Berkeley is a city on the eastern shore of San Francisco Bay in northern Alameda County, California, United States. It is named after the 18th-century Anglo-Irish bishop and philosopher George Berkeley. It borders the cities of Oakland and Emeryville to the south and the city of Albany and the unincorporated community of Kensington to the north. Its eastern border with Contra Costa County generally follows the ridge of the Berkeley Hills. The 2020 census recorded a population of 124,321.
Geography
Berkeley is located at 37°52′18″N 122°16′29″W (37.871775, −122.274603).
According to the United States Census Bureau, the city’s 17.7-square-mile (46 km2) area includes 10.5 square miles (27 km2) of land and 7.2 square miles (19 km2) (40.83%) water, most of it part of San Francisco Bay.
Demographics
The 2020 United States Census reported that Berkeley had a population of 124,321. The population density was 11,874 people per square mile of land area (4,584/km2).