Prole /prɔɪ/ is an unincorporated rural village in northwestern Warren County, Iowa, United States. It lies along Iowa Highway 28 northwest of the city of Indianola, the county seat of Warren County. Its elevation is 978 feet (298 m). Prole has a post office, with the ZIP code of 50229, a cafe, a floral shop and an auto repair shop by way of businesses and services.