021. This is the same FIPS code used by the U.S. Census Bureau TIGER/Line files, the American Community Survey, and most federal datasets that key on county.