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() is an unincorporated community in San Diego County, California, United States. The Jamul census-designated place (CDP) had a population of 5,920 at the 2000 census.
According to the United States Census Bureau, the Jamul census-designated place (CDP) has a total area of 43.1 km² (16.6 mi²). 42.6 km² (16.5 mi²) of it is land and 0.5 km² (0.2 mi²) of it (1.08%) is water.