Resident Population in Kent County, DE was 189.78900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Kent County, DE reached a record high of 189.78900 in January of 2023 and a record low of 81.89200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Kent County, DE - last updated from the United States Federal Reserve on May of 2024.