Hamilton County
Click here to view a map of Hamilton County
Click here for the Hamilton County Census Profile (2024)
Hamilton County is located in the southwestern corner of Ohio, with a population of 830,639 as of the 2020 census, making it the third-most populous county in the state. The county seat and largest city is Cincinnati, and it is part of the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area. Hamilton County is known for its strong Midwestern values, such as being tough, hardworking, and polite. The county is named for the first Secretary of the Treasury, Alexander Hamilton and county provides many services to residents and businesses.
Addyston
Anderson Township
Blue Ash
Camp Dennison
Cincinnati
Cleves
Colerain Township
Deer Park
Dent
Evandale
Evendale
Fairfield
Forest Park
Glendale
Green Township
Groesbeck
Harrison
Hooven
Indian Hill
Kenwood
Loveland
Madeira
Mason
Miamitown
Montgomery
Mt Carmel
Mt St Joseph
Newtown
North Bend
North College Hill
Norwood
Parkdale
Reading
Sharonville
Silverton
Springdale
Summerside
Sycamore Township
Symmes
Symmes Township
Terrace Park
West Chester Township
Westwood