Camp Pendleton South, California, United States [CDP]; population was 11,299 in 1990; housing units was 2,176 in 1990; location is 33°14'N 117°22'W; land area is 3.84 square miles (2,460 acres); water area is 0.09 square miles (57 acres); FIPS code is 10564 [SourceCBP]