Krupp is a town in Grant County, Washington, United States. The population was 60 at the 2000 census. Although legally incorporated as Krupp, the town was once known as Marlin. Elections are held there under the name of Marlin, Washington, and they are the same locale. Krupp apartments for rent comparison page shows most up to date rent information on Krupp apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.