These four suburban residential communities located approximately 25 miles ( 40 km ) from New York City have a combined population of approximately 23,000 people .
These four suburban residential communities cover an area of 18 square miles ( 47 km ) .
These four suburban residential communities located approximately 25 miles ( 40 km ) from New York City have a combined population of approximately 23,000 people and cover an area of 18 square miles ( 47 km ) .