There are 8 zip codes in Putnam County, Indiana. The most populated is 46135, located in Greencastle. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4613519,696Greencastle
461205,881Cloverdale
461282,277Fillmore
461722,243Roachdale
461711,949Reelsville
461051,741Bainbridge
46175538Russellville
461700Putnamville

Zip Codes in Putnam County, Indiana by Population (2024)