ZIP code · Galveston · Texas · United States
ZIP code 77550 — Galveston
ZIP code 77550 serves Galveston, Texas.
- Postal code
- 77550Single source Value from one source, not cross-checked.
- City
- Galveston
- County
- Galveston FIPS 48167
- State
- Texas
- Country
- United States
- Coordinates
- 29.2983, -94.7930 — precision precise (locality)
View on OpenStreetMap - Population
- 23,542 (ZCTA, ACS 5-year)
- Population density
- 3,114 / sq mi
- Land area
- 7.6 sq mi (19.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $46,262
- Per-capita income
- $35,160
- Median age
- 39.1
- Households
- 11,604
- Housing units
- 15,811
- Median home value
- $283,800
- Median gross rent
- $1,182 / month
- Congressional district
- TX-14 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 409Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 77550 with another ZIP · ZIPs within 25 miles · distance from 77550
Map of ZIP code 77550
Climate — monthly normals
Warmest month Aug (avg high 91°F), coldest Jan (avg low 48°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 65 | 70 | 76 | 83 | 88 | 90 | 91 | 89 | 81 | 72 | 65 |
| Avg low °F | 48 | 51 | 58 | 63 | 72 | 77 | 80 | 79 | 76 | 68 | 58 | 50 |
NOAA 1991–2020 climate normals from the nearest station: GALVESTON (0.4 mi) · NOAA NCEI
Places in ZIP 77550
- 21 schools
- 2 colleges & universities
- 7 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 57 restaurants & cafés
- 11 bars & pubs
- 22 parks
- 14 playgrounds
- 2 gyms & sports centres
- 3 libraries
- 1 post offices
- 64 places of worship
- 3 banks
- 7 gas stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page