Douglas County Flag

Douglas County

State:
Washington
County Seat:
Waterville

Douglas County's estimated 2026 population is 47,429 with a growth rate of 2.06% in the past year according to the most recent United States census data. Douglas County is the 25th largest county in Washington. The 2010 population was 38,513 and has seen a growth of 23.15% since that time.

47,429
Total Population
26
Population Density (mi²)
25
Population Rank (State)
956 2.06%
Annual Population Growth

Douglas County Population

Demographics

Economics and Income Statistics