Ellsworth South, Washington, United States [CDP]; population was 4,423 in 1990; housing units was 1,825 in 1990; location is 45°37'N 122°34'W; land area is 2.09 square miles (1,340 acres); water area is 0.23 square miles (150 acres); FIPS code is 21425 [SourceCBP]