Nassau County
Your comprehensive guide to Nassau County government, elected officials, and the 19-member County Legislature.
Nassau County is one of the most densely populated suburban counties in the United States. Located directly east of New York City on Long Island, it encompasses three towns and two cities, with a rich political landscape that shapes the daily lives of nearly 1.4 million residents.
Key Facts
- Population
- ~1,395,000
- County Seat
- Mineola
- Municipalities
- 3 Towns, 2 Cities
- Legislature
- 19 Districts
- Area
- 287 sq mi
- Founded
- 1899
County-Wide Elected Officials
Executive and administrative leadership of Nassau County
Nassau County Legislature
19 districts representing all of Nassau County
Stephanie Bontempi
County Legislator
Nassau Co.
Since 2024
Tom Cilmi
County Legislator
Nassau Co.
Since 2024
John Ferretti Jr.
County Legislator
Nassau Co.
Since 2018
Denise Ford
County Legislator
Nassau Co.
Since 2014
C. William Gaylor III
County Legislator
Nassau Co.
Since 2024
Tom Giangregorio
County Legislator
Nassau Co.
Since 2024
Kayla L. Knight
County Legislator
Nassau Co.
Since 2026
Howard J. Kopel
County Legislator
Nassau Co.
Since 2016
Thomas McKevitt
County Legislator
Nassau Co.
Since 2022
Patrick Mullaney
County Legislator
Nassau Co.
Since 2024
Rose Marie Walker
County Legislator
Nassau Co.
Since 2016
Nassau County Municipalities
3 towns and 2 independent cities
Town of Hempstead
The largest town in Nassau County and one of the most populous in the United States.
Town of North Hempstead
Located on the North Shore, home to the communities of Great Neck, Manhasset, and Port Washington.
Town of Oyster Bay
The easternmost town in Nassau County, home to Hicksville, Syosset, and Massapequa.
City of Glen Cove
An independent city on the North Shore with a rich maritime and industrial history.
City of Long Beach
A barrier island city known for its boardwalk, beaches, and vibrant community.