City ZIP codes · Texas
Rockwall, TX ZIP Codes
2 ZIP codes use the postal name Rockwall, Texas (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $129,484 in 75087 to $135,742 in 75032 (Census Bureau, ACS 2020-2024). Rockwall's most populous ZIP code is 75087, with 44,326 people (ACS 2020-2024); 54% of its land is in the city of Rockwall.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Rockwall's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Rockwall's ZIP codes?
The highest median household income is in 75032 ($135,742), the lowest in 75087 ($129,484). Home values run from $435,400 in 75087 to $491,300 in 75032.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Rockwall
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).
Which counties do Rockwall's ZIP codes reach?
Rockwall's residential ZIP codes lie in 2 counties: Rockwall County (2 ZIP codes mainly there), Collin County (part of a ZIP code).
Which places do Rockwall's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Rockwall's residential ZIP codes cover Rockwall itself and 4 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Rockwall'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 Rockwall starts with 750.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 750 | North Texas, TX (SCF 750) | 2 | 84 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.