Los Fresnos, TX ZIP code
The ZIP code for Los Fresnos, Texas is 78566. It is in Cameron County.
- Population in these ZIPs
- 25,110
- Avg. median income
- $60,200population-weighted
- Typical home value
- $221,800population-weighted
- Metro area
- Brownsville-Harlingen, TX
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Los Fresnos, TX ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 78566 | 25,110 | $60,187 | $221,800 |
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 near Los Fresnos
- Port Isabel 8 mi
- Rio Hondo 11 mi
- South Padre Island 12 mi
- Olmito 12 mi
- Brownsville 13 mi
- San Benito 16 mi
- Harlingen 21 mi
- Combes 23 mi
- Los Indios 23 mi
- La Feria 27 mi
- Lyford 28 mi
- Port Mansfield 28 mi
Frequently asked questions
What is the ZIP code for Los Fresnos, TX?
The ZIP code for Los Fresnos, TX is 78566.
What county is Los Fresnos, Texas in?
Los Fresnos ZIP codes are in Cameron County.