Resident Population in Connecticut was 3617.17600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Connecticut reached a record high of 3626.20500 in January of 2022 and a record low of 910.00000 in January of 1900. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Connecticut - last updated from the United States Federal Reserve on March of 2024.