As of 2022, Kings, Queens, Nassau, and Suffolk counties collectively had a gross domestic product of approximately $600 billion. Median household income on the island significantly exceeds $100,000, and the median home price is approximately $600,000, with Nassau County approximating $700,000. Among residents over the age of 25, 42.6% hold a college degree or higher educational degree. Unemployment on Long Island stays consistently below 4%. Biotechnology companies, engineering, and scientific research play a significant role in Long Island's economy, including research facilities at Brookhaven National Laboratory, Cold Spring Harbor Laboratory, Stony Brook University, New York Institute of Technology, Plum Island Animal Disease Center, the New York University Tandon School of Engineering, the Zucker School of Medicine, and the Feinstein Institutes for Medical Research.