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Find information about Hamilton County's services, events, news and departments. Learn about property taxes, elections, courts, board of commissioners and more.
- Residents
With over 800,000 people living within its 49 jurisdictions,...
- Business
With 3 major highways, multiple railroads, and nationally...
- Visitors
Hamilton County has something for everyone. Home to over 96...
- Government
The county government serves the entire county in two...
- About
Welcome to Hamilton County, Ohio – the home county of the...
- Residential Development
Residential Development. Learn more about the Hamilton...
- Transportation
Transportation. Everything you need to know to get from home...
- Property & Development
Property & Development. Here, you can learn more about the...
- Residents
www .hamilton-co .org. Hamilton County is located in the southwestern corner of the U.S. state of Ohio. As of the 2020 census, the population was 830,639, [2] making it the third-most populous county in Ohio. The county seat and largest city is Cincinnati. [3]
Cincinnati (/ ˌ s ɪ n s ɪ ˈ n æ t i / SIN-si-NAT-ee, nicknamed Cincy) is a city in and the county seat of Hamilton County, Ohio, United States. Settled in 1788, the city is located in the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line with Kentucky .
Find the contact information and hours of operation for various county departments, such as auditor, sheriff, health, library, and more. Browse the alphabetical list of departments and click on the links for more details.
DepartmentPhoneHours8am - 4pm Mon - Fri8am - 4pm Mon - Fri8am - 4pm Mon - Fri8am - 4pm Mon - FriLearn about the population, diversity, economy, education, and health of Hamilton County, OH, which includes Cincinnati and its suburbs. See charts, maps, and data sources for various indicators and compare with other geographies.
Great Parks of Hamilton County. Enjoy the great outdoors at one of your 22 parks and conservation areas in Hamilton County. Parks are open from dawn to dusk, 365 days a year.