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.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which (2.9%) are covered by water.
Adjacent counties
- Angelina County (northeast)
- Polk County (southeast)
- San Jacinto County (south)
- Walker County (southwest)
- Houston County (northwest)
National protected area
- Davy Crockett National Forest (part)