Suffolk County is located in the southeastern part of New York State and is the easternmost county in the state. It is the fourth most populous county in New York, with an estimated population of 1,492,953 in 2019. The county seat is Riverhead.

The county is governed by a county legislature, which is composed of 18 members elected from single-member districts.

The county is divided into 10 towns, each of which is governed by a town board. The towns are Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Shelter Island, Smithtown, Southampton, and Southold.

The county is also home to several Native American reservations, including the Shinnecock Indian Reservation, Poospatuck Indian Reservation, and Unkechaug Indian Reservation.

The county is served by the Suffolk County Police Department, which is the largest police force in the state outside of New York City. The county also has its own fire department, which is the largest volunteer fire department in the United States.

The county is home to several major universities, including Stony Brook University, Suffolk County Community College, and Dowling College.

The county is served by the Long Island Rail Road, which provides commuter rail service to New York City and other parts of Long Island. The county is also served by several major highways, including the Long Island Expressway, Northern State Parkway, and Sunrise Highway.

For the most up-to-date and in-depth information, please check the public records links below.