Clarinda is a city in and the county seat of Page County, Iowa, United States. Clarinda was founded in 1851. Many stories are told of such notables as Jesse James frequently passing through. In 1884, the citizens rallied to build the third mental hospital in the state of Iowa. Today, the Clarinda State Hospital is known as the Clarinda Treatment Complex and the hospital is located on the north end of the city. Clarinda also holds a state prison called the Clarinda Correctional Facility.