Lisbon Falls, Maine, United States [CDP]; population was 4,674 in 1990; housing units was 1,759 in 1990; location is 44°0'N 70°3'W; land area is 3.80 square miles (2,433 acres); water area is 0.10 square miles (65 acres); FIPS code is 40105 [SourceCBP]