There are 11 zip codes in Harrison County, Texas. The most populated is 75602, located in Longview. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
75602Longview21,343
75670Marshall18,466
75672Marshall16,637
75650Hallsville9,921
75640Diana5,720
75692Waskom4,830
75661Karnack2,734
75651Harleton2,197
75659Jonesville0
75671Marshall0
75694Woodlawn0

Harrison County, Texas Zip Codes by Population (2024)