Housing Inventory: Active Listing Count Year-Over-Year in Douglas County, CO was 9.21% in September of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Active Listing Count Year-Over-Year in Douglas County, CO reached a record high of 173.28 in January of 2023 and a record low of -71.07 in May of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Active Listing Count Year-Over-Year in Douglas County, CO - last updated from the United States Federal Reserve on October of 2026.