Resident Population in Jackson County, CO was 1.27300 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Jackson County, CO reached a record high of 2.10000 in January of 1973 and a record low of 1.27300 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Jackson County, CO - last updated from the United States Federal Reserve on April of 2026.