There are 6 zip codes in Warren County, Indiana. The most populated is 47993, located in Williamsport. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
47993Williamsport3,563
47970Otterbein2,195
47991West Lebanon1,295
47975Pine Village777
47917Ambia409
47982State Line140

Warren County, Indiana Zip Codes by Population (2024)