About This Place
San Leandro is a city in Alameda County, California, United States. It is considered a suburb of Oakland and San Francisco. The population was 84,950 as of 2010 census. The climate of the city is mild throughout the year.
The San Leandro Hills run above the city to the northeast. In the lower elevations of the city, an upper regionally contained aquifer is located 50 to 100 feet (15 to 30 m) below the surface. At least one deeper aquifer exists approximately 250 feet (75 m) below the surface. Some salt water intrusion has taken place in the San Leandro Cone. Shallow groundwater generally flows to the west, from the foothills toward the San Francisco Bay. Shallow groundwater is contaminated in many of the locales of the lower elevation of the city. Contamination by gasoline, volatile organic compounds and some heavy metals has been recorded in a number of these lower elevation areas.
The 2010 United States Census reported that San Leandro had a population of 84,950. The population density was 5,423.8 people per square mile (2,094.1/km²). The racial makeup of San Leandro was 31,946 (37.6%) White, 10,437 (12.3%) African American, 669 (0.8%) Native American, 25,206 (29.7%) Asian, 642 (0.8%) Pacific Islander, 11,295 (13.3%) from other races, and 4,755 (5.6%) from two or more races. Hispanic or Latino of any race were 23,237 persons (27.4%).