Rio Grande City, TX ZIP code
The ZIP code for Rio Grande City, Texas is 78582. It is in Starr County.
- Population in these ZIPs
- 44,741
- Avg. median income
- $42,600population-weighted
- Typical home value
- $150,000population-weighted
- Metro area
- Rio Grande City-Roma, TX
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Rio Grande City, TX ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 78582 | 44,741 | $42,626 | $150,000 |
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 Rio Grande City
- Santa Elena 14 mi
- Roma 16 mi
- Garciasville 16 mi
- Grulla 18 mi
- Sullivan City 19 mi
- Delmita 20 mi
- Penitas 23 mi
- Los Ebanos 23 mi
- La Joya 24 mi
- Falcon Heights 25 mi
- San Isidro 26 mi
- Lopeno 26 mi
Frequently asked questions
What is the ZIP code for Rio Grande City, TX?
The ZIP code for Rio Grande City, TX is 78582.
What county is Rio Grande City, Texas in?
Rio Grande City ZIP codes are in Starr County.