Moorpark is a city in Ventura County in Southern California. Moorpark was founded in 1900 when the application for the Moorpark Post Office was approved and Inocencio C. Villegas was named Moorpark's first postmaster on August 8 of that year. The townsite of Moorpark was owned and surveyed by Robert W. Poindexter and his wife, Madeline. The town has experienced a great amount of growth since the late 1970s. The population was 34,421 at the 2010 census, up from 31,415 at the 2000 census.