Geography of Cameron County
Cameron County sits at roughly 26.13° N and 97.53° W in the Central Texas region of Texas, spanning 906 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 Brownsville, and the county shares boundaries with 2 neighboring counties.
Population & demographics
With approximately 433,946 residents across 906 square miles, Cameron County has a population density of about 479.0 people per square mile. Density here reflects a mix of small cities, suburbs, and rural land.
County seat: Brownsville
Brownsville serves as the seat of government for Cameron 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
Cameron County was established in 1848 and was named for Ewen Cameron, a soldier during the Texas Revolution killed during the Black Bean Episode. It was carved from territory previously part of Nueces County and lands ceded by Mexico.
Cameron County, Texas — frequently asked questions
Quick answers about Cameron 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 Cameron County, Texas located?+
Cameron County is located in the Central Texas region of Texas at approximately 26.127° N, 97.531° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48061. The interactive map on this page renders the official U.S. Census TIGER boundary for Cameron County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Cameron County in square miles?+
Cameron County covers approximately 906 square miles of land in the Central Texas region — a mid-sized Texas county. By land area it ranks 133rd 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 Cameron County, Texas?+
Cameron County has a population of approximately 433,946 residents. With 906 square miles of land, that works out to a population density of about 479.0 people per square mile, which is densely populated for a Texas county. That makes Cameron County the 13th most populous of the 254 counties in Texas.
What is the county seat of Cameron County?+
Brownsville is the county seat of Cameron County, Texas, which was organized in 1848 and named for Ewen Cameron, a soldier during the Texas Revolution killed during the Black Bean Episode. Cameron County was originally carved out of Nueces County and lands ceded by Mexico. County government offices, courthouses, and most public records for Cameron County are located in Brownsville.
Which Texas counties border Cameron County?+
Cameron County shares borders with Hidalgo and Willacy 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 Central Texas region.
Where can I download or print a map of Cameron County?+
A free, print-ready PDF map of Cameron 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 Cameron 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 Cameron County, Texas?+
The full 5-digit U.S. Census FIPS code for Cameron County is 48061, made up of Texas state code 48 and the 3-digit county code 061. 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.