ZIP Code 77331
standardSource:
Coldspring · San Jacinto County · Texas
- Population
- 6,824
- Median income
- $62,321
- Median home value
- $246,200
- Bachelor's or higher
- 20.0%
- Land area
- 396.7 sq mi
17/sq mi
▼ 18% vs US
higher than 34% of US ZIPs
▼ 11% vs US
higher than 57% of US ZIPs
Median age 50.1
Chicago
ZIP code 77331 in Coldspring, Texas has a population of 6,824. The median household income is $62,321, which is 18% below the national average. Median home value is $246,200, 11% below the US average. 20.0% of residents hold a bachelor's degree or higher.
ZIP code 77331 is classified by USPS as a standard delivery area and covers roughly 396.7 square miles in Coldspring, San Jacinto County, Texas. The area is home to 6,824 residents, producing a population density of 17 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 77331 against Texas and the nation.
On the economic side, the median household income for ZIP 77331 sits at $62,321 (18% below the Texas average), while per-capita income is $33,706. The poverty rate stands at 17.9% and the unemployment rate at 8.5%. On housing, the median home value is $246,200 (1% below the state average) with median rent at $729 per month, and 86.9% of occupied units are owner-occupied, a direct signal of whether 77331 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 20.0% of adults hold a bachelor's degree or higher, the median age is 50.1, and the average commute is 41 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing San Jacinto County, so you can benchmark 77331 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 77331
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 77331.
- Professional, scientific, and technical services
Professional, scientific, and technical services
15 establishments
- Construction
Construction
12 establishments
- Retail trade
Retail trade
12 establishments
- Health care and social assistance
Health care and social assistance
10 establishments
- Other services (except public administration)
Other services (except public administration)
8 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 77331, Coldspring, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
6,824
Population
396.7
Area (sq mi)
17
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 77331?
50.1
Median Age
49.2%
Male
50.8%
Female
3.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$62,321
Median Household Income
-18% vs state
$33,706
Per Capita Income
17.9%
Poverty Rate
8.5%
Unemployment Rate
40.5 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
4,972
Total Housing Units
3,188
Occupied Units
1,784
Vacant Units
2.34
Avg Household Size
Occupancy Type
$246,200
Median Home Value
-1% vs state
$729
Median Rent
1993
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+9.8%
YoY Change (2022)
339
HPI Index (2000 = 100)
+239%
Total Change Since 2000
Home values in ZIP 77331 have increased 9.8% over the past year (2022). Since 2000, this ZIP has seen +239% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2018 | +11.9% | 263 |
| 2019 | -2.0% | 257 |
| 2020 | +6.2% | 273 |
| 2021 | +13.0% | 309 |
| 2022 | +9.8% | 339 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 81 business establishments in ZIP 77331, employing approximately 532 people with a combined annual payroll of $23,078,000.
81
Businesses
532
Employees
$23.1M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 15 | 18.5% |
| Construction | 12 | 14.8% |
| Retail trade | 12 | 14.8% |
| Health care and social assistance | 10 | 12.3% |
| Other services (except public administration) | 8 | 9.9% |
| Accommodation and food services | 7 | 8.6% |
| Finance and insurance | 4 | 4.9% |
| Wholesale trade | 3 | 3.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 77331 vs 77364 →
More ZIP Codes in San Jacinto County
Related Areas
Frequently Asked Questions
What county is ZIP code 77331 in? ▼
What is the population of ZIP code 77331? ▼
What is the median household income in ZIP 77331? ▼
What is the average home value in ZIP 77331? ▼
What is the demographic makeup of ZIP 77331? ▼
How many businesses are in ZIP code 77331? ▼
What are the main industries in ZIP code 77331? ▼
How have home values changed in ZIP code 77331? ▼
What is the education level in ZIP code 77331? ▼
What is the average commute time in ZIP 77331? ▼
What percentage of residents own vs. rent in ZIP 77331? ▼
What is the poverty rate in ZIP code 77331? ▼
ZIP Code Research Guides
Official Data Resources for Coldspring, TX
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.