Geography of Llano County
Llano County is a rural county of 935 square miles and about 23,353 residents, where farms and ranches fill most of the space between Llano and its smaller communities.
It lies in the Central Texas region at about 30.71° N, 98.68° W and is 93rd in size among Texas's 254 counties. Llano County shares boundaries with 5 other Texas counties, and the closest major cities are Austin (about 64 miles away in a straight line) and San Antonio (about 90 miles).
Central Texas stretches across the Hill Country, the Blackland Prairie and the Cross Timbers. It includes some of the fastest-growing suburbs in the nation along the I-35 corridor, alongside quiet ranching counties with limestone creeks and live-oak savanna.
For a broader view of how Llano County fits within the state, download our free Texas map with counties and cities PDF — a printable, high-resolution reference showing all 254 Texas counties labeled with their county seats.
Population & demographics
With approximately 23,353 residents across 935 square miles, Llano County has a population density of about 25.0 people per square mile. Like much of West and South Texas, the county is sparsely populated, with wide-open country between settlements.
County seat: Llano
If you need an official record from Llano County — a deed, a birth certificate, a court filing — Llano is where it is kept. The town shares its name with the county. Like every Texas county seat, it hosts the courthouse and the main offices of county government. For many residents, a trip to Llano combines county business with groceries, school events and church.
History & name origin
Llano County was established in 1856 and was named for The Llano River (Llano is Spanish for "plains"). It was carved from territory previously part of Bexar County, Gillespie County.
Llano County, Texas — frequently asked questions
Quick answers about Llano County geography, population, county seat, neighboring counties, and how to use the maps on this page. Figures are sourced from the U.S. Census Bureau; answers are written and reviewed by the Texas County Map team.
Where is Llano County, Texas located?+
Llano County is located in the Central Texas region of Texas at approximately 30.706° N, 98.684° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48299. The interactive map on this page renders the official U.S. Census TIGER boundary for Llano County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Llano County in square miles?+
Llano County covers approximately 935 square miles of land in the Central Texas region — a mid-sized Texas county. By land area it ranks 93rd 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 Llano County, Texas?+
Llano County has a population of approximately 23,353 residents. With 935 square miles of land, that works out to a population density of about 25.0 people per square mile, which is rural for a Texas county. That makes Llano County the 107th most populous of the 254 counties in Texas.
What is the county seat of Llano County?+
Llano is the county seat of Llano County, Texas, which was organized in 1856 and named for The Llano River (Llano is Spanish for "plains"). Llano County was originally carved out of Bexar County, Gillespie County. County government offices, courthouses, and most public records for Llano County are located in Llano.
Which Texas counties border Llano County?+
Llano County shares borders with San Saba, Mason, Blanco, Burnet, and Gillespie 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 Llano County?+
Use the "Download PDF" button below the Llano County map on this page to save a letter-size PDF of the county boundary, neighboring counties and incorporated places, drawn from U.S. Census Bureau 2023 boundary files. The "Official TxDOT road map" button downloads the Texas Department of Transportation county road mapbook for Llano County. Both files are stored on this site and download directly. Our free Texas map with counties and cities PDF shows all 254 counties on one sheet.
What is the FIPS code for Llano County, Texas?+
The full 5-digit U.S. Census FIPS code for Llano County is 48299, made up of Texas state code 48 and the 3-digit county code 299. 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.