Torrance is a city in the Los Angeles metropolitan area in southwestern Los Angeles County, California, United States, founded in 1912, neighboring Redondo Beach, Rolling Hills Estates, Palos Verdes Estates, Lomita, Gardena, Lawndale, and Alondra Park, as well as the Los Angeles neighborhoods of Harbor City and Harbor Gateway. The city is part of what is known as the South Bay region. Torrance has a moderate year-round climate with average rainfall of 12 inches (300 mm) per year. Torrance has one and a half miles (2.4 km) of beachfront abutting Santa Monica Bay and 30 parks. It is the birthplace of the American Youth Soccer Organization (AYSO). The population was 147,067 at the 2020 census, decreasing by 5.1% to an estimated 139,576 in 2024.