Baytown, TX ZIP codes
Baytown, Texas has 4 ZIP codes, including 1 PO Box ZIP. They are in Harris County and Chambers County.
- Population in these ZIPs
- 135,579
- Avg. median income
- $79,700population-weighted
- Typical home value
- $257,800population-weighted
- Metro area
- Houston-Pasadena-The Woodlands, TX
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Baytown, TX ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 77520 | Harris County | 36,355 | $54,278 | $168,700 |
| 77521 | Harris County | 69,038 | $73,629 | $252,800 |
| 77522 PO Box | Harris County | — | — | — |
| 77523 | Chambers County | 30,186 | $124,188 | $376,700 |
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 near Baytown
- Highlands 8 mi
- La Porte 8 mi
- Channelview 10 mi
- Deer Park 11 mi
- Crosby 13 mi
- Seabrook 14 mi
- Pasadena 14 mi
- Wallisville 16 mi
- Kemah 16 mi
- Galena Park 17 mi
- Bacliff 18 mi
- South Houston 18 mi
Frequently asked questions
What county is Baytown, Texas in?
Baytown ZIP codes are in Harris County and Chambers County.
Which Baytown ZIP codes are PO Boxes?
77522 is a PO Box or single-organization ZIP code; it has no residential delivery area.