Trinity County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 144th-largest in Texas
The population of Trinity County, Texas is 13,850 as of the 2023 American Community Survey, making it the 144th-largest county in Texas. The median household income is $51,663, the median home value is $110,100, and the median age is 49.8.
The population of Trinity County has declined 1.6% since 2010 (14,728 → 14,489), a -0.12% annualized rate.
13,850
Population
-0.12%
Annual growth
20
People / sq mi
$51,663
Median Income
$110,100
Median Home Value
Trinity County covers 694 sq mi of land at 20.0 people per square mile.
About Trinity County, TX
Trinity County skews on age — the median resident is 49.8, older than the national median. With 13,850 residents, Trinity County is a county in Texas.
Incomes run on the lower side: a median household income of $51,663, below the US median of $78,538. About 11.6% of residents live below the federal poverty level, below the national 12.4%. Property is affordable here, the median home worth $110,100, with typical rent around $823.
Fewer adults hold degrees here than in most comparable places — 15.9%, below the national 35.0%. Remote work is on the lower side here, at 5.2%, below the national 14.0%, and the average commute runs about 37 minutes each way.
The age structure shapes everything downstream in Trinity County — from housing demand to the mix of working-age earners reflected in the income figures above.
Trinity County Population History (2010-2024)
The county of Trinity County had a population of 14,728 in 2010 and 14,489 in 2024, a -1.6% growth over 14 years. The peak was 14,728 in 2010. Average annual growth rate: -0.09%.
14,489
Population (2024)
14,728
Population (2010)
14,728
Peak (2010)
-0.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 14,728 |
| 2011 | 14,687 |
| 2012 | 14,375 |
| 2013 | 14,450 |
| 2014 | 14,303 |
| 2015 | 14,541 |
| 2016 | 14,535 |
| 2017 | 14,680 |
| 2018 | 14,672 |
| 2019 | 14,675 |
| 2020 | 13,638 |
| 2021 | 13,837 |
| 2022 | 13,996 |
| 2023 | 14,269 |
| 2024 | 14,489 |
Race & Ethnicity
| White | 80.0% |
| Black or African American | 9.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Age & Sex
49.8
Median Age
50.8%
Female
49.2%
Male
27.2%
Age 65+
Age Distribution
Children (under 15): 16.2% · Seniors (65+): 27.2%
Income & Poverty
| Median household income | $51,663$-24,629 vs state |
| Mean household income | $73,199 |
| Per-capita income | $31,706 |
| Poverty rate | 11.6%+1.1% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 44.3% |
Top Industries by Employment
The largest employment sector in Trinity County is professional & business services, accounting for 20.8% of workers.
How residents commute
0.0%
Drive alone
1.0%
Carpool
86.5%
Public transit
5.2%
Work from home
37.3 min
Avg commute
Housing
$110,100$-150,300 vs state
Median home value
$823
Median rent
77.6%
Homeownership rate
8,261
Total housing units
73.0%
Occupied
27.0%
Vacant
22.4%
Renter-occupied
Social & access
84.3%
With health insurance
91.5%
With broadband internet
21.7%
Foreign-born
9.5%
Veterans (18+)
23.9%
With a disability
90.8%
Speak language other than English at home
Education
89.0%
High School+
15.9%
Bachelor's+
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Frequently Asked Questions
Trinity County, Texas has a population of 13,850 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 144th-largest county in Texas. Population density is 20 people per square mile.
The population of Trinity County has declined 1.6% since 2010 (14,728 → 14,489), a -0.12% annualized rate.
The median household income in Trinity County, Texas is $51,663, with mean (average) household income of $73,199 and per-capita income of $31,706. 11.6% of residents live below the federal poverty level.
In Trinity County, the largest racial and ethnic groups are White (80.0%), Black or African American (9.1%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Trinity County, Texas is 49.8 years. Residents are 50.8% female and 49.2% male.
The median home value in Trinity County is $110,100 and median monthly rent is $823. 77.6% of occupied housing units are owner-occupied. The county has 8,261 total housing units, 27.0% of which are vacant.
The largest employment sector in Trinity County, Texas is professional, scientific, and management services, employing 20.8% of workers. The unemployment rate is 3.4%.
Houston is among the largest cities associated with Trinity County, Texas, with a population of 2,300,419.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.