ZIP Code 45012

About Hamilton

Hamilton is a city in Butler County, Ohio, United States, and its county seat. It is 20 miles (32 km) north of Cincinnati along the Great Miami River. The population was 63,399 at the 2020 census, making Hamilton the second-most populous city in the Cincinnati metropolitan area and the tenth-most populous city in Ohio. Most of the city is served by the Hamilton City School District.

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