Cayucos, California, United States [CDP]; population was 2,960 in 1990; housing units was 2,133 in 1990; location is 35°26'N 120°53'W; land area is 3.05 square miles (1,950 acres); water area is 0.39 square miles (250 acres); FIPS code is 12132 [SourceCBP]