City ZIP codes · Texas
Texas City, TX ZIP Codes
3 ZIP codes use the postal name Texas City, Texas (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $65,801 in 77590 to $68,593 in 77591 (Census Bureau, ACS 2020-2024). Texas City's most populous ZIP code is 77590, with 31,642 people (ACS 2020-2024); 98% of its land is in the city of Texas City.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Texas City's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Texas City's ZIP codes?
The highest median household income is in 77591 ($68,593), the lowest in 77590 ($65,801). Home values run from $188,900 in 77590 to $222,600 in 77591.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Texas City
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Texas City
1 ZIP code named Texas City has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 77592 | Galveston County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Texas City's ZIP codes reach?
Texas City's residential ZIP codes lie in Galveston County.
Which first three digits do Texas City's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Texas City starts with 775.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 775 | North Houston, TX (SCF 773) | 3 | 71 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.