Old Bethpage is a hamlet located on Long Island in the Town of Oyster Bay, Nassau County, New York. In 1695, Thomas Powell bought about 10,000 acres (40 km2) from local Indian tribes, including the Marsapeque, Matinecoc, and Sacatogue, for 140 English pounds. This land, which includes present day Bethpage, East Farmingdale, Farmingdale, Old Bethpage, Plainedge, Plainview, South Farmingdale, and part of Melville, is known as the Bethpage Purchase and is approximately 3.5 miles (5.6 km) east to west and 5 miles (8.0 km) north to south.
Population: 5,523
Zip Code: 11804
Area Code: 516
Elevation: 174′