Geography of Presidio County
Presidio County sits at roughly 30.00° N and 104.24° W in the Big Bend region of Texas, spanning 3,856 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 Marfa, and the county shares boundaries with 2 neighboring counties.
Population & demographics
With approximately 5,433 residents across 3,856 square miles, Presidio County has a population density of about 1.4 people per square mile. Like much of West and South Texas, the county is sparsely populated, with wide-open country between settlements.
County seat: Marfa
Marfa serves as the seat of government for Presidio 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
Presidio County was established in 1850 and was named for Presidio del Norte, an eighteenth-century fort and settlement on the south side of the Rio Grande. It was carved from territory previously part of Santa Fe County.
Presidio County, Texas — frequently asked questions
Quick answers about Presidio 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 Presidio County, Texas located?+
Presidio County is located in the Big Bend region of Texas at approximately 30.000° N, 104.241° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48377. The interactive map on this page renders the official U.S. Census TIGER boundary for Presidio County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Presidio County in square miles?+
Presidio County covers approximately 3,856 square miles of land in the Big Bend region — a large county by Texas standards. By land area it ranks 4th 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 Presidio County, Texas?+
Presidio County has a population of approximately 5,433 residents. With 3,856 square miles of land, that works out to a population density of about 1.4 people per square mile, which is sparsely populated for a Texas county. That makes Presidio County the 196th most populous of the 254 counties in Texas.
What is the county seat of Presidio County?+
Marfa is the county seat of Presidio County, Texas, which was organized in 1850 and named for Presidio del Norte, an eighteenth-century fort and settlement on the south side of the Rio Grande. Presidio County was originally carved out of Santa Fe County. County government offices, courthouses, and most public records for Presidio County are located in Marfa.
Which Texas counties border Presidio County?+
Presidio County shares borders with Jeff Davis and Brewster counties. These 2 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 Big Bend region.
Where can I download or print a map of Presidio County?+
A free, print-ready PDF map of Presidio 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 Presidio 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 Presidio County, Texas?+
The full 5-digit U.S. Census FIPS code for Presidio County is 48377, made up of Texas state code 48 and the 3-digit county code 377. 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.