Long Island, New York — Nassau & Suffolk Counties
Long Island

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.

5
Municipalities
19
Legislature Districts
1.4M
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

Nassau County Municipalities

3 towns and 2 independent cities