Trinity County, Texas
| Trinity County | |
|---|---|
| The Trinity County Courthouse in Groveton | |
| Location within the U.S. state of Texas | |
| Texas's location within the U.S. | |
| Coordinates: 31°05′N 95°07′W / 31.09°N 95.12°W | |
| Country | United States | 
| State | Texas | 
| Founded | 1850 | 
| Named after | Trinity River | 
| Seat | Groveton | 
| Largest city | Trinity | 
| Area | |
|  • Total | 714 sq mi (1,850 km2) | 
| • Land | 694 sq mi (1,800 km2) | 
| • Water | 20 sq mi (50 km2) 2.9% | 
| Population  (2020) | |
|  • Total | 13,602 | 
| • Density | 19/sq mi (7.4/km2) | 
| Time zone | UTC−6 (Central) | 
| • Summer (DST) | UTC−5 (CDT) | 
| Congressional district | 17th | 
| Website | www | 
Trinity County is a county located in the U.S. state of Texas. As of the 2020 census, the population was 13,602. Its county seat is Groveton. The county is named for the Trinity River.
Trinity County is included in the Huntsville, TX Micropolitan Statistical Area.