Lynbrook is part of New York's 4th congressional district, which is currently represented by Democrat Kathleen M. Rice. Lynbrook is also part of New York State Senate District 9. It is also part of the New York State 21st Assembly District, which is represented by Democrat Judy Griffin, who resides in Rockville Centre. Long Island Rail Road service to the New York City boroughs of Manhattan, Queens and Brooklyn is available at the Lynbrook station located off Sunrise Highway between Peninsula Boulevard and Broadway. There is also the Westwood station located off Whitehall Street that provides service to the New York City boroughs of Manhattan, Queens and Brooklyn.