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
Population
City
7560221,343Longview
7567018,466Marshall
7567216,637Marshall
756509,921Hallsville
756405,720Diana
756924,830Waskom
756612,734Karnack
756512,197Harleton
756590Jonesville
756710Marshall
756940Woodlawn

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