Tigard, Oregon, United States [City]; population was 29,344 in 1990; housing units was 12,599 in 1990; location is 45°25'N 122°46'W; land area is 10.19 square miles (6,519 acres); water area is 0.01 square miles (3 acres); FIPS code is 73650 [SourceCBP]