San Juan, TX ZIP code
The ZIP code for San Juan, Texas is 78589. It is in Hidalgo County.
- Population in these ZIPs
- 40,231
- Avg. median income
- $54,300population-weighted
- Typical home value
- $179,500population-weighted
- Metro area
- McAllen-Edinburg-Mission, TX
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San Juan, TX ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 78589 | 40,231 | $54,285 | $179,500 |
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 San Juan
Frequently asked questions
What is the ZIP code for San Juan, TX?
The ZIP code for San Juan, TX is 78589.
What county is San Juan, Texas in?
San Juan ZIP codes are in Hidalgo County.