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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County rankings
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.
Trinity County, TX Climate
Trinity County, TX has an average annual temperature of 19°C (66°F) and receives about 1124 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
19°C
Avg Temp
1124
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 9° / 48° | 91 mm |
| February | 11° / 52° | 81 mm |
| March | 15° / 59° | 87 mm |
| April | 19° / 66° | 89 mm |
| May | 23° / 73° | 120 mm |
| June | 26° / 79° | 108 mm |
| July | 28° / 83° | 79 mm |
| August | 28° / 82° | 72 mm |
| September | 25° / 77° | 105 mm |
| October | 20° / 67° | 89 mm |
| November | 14° / 57° | 100 mm |
| December | 10° / 50° | 103 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Trinity County, TX
The most comfortable months to visit Trinity County, TX are typically October, April and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near 3°C low). May is usually the wettest month.
Where to stay near Trinity County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.