Old Brookville, New York, United States [Village]; population was 1,823 in 1990; housing units was 627 in 1990; location is 40°50'N 73°36'W; land area is 3.97 square miles (2,543 acres); water area is 0.00 square miles (1 acres); FIPS code is 54562 [SourceCBP]