Compton is a city located in the Gateway Cities region of southern Los Angeles County, California, United States, situated south of downtow…Compton is a city located in the Gateway Cities region of southern Los Angeles County, California, United States, situated south of downtown Los Angeles. Compton is one of the oldest cities in the county, and on May 11, 1888, was the eighth city in Los Angeles County to incorporate. As of the 2020 census, the city had a total population of 95,740. It is known as the "Hub City" due to its geographic centrality in Los Angeles County. Neighborhoods in Compton include Sunny Cove, Leland, downtown Compton, and Richland Farms.