Hamilton County, Ohio, is a dynamic local governmental agency that strives every day to serve its growing number of residents by providing the best and most responsive county government in America. Our mission is to reach out to Hamilton County residents to provide efficient service of the highest quality, encourage resident participation in service development, and to deliver county services equitably. Hamilton County is located in the Southwest corner of the State of Ohio and is made up of 49 unique and vibrant communities including the City of Cincinnati.