Lago Vista, Texas, United States [City]; population was 2,199 in 1990; housing units was 1,439 in 1990; location is 30°27'N 97°60'W; land area is 8.60 square miles (5,504 acres); water area is 0.65 square miles (413 acres); FIPS code is 40264 [SourceCBP]