Bayside, TX ZIP code
The ZIP code for Bayside, Texas is 78340. It is in Refugio County.
- Population in these ZIPs
- 455
- Avg. median income
- $54,000population-weighted
- Typical home value
- $162,900population-weighted
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Bayside, TX ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 78340 | 455 | $54,000 | $162,900 |
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 Bayside
Frequently asked questions
What is the ZIP code for Bayside, TX?
The ZIP code for Bayside, TX is 78340.
What county is Bayside, Texas in?
Bayside ZIP codes are in Refugio County.