Resident Population in Lake County, CO was 7.36500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Lake County, CO reached a record high of 8.90000 in January of 1976 and a record low of 5.83300 in January of 1988. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lake County, CO - last updated from the United States Federal Reserve on May of 2024.