Bethel Island, California, United States [CDP]; population was 2,115 in 1990; housing units was 1,257 in 1990; location is 38°2'N 121°39'W; land area is 5.14 square miles (3,292 acres); water area is 0.22 square miles (140 acres); FIPS code is 6210 [SourceCBP]