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Land & Water Area
Los Angeles County

View of San Gabriel Mountains from Montebello. Los Angeles Almanac Photo.

Area Acres Square Miles Square Kilometers
Land 2,587,046 4,057.88 10,517.61
Water 443,557 693.06 1,790.85
Total 3,040,603 4,750.94 12,308.46

Source: U.S. Census Bureau


Land and water areas of individual cities and communities in Los Angeles County.


The Los Angeles Basin is the largest flat basin opening onto the Pacific Ocean.