Geography of Llano County
Llano County sits at roughly 30.71° N and 98.68° W in the Central Texas region of Texas, spanning 935 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 Llano, and the county shares boundaries with 5 neighboring counties.
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
Llano serves as the seat of government for Llano 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
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. Every answer is generated from the official U.S. Census data backing this site.
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?+
A free, print-ready PDF map of Llano 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 Llano 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 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.