77331 ZIP Code — Coldspring, TX

San Jacinto County, Texas

ZIP code 77331 is located in Coldspring, Texas, within San Jacinto County. It covers approximately 171.15 square miles and serves a population of 7,465 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 936.

About ZIP code 77331

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $193,400. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($50,123) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 18% of households reflects economic stress in the area. 52% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (16%), smoking (23%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%; and disability rates above the national average at 23%.

Overall, ZIP code 77331 reflects a community defined by a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

7,465

population

171.15

sq mi land

Standard

ZIP type

Central (CT)

timezone

77331 ZIP code map

Cities in ZIP code 77331

Below are the cities the US Postal Service accepts for ZIP code 77331. Using any city not on this list may result in mail delivery delays.

City	Status
Coldspring	Acceptable
Coldspring	Preferred

Nearby ZIP codes

77359 Oakhurst (11.1 mi) 77364 Pointblank (12.3 mi) 77371 Shepherd (12.4 mi) 77335 Goodrich (12.9 mi) 77328 Cleveland (13.7 mi) 77399 Livingston (14.5 mi) 77360 Onalaska (16.4 mi) 77358 New Waverly (16.8 mi) 77378 Willis (17.4 mi) 77351 Livingston (19 mi)

Demographics updated 06/2026

Population
Total population	7,465
Population density	44 / sq mi
State FIPS	48
County FIPS	407

Geography
Land area	171.15 sq mi
Water area	22.69 sq mi
Latitude	30.6038
Longitude	-95.1475
Timezone	Central (CT)
Area code	936

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.2%	52.8%	39.5%
$50k – $100k	28.7%	28.0%	30.1%
$100k – $200k	17.3%	16.1%	22.6%
Over $200k	3.7%	3.1%	7.8%

Demographics & statistics

7,465

Population

People per sq mi

51.2

Median age

$50,123

Median household income

$31,447

Per capita income

$193,400

Median home value

$925

Median monthly rent

82.5%

Home ownership

15.3%

Poverty rate

8.5%

Unemployment

4,272

Housing units

21.8%

Bachelor's or higher

Age distribution

Male Female

152

Under 5

147

210

5–9

204

205

10–14

199

133

15–19

129

163

20–24

158

323

25–34

314

373

35–44

362

517

45–54

502

265

55–59

258

299

60–64

291

779

65–74

758

270

75–84

262

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,295	17.3%
18 and over	6,170	82.7%
65 and over	2,261	30.3%
Median age	51.2 years

Race & ethnicity

White 80.9%

Black or African American 8.4%

Two or more races 6.8%

Hispanic or Latino 3.2%

Other race 0.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	6,238	80.9%
Black or African American	645	8.4%
Two or more races	526	6.8%
Hispanic or Latino	245	3.2%
Other race	49	0.6%
American Indian / Alaska Native	7	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.2%	52.8%	39.5%
$50k – $100k	28.7%	28.0%	30.1%
$100k – $200k	17.3%	16.1%	22.6%
Over $200k	3.7%	3.1%	7.8%

Under $10k 5.7%

$10k–$15k 6.2%

$15k–$25k 7.3%

$25k–$35k 10.0%

$35k–$50k 20.7%

$50k–$75k 11.3%

$75k–$100k 14.5%

$100k–$150k 10.8%

$150k–$200k 6.5%

$200k+ 7.0%

Range	% of households
Under $10k	5.7%
$10k–$15k	6.2%
$15k–$25k	7.3%
$25k–$35k	10.0%
$35k–$50k	20.7%
$50k–$75k	11.3%
$75k–$100k	14.5%
$100k–$150k	10.8%
$150k–$200k	6.5%
$200k+	7.0%
Median income	$50,123

Housing

Home values

Under $50k 13.0%

$50k–$100k 12.0%

$100k–$150k 16.5%

$150k–$200k 9.6%

$200k–$300k 17.5%

$300k–$500k 16.9%

$500k–$1M 5.7%

$1M+ 8.8%

Housing overview

Metric	Value
Median home value	$193,400
Median rent / month	$925
Owner occupied	82.5%
Renter occupied	17.5%
Vacant	35.5%
Single-family detached	70.3%
Large apartment buildings	0.7%
Mobile homes	21.5%
Median rooms	4.9
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	1.5%
2010–2019	12.8%
2000–2009	17.8%
1990–1999	24.6%
1980–1989	16.2%
1970–1979	15.9%
1960–1969	3.7%
1950–1959	2.1%
1940–1949	1.4%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	7.4%
2 bedrooms	32.8%
3 bedrooms	47.6%
4 bedrooms	8.4%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	31.5%
2 vehicles	41.0%
3 or more	23.0%

