San Jacinto County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 98th-largest in Texas
The population of San Jacinto County, Texas is 27,983 as of the 2023 American Community Survey, making it the 98th-largest county in Texas. The median household income is $59,526, the median home value is $183,100, and the median age is 45.0.
The population of San Jacinto County has grown 10.7% since 2010 (26,480 → 29,326), a +0.73% annualized rate.
27,983
Population
+0.73%
Annual growth
49
People / sq mi
$59,526
Median Income
$183,100
Median Home Value
San Jacinto County covers 569 sq mi of land at 49.2 people per square mile.
About San Jacinto County, TX
Homeownership is the standout figure in San Jacinto County: 84.2% of homes are owner-occupied, higher than the national rate. San Jacinto County is a county in Texas with a population of 27,983.
Household earnings are middling, with a median of $59,526 — below the US median of $78,538. Poverty sits at 14.5%, above the national 12.4%. Median home value is $183,100, with typical rent around $1,018.
Degree attainment is on the lower side for US counties: 15.8% of adults hold a bachelor’s degree, below the national 35.0%. Just 4.7% of workers are home-based, below the national 14.0%, and the average commute runs about 39 minutes each way.
The ownership rate anchors the housing story in San Jacinto County, and tends to move with the age structure and home-value figures above.
San Jacinto County Population History (2010-2024)
The county of San Jacinto County had a population of 26,480 in 2010 and 29,326 in 2024, a 10.7% growth over 14 years. The peak was 29,326 in 2024. Average annual growth rate: 0.75%.
29,326
Population (2024)
26,480
Population (2010)
29,326
Peak (2024)
0.75%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 26,480 |
| 2011 | 26,789 |
| 2012 | 26,956 |
| 2013 | 26,745 |
| 2014 | 27,066 |
| 2015 | 27,376 |
| 2016 | 27,743 |
| 2017 | 28,233 |
| 2018 | 28,724 |
| 2019 | 28,867 |
| 2020 | 27,538 |
| 2021 | 27,818 |
| 2022 | 28,399 |
| 2023 | 29,126 |
| 2024 | 29,326 |
Race & Ethnicity
| White | 73.2% |
| Black or African American | 8.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
| Two or More Races | 0.0% |
Age & Sex
45.0
Median Age
50.4%
Female
49.6%
Male
21.1%
Age 65+
Age Distribution
Children (under 15): 17.7% · Seniors (65+): 21.1%
Income & Poverty
| Median household income | $59,526$-16,766 vs state |
| Mean household income | $81,516 |
| Per-capita income | $30,234 |
| Poverty rate | 14.5%+4.0% vs state |
| Unemployment rate | 3.6% |
| Employment-to-population | 47.0% |
Top Industries by Employment
The largest employment sector in San Jacinto County is professional & business services, accounting for 19.2% of workers.
How residents commute
0.3%
Drive alone
1.0%
Carpool
79.8%
Public transit
4.7%
Work from home
39.1 min
Avg commute
Housing
$183,100$-77,300 vs state
Median home value
$1,018
Median rent
84.2%
Homeownership rate
14,487
Total housing units
72.3%
Occupied
27.7%
Vacant
15.8%
Renter-occupied
Social & access
80.4%
With health insurance
93.1%
With broadband internet
24.3%
Foreign-born
9.3%
Veterans (18+)
21.8%
With a disability
81.9%
Speak language other than English at home
Education
84.4%
High School+
15.8%
Bachelor's+
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County rankings
Frequently Asked Questions
San Jacinto County, Texas has a population of 27,983 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 98th-largest county in Texas. Population density is 49 people per square mile.
The population of San Jacinto County has grown 10.7% since 2010 (26,480 → 29,326), a +0.73% annualized rate.
The median household income in San Jacinto County, Texas is $59,526, with mean (average) household income of $81,516 and per-capita income of $30,234. 14.5% of residents live below the federal poverty level.
In San Jacinto County, the largest racial and ethnic groups are White (73.2%), Black or African American (8.5%), Hispanic or Latino (2.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in San Jacinto County, Texas is 45.0 years. Residents are 50.4% female and 49.6% male.
The median home value in San Jacinto County is $183,100 and median monthly rent is $1,018. 84.2% of occupied housing units are owner-occupied. The county has 14,487 total housing units, 27.7% of which are vacant.
The largest employment sector in San Jacinto County, Texas is professional, scientific, and management services, employing 19.2% of workers. The unemployment rate is 3.6%.
Houston is among the largest cities associated with San Jacinto County, Texas, with a population of 2,300,419.
San Jacinto County, TX Climate
San Jacinto County, TX has an average annual temperature of 19°C (66°F) and receives about 1244 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
1244
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 9° / 48° | 97 mm |
| February | 11° / 52° | 87 mm |
| March | 15° / 59° | 90 mm |
| April | 19° / 66° | 89 mm |
| May | 23° / 73° | 140 mm |
| June | 26° / 79° | 133 mm |
| July | 28° / 82° | 85 mm |
| August | 28° / 82° | 82 mm |
| September | 25° / 77° | 118 mm |
| October | 20° / 68° | 99 mm |
| November | 14° / 58° | 108 mm |
| December | 11° / 51° | 116 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 San Jacinto County, TX
The most comfortable months to visit San Jacinto 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 San Jacinto County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.