Waldo County Flag

Waldo County

State:
Maine
County Seat:
Belfast

Waldo County's estimated 2025 population is 41,350 with a growth rate of 0.89% in the past year according to the most recent United States census data. Waldo County is the 10th largest county in Maine. The 2010 population was 38,824 and has seen a growth of 6.51% since that time.

41,350
Total Population
57
Population Density (mi²)
10
Population Rank (State)
365 0.89%
Annual Population Growth

Waldo County Population

Demographics

Economics and Income Statistics