ReEnvision Aesthetics and MedSpa

About Simi Valley

Simi Valley ( ; Chumash: Shimiyi) is a city in the valley of the same name in the southeast region of Ventura County, California, United States. Simi Valley is 40 miles (65 km) from Downtown Los Angeles, making it part of the Greater Los Angeles Area. The city sits next to Thousand Oaks, Moorpark, and Chatsworth. As of the 2020 U.S. Census the population was 126,356, up from 124,243 in 2010. The city of Simi Valley is surrounded by the Santa Susana Mountains and the Simi Hills, west of the San Fernando Valley, and northeast of the Conejo Valley. It grew as a commuter bedroom community for the cities in the Los Angeles area, and the San Fernando Valley when a freeway was built over the Santa Susana Pass. The Ronald Reagan Presidential Library, where the former president was buried in 2004, is in Simi Valley. The Reagan Library has hosted Republican primary debates in 2011, 2015, and 2023. == History == === Chumash/pre-colonial period === Simi Valley was once inhabited by the Chumash people, who also settled much of the region from the Salinas Valley to the Santa Monica Mountains, with their presence dating back thousands of years. Around 5,000 years ago these tribes began processing acorns, and harvesting local marshland plants.