Oak Park (Ventura County, Calif.)

Oak Park is an unincorporated community in southeastern Ventura County, California, United States. When developed in the Simi Hills in the late 1960s, a single road provided the only access to the community from Agoura Hills, California, in neighboring Los Angeles County. As of the 2020 census, Oak Park had a population of 13,898, up from 13,811 at the 2010 census. For statistical purposes, the United States Census Bureau has defined Oak Park as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name. Oak Park is the biggest unincorporated community in Ventura County. Residents of the community have through votes declined to set up an independent city, and also declined to be annexed into neighboring Thousand Oaks.