Oak Park, California

Oak Park, California
Oak Park viewed through nearby CoBa Arch in the Simi Hills
Location in Ventura County and the state of California
Coordinates: 34°10′18″N 118°45′28″W / 34.17167°N 118.75778°W / 34.17167; -118.75778
CountryUnited States
StateCalifornia
CountyVentura
RegionConejo Valley
Government
 • SenateHenry Stern (D)
 • AssemblyJacqui Irwin (D)
 • U. S. CongressJulia Brownley (D)
Area
 • Total
5.295 sq mi (13.713 km2)
 • Land5.295 sq mi (13.713 km2)
 • Water0 sq mi (0 km2)  0%
Elevation
1,106 ft (337 m)
Population
 (2020)
 • Total
13,898
 • Density2,624.9/sq mi (1,013.5/km2)
Time zoneUTC-8 (PST)
 • Summer (DST)UTC-7 (PDT)
ZIP code
91377
Area codes747 and 818
FIPS code06-53116
GNIS feature ID1817380

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.