There are 13 zip codes in Hamilton County, Indiana. The most populated is 46032, located in Carmel. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4603251,250Carmel
4606047,340Noblesville
4603746,858Fishers
4607444,075Westfield
4603843,112Fishers
4603339,859Carmel
4606237,191Noblesville
462807,344Indianapolis
460347,335Cicero
460696,901Sheridan
460302,902Arcadia
460312,192Atlanta
4629087Indianapolis

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