Douglas County Population 2025. Douglas county, oregon's estimated 2024 population is 112,580 with a growth rate of 0.13% in the past year according to the most recent united states census data. Learn more about douglas county's population and development.
Usa today estimated 2020 tract and legislative district population counts based. Douglas county, colorado’s estimated 2024 population is 391,875 with a growth rate of 2.08% in the past year according to the most recent united states census data.