Castroville is a census-designated place in Monterey County, California, United States. The population was 6,724 at the 2000 census. Castroville calls itself 'Artichoke Center of the World' and hosts the annual Castroville Artichoke Festival. Marilyn Monroe was named the festival's Artichoke Queen in 1948 and William Hung was named the Artichoke King in 2006. The community also displays the world's largest artificial artichoke. The local high school, North Monterey County High School, Castroville, fields a Marching Band which has traveled to China, performed at Bill Clinton's second Inaugural Parade, and traveled to Italy in April, 2007. Castroville apartments for rent comparison page shows most up to date rent information on Castroville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.