County ProfileTX
Galveston County
Population: 350,682 · 23 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
350,682
People
Median age
38.8
Housing
Total households
140,660
Income
Median household income
$86,105
Housing
Total housing units
161,868
Employment
Employment rate
59.9%
Education
Bachelor’s degree or higher
34.8%
Healthcare
Insured population
86.4%
County details
Local time 03:50:27(CT)| Name | Galveston |
|---|---|
| Total ZIP codes | 23total |
| ZIP codes (by type) | 14 Standard8 PO Box1 Unique |
| Area code | 281, 346, 409, 713, 832 |
| Timezone | Central Time (CT) |
| Coordinates | 29.2339273, -94.8881969 |
| Land area | 379.4 sq miles(982.7 km²) |
Map of Galveston county, Texas with ZIP codes
Cities and Communities in Galveston County
Compare the largest cities in Galveston County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| League City | 114,392 | $124,084 | 2ZIPs |
| Galveston | 53,695 | $55,631 | 6ZIPs |
| Texas City | 51,898 | $68,776 | 3ZIPs |
| Friendswood | 41,213 | $126,508 | 2ZIPs |
| Dickinson | 20,847 | $91,779 | 1ZIPs |
| La Marque | 18,030 | $71,102 | 1ZIPs |
| Santa Fe | 12,735 | $99,190 | 2ZIPs |
| Bacliff | 9,677 | $51,458 | 1ZIPs |
| Hitchcock | 7,301 | $74,157 | 1ZIPs |
| Port Bolivar | 2,304 | — | 1ZIPs |
| Kemah | 1,807 | $85,357 | 1ZIPs |
| High Island | 340 | — | 1ZIPs |
| Gilchrist | 125 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Galveston County
Review the most populated postal areas across Galveston County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 77573 | League City | $122,783 | 95,256 |
| 77546 | Friendswood | $123,756 | 54,670 |
| 77539 | Dickinson | $89,111 | 48,183 |
| 77590 | Texas City | $65,801 | 30,758 |
| 77550 | Galveston | $45,047 | 24,247 |
| 77551 | Galveston | $58,344 | 22,677 |
| 77568 | La Marque | $74,694 | 20,254 |
| 77591 | Texas City | $68,593 | 17,347 |
| 77510 | Santa Fe | $102,651 | 14,357 |
| 77563 | Hitchcock | $75,806 | 9,778 |
| 77518 | Bacliff | $51,458 | 9,689 |
| 77554 | Galveston | $86,490 | 8,961 |
| 77565 | Kemah | $95,268 | 6,966 |
| 77517 | Santa Fe | $88,567 | 6,058 |
| 77650 | Port Bolivar | $61,745 | 2,304 |
| 77623 | High Island | $88,375 | 340 |
| 77617 | Gilchrist | $75,703 | 125 |
| 77555 | Galveston | — | 9 |
| 77549 | Friendswood | — | — |
| 77552 | Galveston | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS