Washington County Flag

Washington County

State:
Maine
County Seat:
Machias

Washington County's estimated 2025 population is 31,320 with a growth rate of -0.2% in the past year according to the most recent United States census data. Washington County is the 14th largest county in Maine. The 2010 population was 32,828 and has seen a growth of -4.59% since that time.

31,320
Total Population
12
Population Density (mi²)
14
Population Rank (State)
-63 -0.2%
Annual Population Growth

Washington County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)