Emerald Lake Hills, California, United States [CDP]; population was 3,328 in 1990; housing units was 1,248 in 1990; location is 37°28'N 122°16'W; land area is 1.18 square miles (754 acres); water area is 0.01 square miles (4 acres); FIPS code is 22587 [SourceCBP]