West Linn, Oregon, United States [City]; population was 16,367 in 1990; housing units was 5,951 in 1990; location is 45°22'N 122°38'W; land area is 6.63 square miles (4,242 acres); water area is 0.51 square miles (325 acres); FIPS code is 80150 [SourceCBP]