Baytown, Texas ZIP Codes

ZIP records
3
Sum of listed ZIP population estimates
135,579
Counties represented
2
Population range
30,186–69,038 per ZIP

Population sum includes positive estimates in these ZIP records; it is not an official city population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	77521	Baytown	Harris	69,038
2	77520	Baytown	Harris	36,355
3	77523	Baytown	Chambers	30,186

Counties represented

Chambers County
Harris County

All ZIP Codes in Baytown

ZIP 77520 — Harris County
ZIP 77521 — Harris County
ZIP 77523 — Chambers County

Browse all ZIP data for Texas

Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.