East Texas · Seat: Groveton

Trinity County, Texas Population

Trinity County has a population of approximately 14,384 residents, ranking #143 of 254 Texas counties. The county covers 693 sq mi, giving it a population density of about 20.8 people per square mile — a rural profile within the East Texas region.

Population
14,384
Statewide rank
#143 / 254
Density /sq mi
20.8
Land area
693 sq mi

Population overview

Trinity County is home to roughly 14,384 people, making up about 0.05% of the total population of Texas. Within the East Texas region, it ranks #33 of 44 counties by population. The combination of 693 square miles of land and 14,384 residents yields a density of about 20.8 people per square mile — characteristic of rural and frontier Texas, with long distances between settlements and large stretches of working ranchland.

How Trinity County compares

Compared with the other 253 Texas counties, Trinity County sits in the lower half of the population distribution. It represents the broad middle of Texas — small to mid-sized counties with a clear county seat and a regionally rooted economy.

ComparisonPopulationvs Trinity
Trinity County14,384
East Texas region average64,981+352%
Texas county median18,916+32%
Largest in Texas (Harris)5,045,026+34974%

Neighboring county populations

Trinity County shares borders with 5 counties. Comparing population across an adjacent corridor often reveals commuting patterns, school-district pull, and economic gravity.

CountySeatPopulationDensity
Angelina CountyLufkin88,154109.9
Walker CountyHuntsville83,842106.4
Polk CountyLivingston53,43450.6
San Jacinto CountyColdspring29,48851.6
Houston CountyCrockett22,31618.1

Frequently asked questions

What is the population of Trinity County, Texas?+

Trinity County has an estimated population of 14,384 residents, based on the most recent U.S. Census data.

What is the population density of Trinity County?+

Trinity County has a population density of approximately 20.8 people per square mile across its 693 sq mi of land area — characteristic of a rural county.

Where does Trinity County rank among Texas counties by population?+

Trinity County ranks #143 out of 254 Texas counties by total population, accounting for roughly 0.05% of the state's total population.

What is the most populous county near Trinity County?+

Among the 5 counties bordering Trinity, Angelina County is the most populous with about 88,154 residents.

How is Trinity County's population measured?+

Population figures are sourced from the U.S. Census Bureau — the decennial census and annual American Community Survey (ACS) population estimates. See our methodology for full sourcing.