There are 5 zip codes in Washington County, Texas. The most populated is 77833, located in Brenham. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
7783328,884Brenham
778352,912Burton
774262,086Chappell Hill
778802,041Washington
78932486Carmine

Zip Codes in Washington County, Texas by Population (2024)