Oakdale, New York

Oakdale, New York
Hamlet and census-designated place
Oakdale, New York
Coordinates: 40°44′23″N 73°8′23″W / 40.73972°N 73.13972°W / 40.73972; -73.13972
Country	United States
State	New York
County	Suffolk
Area [1]
• Total	3.79 sq mi (9.83 km2)
• Land	3.18 sq mi (8.23 km2)
• Water	0.62 sq mi (1.60 km2)
Elevation	10 ft (3 m)
Population  (2020)
• Total	7,430
• Density	2,338.68/sq mi (903.03/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP code	11769
Area code	631
FIPS code	36-54144
GNIS feature ID	0959162

Oakdale is a hamlet (and census-designated place) in Suffolk County, New York, United States. The population was 7,974 at the 2010 census. Oakdale is in the Town of Islip. It has been home to Gilded Age mansions, the South Side Sportsmen's Club, and the main campus of Dowling College. It is now home to Connetquot River State Park Preserve.