Ohio County is a county located in southeastern Indiana. With a 2020 population of 5,940, and an area of just 87 square miles, Ohio County is the smallest county in Indiana by area and the least populous. The county seat and only incorporated municipality is Rising Sun. The county was officially established in 1844 and was one of the last Indiana counties to be created. Ohio County borders the state of Kentucky across the Ohio River for which it was named. It is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area. The county is divided into four townships which provide local services. Three state roads pass through or into the county.
Rising Sun is a city in Randolph Township and the county seat of Ohio County, Indiana, United States, along the Ohio River. It is also the only incorporated community in the county. The population of Rising Sun was 2,248 at the 2020 census.
Rising Sun High School is a public high school in Rising Sun, Indiana. It is part of Rising Sun-Ohio County Community Schools and is the only high school in Ohio County.
Aberdeen is an unincorporated community and Census-designated place in Cass Township, Ohio County, in the U.S. state of Indiana.
Hartford is an unincorporated community in Union Township, Ohio County, in the U.S. state of Indiana.
Norths Landing is an unincorporated community in Randolph Township, Ohio County, in the U.S. state of Indiana.
Rising Star Casino Resort (previously the Grand Victoria Casino & Resort) is a riverboat casino and hotel in Rising Sun, Indiana, US, owned and operated by Full House Resorts.
Bear Branch is an unincorporated community in Pike Township, Ohio County, in the U.S. state of Indiana.
Buffalo (also known as French) is an unincorporated community in Randolph Township, Ohio County, in the U.S. state of Indiana.
Milton is an unincorporated community in Union Township, Ohio County, in the U.S. state of Indiana.