Mathis, Texas
Mathis is a city in San Patricio County in the Coastal Bend of South Texas, about 32 miles northwest of Corpus Christi. It sits near Lake Corpus Christi, a reservoir on the Nueces River that draws anglers and boaters, and a nearby state park lies along the lake's wooded shoreline. The surrounding country is brush-and-ranch land typical of the region between the coast and the South Texas plains.
Place essentials
Official Census snapshot- Census place type
- City
- July 2025 population
- 4,312
- Change from 2020 base
- -0.5%
- Land area
- 3.3 sq. mi.
- County footprint
- San Patricio County
Place type, county footprint, and land area use the Census Bureau's January 1, 2025 geography. Population uses Vintage 2025 estimates through July 1, 2025; change compares that estimate with the April 1, 2020 estimates base. Geography file | Population file
Property here runs through the appraisal district and tax office for San Patricio County. The homestead exemption, appraisal cap, protests, and any MUD, PID, or special districts all sit at the parcel level.
Official routes
Use the office for the parcel address; a mailing city is not always the governing city.
County context
What to know around Mathis
County lines carry much of the property, land, water, and outdoors context around Mathis.
County History
San Patricio County Was Founded by an Irish Catholic Colony
The county takes its name from an 1829 Irish Catholic colony called San Patricio de Hibernia, making it one of the few Texas counties with Irish roots.
Property Tax
Two Offices Handle Your Property Taxes
San Patricio County splits property taxes between two offices: one decides what your property is worth, and one collects the bill.
County Seat
Sinton Became the County Seat After the Railroad Arrived
Sinton was founded in the 1880s along a new railroad line and became the county seat in 1894, replacing the original settlement of San Patricio.
Nearby
Places near Mathis
Nearby counties
Local notes for nearby counties
Next steps for Mathis
Compare nearby places
Put Census population, land area, county footprints, and official office routes side by side.
Open comparison ->Estimate property tax
Model school and local rates, the homestead exemption, and the appraisal cap.
Open estimator ->Look up another place
Every Texas town and all 254 counties.
Find a place ->