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Economic Development Office
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Demographics

POPULATION: 1,339,463 (2003 Census Estimate)

MEDIAN AGE: 38.5 years (2000 Census)

SALES OR USE TAX: 8.5%

AREA CODE: (516)

EMERGENCY NUMBER: Dial 911

GEOGRAPHY: 287 square miles; 183,680 acres

TOWNS AND CITIES:
3 Towns:
Town of Hempstead
Town of North Hempstead
Town of Oyster Bay

2 Cities:
City of Glen Cove
City of Long Beach

BOUNDARIES:
North – Long Island Sound
South – Atlantic Ocean
East – Suffolk County
West – Queens County

CLIMATE: Moderated by its surrounding bodies of water, Nassau County enjoys a pleasant climate with an abundance of sunshine throughout the year. The region records approximately 110 sunny days, 139 partly sunny days, and 116 cloudy days each year. Average annual rainfall is 45 inches. Average annual snowfall is 26.9 inches. Average humidity is 68%.


AVERAGE MONTHLY TEMPERATURES:

January 31-43 F
February 22-38 F
March 35-50 F
April 40-58 F
May 58-67 F
June 68-77 F
July 67-83 F
August 64-86 F
September 58-74 F
October 50-69 F
November 36-51 F
December 25-39 F