Geography of Armstrong County
Armstrong County sits at roughly 34.97° N and 101.36° W in the West Texas region of Texas, spanning 914 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 Claude, and the county shares boundaries with 5 neighboring counties.
Population & demographics
With approximately 1,843 residents across 914 square miles, Armstrong County has a population density of about 2.0 people per square mile. Like much of West and South Texas, the county is sparsely populated, with wide-open country between settlements.
County seat: Claude
Claude serves as the seat of government for Armstrong 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
Armstrong County was established in 1876 and was named for One of several Texas pioneer families, although it is not certain which one. It was carved from territory previously part of Bexar County.
Armstrong County, Texas — frequently asked questions
Quick answers about Armstrong 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 Armstrong County, Texas located?+
Armstrong County is located in the West Texas region of Texas at approximately 34.965° N, 101.357° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48011. The interactive map on this page renders the official U.S. Census TIGER boundary for Armstrong County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Armstrong County in square miles?+
Armstrong County covers approximately 914 square miles of land in the West Texas region — a mid-sized Texas county. By land area it ranks 119th 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 Armstrong County, Texas?+
Armstrong County has a population of approximately 1,843 residents. With 914 square miles of land, that works out to a population density of about 2.0 people per square mile, which is sparsely populated for a Texas county. That makes Armstrong County the 233rd most populous of the 254 counties in Texas.
What is the county seat of Armstrong County?+
Claude is the county seat of Armstrong County, Texas, which was organized in 1876 and named for One of several Texas pioneer families, although it is not certain which one. Armstrong County was originally carved out of Bexar County. County government offices, courthouses, and most public records for Armstrong County are located in Claude.
Which Texas counties border Armstrong County?+
Armstrong County shares borders with Swisher, Randall, Briscoe, Carson, and Donley 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 West Texas region.
Where can I download or print a map of Armstrong County?+
A free, print-ready PDF map of Armstrong 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 Armstrong 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 Armstrong County, Texas?+
The full 5-digit U.S. Census FIPS code for Armstrong County is 48011, made up of Texas state code 48 and the 3-digit county code 011. 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.