Berkeley is a city on the east shore of San Francisco Bay in northern Alameda County, California. It is named after the 18th-century 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 2010 census recorded a population of 112,580.
Berkeley is home to the oldest campus in the University of California system, the University of California, Berkeley, and the Lawrence Berkeley National Laboratory, which is managed and operated by the University. It also has the Graduate Theological Union, one of the largest religious studies institutions in the world. Berkeley is one of the most socially liberal cities in the United States.
The 2010 United States Census reported that Berkeley had a population of 112,580. The population density was 10,752 people per square mile of land area (4,104/km²). The racial makeup of Berkeley was 66,996 (59.5%) White, 11,241 (10.0%) Black or African American, 479 (0.4%) Native American, 21,690 (19.3%) Asian (8.4% Chinese, 2.4% Indian, 2.1% Korean, 1.6% Japanese, 1.5% Filipino, 1.0% Vietnamese), 186 (0.2%) Pacific Islander, 4,994 (4.4%) from other races, and 6,994 (6.2%) from two or more races. Hispanic or Latino people of any race were 12,209 persons (10.8%). 6.8% of the city’s population was of Mexican ancestry.
The Census reported that 99,731 people (88.6% of the population) lived in households, 12,430 (11.0%) lived in non-institutionalized group quarters, and 419 (0.4%) were institutionalized.
There were 46,029 households, out of which 8,467 (18.4%) had children under the age of 18 living in them, 13,569 (29.5%) were opposite-sex married couples living together, 3,855 (8.4%) had a female householder with no husband present, 1,368 (3.0%) had a male householder with no wife present. There were 2,931 (6.4%) unmarried opposite-sex partnerships, and 961 (2.1%) same-sex married couples or partnerships. 16,904 households (36.7%) were made up of individuals and 4,578 (9.9%) had someone living alone who was 65 years of age or older. The average household size was 2.17. There were 18,792 families (40.8% of all households); the average family size was 2.81. There were 49,454 housing units at an average density of 2,794.6 per square mile (1,079.0/km²), of which 46,029 were occupied, of which 18,846 (40.9%) were owner-occupied, and 27,183 (59.1%) were occupied by renters. The homeowner vacancy rate was 1.0%; the rental vacancy rate was 4.5%. 45,096 people (40.1% of the population) lived in owner-occupied housing units and 54,635 people (48.5%) lived in rental housing units.
The population was spread out with 13,872 people (12.3%) under the age of 18, 30,295 people (26.9%) aged 18 to 24, 30,231 people (26.9%) aged 25 to 44, 25,006 people (22.2%) aged 45 to 64, and 13,176 people (11.7%) who were 65 years of age or older. The median age was 31.0 years. For every 100 females, there were 95.6 males. For every 100 females age 18 and over, there were 94.2 males.
According to the 2011 American Community Survey 5-Year estimate, the median income for a household in the city was $60,908, and the median income for a family was $102,976. Males had a median income of $67,476 versus $57,319 for females. The per capita income for the city was $38,896. About 7.2% of families and 18.3% of the population were below the poverty line, including 13.2% of those under age 18 and 9.2% of those age 65 or over.
Berkeley has a higher-than-average crime rate, particularly property crime, though the crime rate has fallen significantly since 2000.