Ontonagon County Flag

Ontonagon County

State:
Michigan
County Seat:
Ontonagon

Ontonagon County's estimated 2025 population is 5,791 with a growth rate of -0.57% in the past year according to the most recent United States census data. Ontonagon County is the 82nd largest county in Michigan. The 2010 population was 6,776 and has seen a growth of -14.54% since that time.

5,791
Total Population
4
Population Density (mi²)
82
Population Rank (State)
-33 -0.57%
Annual Population Growth

Ontonagon 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)