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City ZIP codes · Texas

Brownsville, TX ZIP Codes

5 ZIP codes use the postal name Brownsville, Texas (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 2 for PO boxes or a single organization. Median household income runs from $44,509 in 78521 to $70,565 in 78526, 1.6 times as much (Census Bureau, ACS 2020-2024). Brownsville's most populous ZIP code is 78521, with 87,380 people (ACS 2020-2024); 28% of its land is in the city of Brownsville.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Brownsville's ZIP codes?

78520: $50k median household income78521: $45k median household income78526: $71k median household income78521785207852678520: $50k median household income78521: $45k median household income78526: $71k median household income78521785207852678520: $50k median household income78521: $45k median household income78526: $71k median household income785217852078526
The 3 residential ZIP codes named Brownsville, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Brownsville's ZIP codes?

The highest median household income is in 78526 ($70,565), the lowest in 78521 ($44,509). Home values run from $99,700 in 78521 to $185,000 in 78526.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Brownsville

Residential ZIP codes with the postal name Brownsville, TX, largest first (ACS 2020-2024); sort by any column
County
78521 Cameron County 87,380 933 $45k $100k
78520 Cameron County 64,740 1,628 $50k $146k
78526 Cameron County 60,012 1,266 $71k $185k

Download the 5 ZIP codes as CSV

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 Brownsville

2 ZIP codes named Brownsville have 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.

Brownsville, TX: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
78522Cameron County
78523Cameron County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Brownsville's ZIP codes reach?

Brownsville's residential ZIP codes lie in Cameron County.

Which places do Brownsville's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Brownsville's residential ZIP codes cover Brownsville itself and 5 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Cameron Park census-designated 78526
  • Reid Hope King census-designated 78521
  • San Pedro census-designated 78520
  • South Point census-designated 78521
  • Villa Pancho census-designated 78521

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Brownsville'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 Brownsville starts with 785.

Three-digit prefixes of Brownsville's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Brownsville's
PrefixSectional centerHereAll codes
785 McAllen, TX (SCF 785) 5 68

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.