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.
5 Enfield St Cincinnati, OH 45218
300 Maple St Cincinnati, OH 45216
30 Village Square Glendale, OH 45246
11000 Winton Rd Cincinnati, OH 45218
1201 Steffen Ave Cincinnati, OH 45215
114 Harrison Ave Harrison, OH 45030
6778 Main St Cincinnati, OH 45244
7101 Main St Cincinnati, OH 45244