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The Research and Statistics unit of the Suffolk County Division of Planning and Environment analyzes a variety of statistical data about the Nassau-Suffolk region, Suffolk County, and its local towns, villages, and hamlets. The following files represent some of that analysis. Click on a topic to download a file in Excel format.

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901