Heating fuel

Fuel type	%
Utility gas	3.8%
Electricity	72.0%
Propane / LP gas	17.5%
Wood	6.8%

Households & families

Household type	Count	%
Married-couple family	1,696	54.6%
Cohabiting couple	194	6.2%
Male householder, no spouse	518	16.7%
Female householder, no spouse	698	22.5%
Households with children under 18	511	16.5%
Households with seniors (65+)	1,587	51.1%
Average household size	2.38

Marital status

Status	Male	Female
Never married	22.9%	13.4%
Married	56.8%	59.3%
Separated	0.9%	1.2%
Widowed	2.4%	11.6%
Divorced	17.0%	14.4%

Education

Less than 9th grade 3.6%

Some HS, no diploma 8.7%

HS graduate 36.6%

Some college, no degree 26.3%

Associate's degree 3.0%

Bachelor's degree 10.9%

Graduate / professional 10.9%

Metric	%
HS diploma or higher	87.7%
Bachelor's or higher	21.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	76	5.6%
Kindergarten	79	5.8%
Elementary school	689	50.7%
High school	187	13.8%
College / grad school	329	24.2%

Employment

Industry of employment

Education & healthcare 30.9%

Construction 13.5%

Professional & management 9.8%

Transportation & utilities 8.8%

Manufacturing 7.8%

Other services 6.6%

Agriculture & mining 5.5%

Retail trade 4.9%

Public administration 4.6%

Finance & real estate 3.0%

Wholesale trade 2.3%

Information 1.2%

Arts, food & hospitality 1.0%

Occupation

Category	%
Management, business & arts	33.4%
Service	24.7%
Sales & office	11.9%
Natural resources & construction	16.3%
Production & transportation	13.8%

Employment type

Type	%
Private sector	72.3%
Government	11.2%
Self-employed	16.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.0%
Carpool	10.5%
Public transit	1.7%
Walk	1.7%
Work from home	9.5%
Other means	1.6%
Avg commute (minutes)	38.6

Poverty

All people 15.3%

Under 18 years 29.8%

18 and over 12.3%

Married-couple families 4.8%

Female-led households 29.2%

Income support

Source	% of households
Social Security	51.5%
Retirement income	36.1%
Supplemental Security	7.9%
Cash public assistance	2.6%
Food stamps / SNAP	18.3%

Health indicators

Condition	%
Obesity	39.2%
High blood pressure	44.5%
High cholesterol	40.1%
Diabetes	15.6%
Heart disease	9.7%
Stroke	4.6%
Asthma	10.0%
Arthritis	31.3%
Kidney disease	4.0%
Pulmonary disease	10.9%
Cancer	8.2%

Behavior / access	%
Smoking	23.4%
Binge drinking	15.3%
No physical activity	30.2%
Less than 7 hrs sleep	36.7%
Depression	23.7%
Fair or poor health	22.4%
Poor mental health	15.8%
Poor physical health	14.9%
No health insurance	24.2%
Visited doctor (checkup)	75.1%
Visited dentist	47.7%
Cholesterol screening	90.7%
Teeth loss	17.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	685	11.2%

Disability	%
Any disability	23.4%
Under 18	10.4%
18–64 years	17.0%
65 and over	41.7%

Health insurance coverage

Type	%
Private insurance	53.0%
Public insurance	52.3%
No insurance	10.5%
Uninsured under 19	8.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,166	96.0%
Spanish	58	0.8%
Other Indo-European	52	0.7%
Asian & Pacific Islander	6	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,267	97.3%
Born in same state	7,260	97.3%
Born in different state	5,305	71.1%
Foreign born	7	0.1%
Naturalized citizen	198	2.7%
Not a US citizen	93	47.0%

Ancestry

Ancestry	Count	%
French	930	12.5%
Arab	834	11.2%
Italian	498	6.7%

Ancestry	Count	%
Polish	70	0.9%
English	62	0.8%
Dutch	6	0.1%

Technology access

Metric	% of households
Computer access	41.6%
Internet access	89.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 77331

What city is ZIP code 77331 in?

ZIP code 77331 is primarily assigned to Coldspring, Texas.

What county is ZIP code 77331 in?

ZIP code 77331 falls within San Jacinto County, Texas.

Does ZIP code 77331 have an older population?

30% of residents in ZIP code 77331 are 65 or older, above the national average of ~17%.

Does ZIP code 77331 have a large retiree population?

52% of households in ZIP code 77331 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 77331 mostly owner-occupied?

83% of occupied units in ZIP code 77331 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 77331?

15% of residents in ZIP code 77331 live below the poverty line, above the national average.

What timezone is ZIP code 77331 in?

ZIP code 77331 observes the CST timezone.