Zip Code 77555 — Galveston, TX
77555 is a ZIP Code associated with Galveston, TX, located within Galveston. 77555 ranks #18 out of 18 ZIP codes in Galveston County by population (and #1924 out of 1,990 in TX). The area supports an estimated population of 2 residents across Data Pending housing units, with a population density of 33.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (29.310820, -94.776410)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 77555 |
| Primary City | Galveston |
| State / Province | TX |
| County | Galveston |
| Total Population | 2 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 33.9 people/sq mi |
| Timezone | America/Chicago |
How 77555 Compares
| Metric | ZIP 77555 | Galveston County | TX State Average |
|---|
| Population | 2 | 379,967 (Total) | 30,188,035 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 33.9 /sq mi | -- | -- |
| County Pop Rank | #18 of 18 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →