Trinity County

Trinity County, Texas

Trinity County, Texas

The Trinity County Courthouse is housed in Groveton, Texas. Photograph by Larry D. Moore.

Trinity County is in the East Texas Timberlands region. The center of the county lies at 31°07' north latitude and 95°05' west longitude. Groveton, the county seat of government, is near the center of the county and ninety air miles north of Houston. The county's name is from the Trinity River, which forms its southeastern boundary. Trinity County covers 692 square miles of rolling to hilly terrain that extends diagonally from the Trinity River northeast to the Neches River. The area is drained by these rivers and by a number of creeks that drain into them; near the southern tip of the county the Trinity has been dammed to form Livingston Reservoir, which provides water and recreation for the area. Altitudes in Trinity County range from 150 to 400 feet above sea level. Most parts of the area have reddish soils with loamy surfaces and clayey subsoils; in the western parts of the county, the soils are light colored with sandy surfaces and clayey subsoils. The county's climate is subtropical and humid, with warm summers and an annual average precipitation of forty-six inches. Temperatures range from an average low of 38° F in January to an average high of 94° F in July; the growing season lasts 260 days.

Adapted from the official Handbook of Texas, a state encyclopedia developed by the Texas State Historical Association (TSHA). It is an authoritative source of trusted historical records.

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County Map of Texas

Trinity County

Highlighted:
  • Trinity County

Currently Exists

Yes

Place type

Trinity County is classified as a County

Altitude Range

131 ft – 410 ft

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Trinity County by the Numbers

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Population Counts

Trinity County
Pop. Year Source
14,651 2019 United States Census Bureau

Civilian Labor Counts

Trinity County
People Year Source
5,101 2019 Texas Workforce Commission

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Per Capita Income (USD) Year Source
$34,514 2019 U.S. Bureau of Economic Analysis

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Property Values

Trinity County
USD ($) Year Source
1,903,378,695 2019 State Property Tax Board

Retail Sales

Trinity County
USD ($) Year Source
75,549,049 2019 State Comptroller of Public Accounts

Wages

Trinity County
USD ($) Year Source
20,213,731 2019 Texas Workforce Commission

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Unemployment Percentage Year Source
9.0 2019 Texas Workforce Commission

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Rainfall (inches) Year Source
49.3 2019 National Oceanic and Atmospheric Administration

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Min. (January Average, °F) Max. (July Average, °F) Year Source
35.1 92.9 2019 National Oceanic and Atmospheric Administration

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Land Area

Trinity County
Area (square miles) Year Source
693.6 2019 United States Census Bureau

Total Area

Trinity County
Area (square miles) Year Source
714.0 2019 United States Census Bureau