Sedro-Woolley, Washington, United States [City]; population was 6,031 in 1990; housing units was 2,470 in 1990; location is 48°30'N 122°14'W; land area is 3.31 square miles (2,121 acres); water area is 0.01 square miles (8 acres); FIPS code is 63210 [SourceCBP]