Adams County Flag

Adams County

State:
Ohio
County Seat:
West Union

Adams County's estimated 2025 population is 27,800 with a growth rate of 0.47% in the past year according to the most recent United States census data. Adams County is the 76th largest county in Ohio. The 2010 population was 28,530 and has seen a growth of -2.56% since that time.

27,800
Total Population
48
Population Density (mi²)
76
Population Rank (State)
129 0.47%
Annual Population Growth

Adams 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)