Hamilton County, county in Indiana, United States. As of 2020 county had an estimated population of 344,238 inhabitants. The county was created 199 years ago in 1823. Its county seat is "Noblesville".
There are 1 city/town in Hamilton County, IN. The largest city of Hamilton County is Noblesville with a population of 65,835.
Cities, Towns, Neighborhoods & Other Populated Places in Hamilton County.
|Noblesville||City in Indiana||Hamilton||65,835|