Unemployment Rate in New London County, CT was 2.60% in December of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in New London County, CT reached a record high of 17.50 in May of 2020 and a record low of 1.50 in December of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in New London County, CT - last updated from the United States Federal Reserve on April of 2026.