Simi Valley (from Chumash Shimiyi ) is a town located in the valley of the same name, Simi Valley, in the southeast corner of Ventura County, California, United States. Situated 30 miles from Downtown Los Angeles, Simi Valley is part of the Greater Los Angeles Area. The city is adjacent to Thousand Oaks, Moorpark, and the Los Angeles neighborhood of Chatsworth. According to the United States Bureau of the Census, the town had a population of 126,874 in 2012, up from 111,351 in 2000.
The Ronald Reagan Presidential Library, where the former president was buried following his death in 2004, is in Simi Valley.
The town of Simi Valley is surrounded by the Santa Susana Mountain range and the Simi Hills, west of the San Fernando Valley, and northeast of the Conejo Valley. It is largely a commuter bedroom community feeding the larger cities in Ventura County to the west and the Los Angeles area and the San Fernando Valley to the east.
A study done by the University of Vermont ranked Simi Valley as the fifth-happiest town in the United States. According to crime statistics by the FBI in 2013, Simi Valley is the seventh-safest town in the U.S. with a population of 100,000 or more. The U.S. Census Bureau of 2012 reported a median household income of $87,894, which is higher than the California median of $70,231 and the national average of $62,527.