Cameron County, Texas ZIP codes
21 ZIP codes are in Cameron County, plus 1 that cross in from neighboring counties. It's part of the Brownsville-Harlingen, TX metro area.
- ZIP codes
- 21
- Population in these ZIPs
- 425,684
- Avg. median income
- $54,100population-weighted
- Cities & towns
- 14
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Cameron County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 78520 | Brownsville | 64,740 | $50,116 | $189,000 |
| 78521 | Brownsville | 87,380 | $44,509 | $169,000 |
| 78522 PO Box | Brownsville | — | — | — |
| 78523 PO Box | Brownsville | — | — | — |
| 78526 | Brownsville | 60,012 | $70,565 | $235,300 |
| 78535 | Combes | 425 | $39,000 | $107,300 |
| 78550 | Harlingen | 53,335 | $49,007 | $176,400 |
| 78551 PO Box | Harlingen | — | — | — |
| 78552 | Harlingen | 42,332 | $69,811 | $222,400 |
| 78553 PO Box | Harlingen | — | — | — |
| 78559 | La Feria | 12,169 | $49,383 | $179,900 |
| 78566 | Los Fresnos | 25,110 | $60,187 | $221,800 |
| 78567 | Los Indios | 323 | — | $56,700 |
| 78568 PO Box | Lozano | — | — | — |
| 78575 | Olmito | 4,575 | $71,765 | $289,700 |
| 78578 | Port Isabel | 10,016 | $51,880 | $263,200 |
| 78583 | Rio Hondo | 5,236 | $51,453 | $203,700 |
| 78586 | San Benito | 50,964 | $45,575 | $159,500 |
| 78592 | Santa Maria | 677 | — | $76,700 |
| 78593 | Santa Rosa | 5,455 | $48,649 | $150,800 |
| 78597 | South Padre Island | 2,935 | $68,421 | $443,400 |
ZIP codes partly in Cameron County
These ZIP codes are mostly in a neighboring county but cover part of Cameron County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 78569 | Lyford | Willacy County | 4,342 | $58,950 | $165,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Cameron County
Nearby counties
Frequently asked questions
How many ZIP codes are in Cameron County, Texas?
21 ZIP codes are mainly in Cameron County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Cameron County?
ZIP codes in Cameron County use the city names Brownsville, Combes, Harlingen, La Feria, Los Fresnos, Los Indios, Lozano, Olmito, Port Isabel, Rio Hondo, San Benito and Santa Maria and others.
What metro area is Cameron County in?
Cameron County is part of the Brownsville-Harlingen, TX metropolitan statistical area.