Sinton, Texas
Sinton is the seat of San Patricio County, on the coastal plain of the Texas Coastal Bend about 18 miles north of Corpus Christi. The country around it is flat farmland and grazing land near the Aransas River, cotton and grain territory in the reach between the coast and the brush country. Just northeast of town lies the Welder Wildlife Refuge, a large private preserve devoted to wildlife research and conservation.
Place essentials
Official Census snapshot- Census place type
- City
- July 2025 population
- 5,966
- Change from 2020 base
- +7.6%
- Land area
- 5.1 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 Sinton
County lines carry much of the property, land, water, and outdoors context around Sinton.
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
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