Geography of Moore County
Moore County is a rural county of 900 square miles and about 21,891 residents, where farms and ranches fill most of the space between Dumas and its smaller communities.
It lies in the West Texas region at about 35.84° N, 101.89° W and is 153rd in size among Texas's 254 counties. Moore County shares boundaries with 6 other Texas counties, and the closest major cities are Amarillo (about 43 miles away in a straight line) and Lubbock (about 156 miles).
West Texas is a land of long horizons: rolling plains, mesas and desert grassland where cotton farms, cattle ranches and the oilfields of the Permian Basin are the main sources of work. Distances between towns are measured in hours, not minutes.
For a broader view of how Moore 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 21,891 residents across 900 square miles, Moore County has a population density of about 24.3 people per square mile. Like much of West and South Texas, the county is sparsely populated, with wide-open country between settlements.
County seat: Dumas
County government for Moore County is based in Dumas. The commissioners court, made up of a county judge and four precinct commissioners, meets here and sets the county budget, roads policy and tax rate. For many residents, a trip to Dumas combines county business with groceries, school events and church.
History & name origin
Moore County was established in 1876 and was named for Edwin Ward Moore (1810–1865), commodore of the Texan Navy. It was carved from territory previously part of Bexar County.
Moore County, Texas — frequently asked questions
Quick answers about Moore 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 Moore County, Texas located?+
Moore County is located in the West Texas region of Texas at approximately 35.838° N, 101.893° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48341. The interactive map on this page renders the official U.S. Census TIGER boundary for Moore County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Moore County in square miles?+
Moore County covers approximately 900 square miles of land in the West Texas region — a mid-sized Texas county. By land area it ranks 153rd 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 Moore County, Texas?+
Moore County has a population of approximately 21,891 residents. With 900 square miles of land, that works out to a population density of about 24.3 people per square mile, which is rural for a Texas county. That makes Moore County the 113th most populous of the 254 counties in Texas.
What is the county seat of Moore County?+
Dumas is the county seat of Moore County, Texas, which was organized in 1876 and named for Edwin Ward Moore (1810–1865), commodore of the Texan Navy. Moore County was originally carved out of Bexar County. County government offices, courthouses, and most public records for Moore County are located in Dumas.
Which Texas counties border Moore County?+
Moore County shares borders with Hutchinson, Hartley, Sherman, Oldham, Potter, and Carson counties. These 6 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 Moore County?+
Use the "Download PDF" button below the Moore 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 Moore 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 Moore County, Texas?+
The full 5-digit U.S. Census FIPS code for Moore County is 48341, made up of Texas state code 48 and the 3-digit county code 341. 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.