There are 9 zip codes in Hardin County, Texas. The most populated is 77657, located in Lumberton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
7765721,084Lumberton
7765617,280Silsbee
776258,274Kountze
776596,305Sour Lake
775851,036Saratoga
77663888Village Mills
77376596Votaw
77519561Batson
77374378Thicket

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