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Trinity County
Trinity County
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 for	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.co.trinity.tx.us

Trinity County is a county located in the U.S. state of Texas. As of the 2020 census, the population was 13,602.^[1] Its county seat is Groveton.^[2] The county is named for the Trinity River.

Trinity County is included in the Huntsville, TX Micropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 714 square miles (1,850 km²), of which 694 square miles (1,800 km²) is land and 20 square miles (52 km²) (2.9%) is water.^[3]

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)

Demographics

Historical population
Census	Pop.	%±
1860	4,392	—
1870	4,141	−5.7%
1880	4,915	18.7%
1890	7,648	55.6%
1900	10,976	43.5%
1910	12,768	16.3%
1920	13,623	6.7%
1930	13,637	0.1%
1940	13,705	0.5%
1950	10,040	−26.7%
1960	7,539	−24.9%
1970	7,628	1.2%
1980	9,450	23.9%
1990	11,445	21.1%
2000	13,779	20.4%
2010	14,585	5.8%
2020	13,602	−6.7%
U.S. Decennial Census^[4] 1850–2010^[5] 2010^[6] 2020^[7]

**Trinity County, Texas – Racial and ethnic composition**
*Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.*
Race / Ethnicity (NH = Non-Hispanic)	Pop 2000^[8]	Pop 2010^[6]	Pop 2020^[7]	% 2000	% 2010	% 2020
White alone (NH)	11,289	11,819	10,533	81.93%	81.04%	77.44%
Black or African American alone (NH)	1,635	1,377	1,086	11.87%	9.44%	7.98%
Native American or Alaska Native alone (NH)	50	57	29	0.36%	0.39%	0.21%
Asian alone (NH)	31	36	30	0.22%	0.25%	0.22%
Pacific Islander alone (NH)	0	0	4	0.00%	0.00%	0.03%
Other Race alone (NH)	1	13	33	0.01%	0.09%	0.24%
Mixed Race or Multiracial (NH)	105	166	573	0.76%	1.14%	4.21%
Hispanic or Latino (any race)	668	1,117	1,314	4.85%	7.66%	9.66%
Total	13,779	14,585	13,602	100.00%	100.00%	100.00%

As of the census^[9] of 2000, there were 13,779 people, 5,723 households, and 4,000 families residing in the county. The population density was 20 people per square mile (7.7 people/km²). There were 8,141 housing units at an average density of 12 units per square mile (4.6 units/km²). The racial makeup of the county was 83.75% White, 11.92% Black or African American, 0.41% Native American, 0.23% Asian, 0.01% Pacific Islander, 2.66% from other races, and 1.01% from two or more races. 4.85% of the population were Hispanic or Latino of any race.

There were 5,723 households, out of which 25.70% had children under the age of 18 living with them, 55.10% were married couples living together, 11.20% had a female householder with no husband present, and 30.10% were non-families. 26.80% of all households were made up of individuals, and 14.60% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.85.

In the county, the population was spread out, with 22.90% under the age of 18, 7.00% from 18 to 24, 22.30% from 25 to 44, 25.80% from 45 to 64, and 22.00% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 93.60 males. For every 100 females age 18 and over, there were 90.70 males.

The median income for a household in the county was $27,070, and the median income for a family was $32,304. Males had a median income of $27,518 versus $21,696 for females. The per capita income for the county was $15,472. About 13.20% of families and 17.60% of the population were below the poverty line, including 23.80% of those under age 18 and 13.90% of those age 65 or over.

Education

The following school districts serve Trinity County:

A small portion of Kennard ISD, located in neighboring Houston County, goes into Trinity County.

The county is in the service area of Angelina College.^[10]

Transportation

Major highways

Railroads

Union Pacific operates a freight line running north–south through Trinity County.^[11]

Communities

Cities

Groveton (county seat)
Trinity

Census-designated place

Westwood Shores

Unincorporated communities

Ghost towns

Politics

United States presidential election results for Trinity County, Texas^[12]
Year	Republican		Democratic		Third party(ies)
Year	No.	%	No.	%	No.	%
2024	6,136	83.21%	1,195	16.21%	43	0.58%
2020	5,579	80.41%	1,323	19.07%	36	0.52%
2016	4,737	79.15%	1,154	19.28%	94	1.57%
2012	4,537	72.77%	1,614	25.89%	84	1.35%
2008	4,095	67.39%	1,925	31.68%	57	0.94%
2004	3,985	64.14%	2,204	35.47%	24	0.39%
2000	3,093	58.39%	2,142	40.44%	62	1.17%
1996	2,058	38.76%	2,774	52.24%	478	9.00%
1992	1,988	33.64%	2,784	47.11%	1,137	19.24%
1988	2,448	47.65%	2,657	51.72%	32	0.62%
1984	2,599	54.89%	2,115	44.67%	21	0.44%
1980	1,503	36.95%	2,510	61.70%	55	1.35%
1976	1,042	33.04%	2,100	66.58%	12	0.38%
1972	1,467	63.92%	826	35.99%	2	0.09%
1968	636	22.89%	1,146	41.24%	997	35.88%
1964	763	31.43%	1,654	68.12%	11	0.45%
1960	707	31.23%	1,521	67.18%	36	1.59%
1956	865	43.98%	1,091	55.47%	11	0.56%
1952	958	35.71%	1,725	64.29%	0	0.00%
1948	150	11.41%	905	68.82%	260	19.77%
1944	127	8.20%	1,132	73.13%	289	18.67%
1940	274	13.24%	1,791	86.56%	4	0.19%
1936	151	11.20%	1,196	88.72%	1	0.07%
1932	65	4.11%	1,514	95.70%	3	0.19%
1928	456	39.93%	686	60.07%	0	0.00%
1924	146	8.63%	1,504	88.89%	42	2.48%
1920	125	11.08%	643	57.00%	360	31.91%
1916	156	13.51%	906	78.44%	93	8.05%
1912	112	11.85%	657	69.52%	176	18.62%