Main Industries: Suffolk County is home to the scientific innovations at Brookhaven National Lab, Stony Brook University and the high-tech Route 110 corridor. State parks, such as Robert Moses State Park, are the responsibility of the New York State Park Police, based at Belmont Lake State Park. The largest of Long Island's four counties and the second-largest of 62 counties in New York State, Suffolk measures 86 miles (138 km) in length and 26 miles (42 km) in width at its widest (including water).[4]. Suffolk County has a long maritime history with several outer barrier beaches and hundreds of square miles of waterways. The median income for a household in the county was $84,767,[25] and the median income for a family was $72,112.
The District Court and the Town and Village Courts are the local courts of Suffolk County. New Suffolk is a census-designated place (CDP) that roughly corresponds to the hamlet by the same name in the Town of Southold in Suffolk County, New York, United States. In March 2020, the COVID-19 pandemic first affected the county. At various times, there have been proposals for a division of Suffolk County into two counties. The State University Police have jurisdiction in Suffolk County at Stony Brook University and Farmingdale State College. All residents of New York who do not live in a city or on an Indian reservation live in a town.

The Suffolk County Sheriff's Office is a separate agency.
The Partisan Voting Index is as of the 2012 and 2016 presidential elections: Republicans controlled the county legislature until a landmark election in November 2005 where three Republican seats switched to the Democrats, giving them control. New Suffolk is a census-designated place that roughly corresponds to the hamlet (unincorporated community) by the same name in the town of Southold in Suffolk County, New York, United States.

Suffolk County has an 8.625% sales tax, compared to an overall New York State sales tax of 4%, consisting of an additional 4.25% on top of the state and MTA assessment of .375%[52]. The Supreme Court also shares space in the Cohalan Court Complex in. Peconic County would consist of the five easternmost towns of Suffolk County: East Hampton, Riverhead, Shelter Island, Southampton and Southold, plus the Shinnecock Indian Reservation. The Town Courts of East Hampton, Riverhead, Shelter Island, Southampton, and Southold have geographic jurisdiction over the 5 eastern towns of Suffolk County.

[citation needed]. PRISM Climate Group, Oregon State U On February 9, 2013, Suffolk County was besieged with 30 inches of snow, making it the largest day of snowfall on record in Suffolk. [19] By 2014, the county's racial makeup was estimated at 85.2% White, 8.3% African American, 0.6% Native American, 4.0% Asian, 0.1% Pacific Islander, and 1.8% from two or more races. The County occupies the easternmost portion of Long Island, in the southeastern portion of New York State. Education: Suffolk County is home to numerous colleges and universities, both public and private. In an unusual move, the Village of Greenport in 1994 voted to abolish its police department and turn responsibility for law and order over to the Southold Town Police Department. The county has 18 legislative districts, each represented by a legislator. Its county seat is Riverhead,[2] though most county offices are in Hauppauge. As of 22 April 2020 there are a total of 29,476 cases, 926 deaths and 1,913 recoveries.