Hamilton is a city in Butler County, southwestern Ohio, United States. The population was 62,447 at the 2010 census. It is the county seat of Butler County. The city is part of the Cincinnati metropolitan area, and includes the historic neighborhood of Lindenwald. The city's mayor is Patrick Moeller and the City Manager is Joshua Smith. Most of the city is in the Hamilton City School District. The industrial city is seeking to revitalize itself through the arts and was officially declared the "City of Sculpture". It has brought many sculpture installations to the city and founded the Pyramid Hill Sculpture Park.