Spanaway, Washington, United States [CDP]; population was 15,001 in 1990; housing units was 5,347 in 1990; location is 47°6'N 122°26'W; land area is 5.15 square miles (3,294 acres); water area is 0.37 square miles (240 acres); FIPS code is 66255 [SourceCBP]