Camarillo is a city in Ventura County, California, United States. The population was 57,077 at the 2000 census. A January 1, 2006 California Department of Finance estimate lists the population at 64,034. The Ventura Freeway is the city's primary thoroughfare. Camarillo apartments for rent comparison page shows most up to date rent information on Camarillo apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.