There are 10 zip codes in Harrison County, Texas. The most populated is 75670, located in Marshall. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
7567018,466Marshall
7567216,637Marshall
756509,921Hallsville
756924,830Waskom
756612,734Karnack
756512,197Harleton
7564271Elysian Fields
75659Jonesville
75671Marshall
75694Woodlawn
showing: 10 rows

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