South Gate is a city in Los Angeles County, California, United States. The sixteenth largest city in Los Angeles County, it encompasses 7.4 square miles (19 Square kilometer). South Gate is located just 7 miles (11 km) southeast of downtown Los Angeles It is part of the Gateway Cities region of southeastern Los Angeles County. The "City of South Gate" was incorporated on January 20, 1923. South Gate became known as an official "Azalea City" when it adopted the azalea as its official flower in 1965. An image of the azalea is used in the official All American City seal. In 1990, South Gate was one of ten U.S. communities to receive the All-America City Award from the National Civic League.