Unemployment Rate in Suffolk County, NY was 4.00% in January of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Suffolk County, NY reached a record high of 18.80 in April of 2020 and a record low of 2.70 in October of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Suffolk County, NY - last updated from the United States Federal Reserve on May of 2026.