Trinity County, Texas

Trinity County, Texas
The Trinity County Courthouse in Groveton
The Trinity County Courthouse in Groveton
Map of Texas highlighting Trinity County
Location within the U.S. state of Texas
Coordinates: 31°05′N 95°07′W / 31.09°N 95.12°W / 31.09; -95.12
Country United States
State Texas
Founded1850
Named forTrinity River
SeatGroveton
Largest cityTrinity
Area
 • Total
714 sq mi (1,850 km2)
 • Land694 sq mi (1,800 km2)
 • Water20 sq mi (52 km2)  2.9%
Population
 (2020)
 • Total
13,602
 • Estimate 
(2025)
14,384 Increase
 • Density19.6/sq mi (7.57/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.co.trinity.tx.us Edit this at Wikidata
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Trinity County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 13,602. Its county seat is Groveton. The county is named for the Trinity River. Trinity County is included in the Huntsville, Texas micropolitan statistical area.