Mercer County Flag

Mercer County

State:
Missouri
County Seat:
Princeton

Mercer County's estimated 2025 population is 3,405 with a growth rate of -1.36% in the past year according to the most recent United States census data. Mercer County is the 114th largest county in Missouri. The 2010 population was 3,770 and has seen a growth of -9.68% since that time.

3,405
Total Population
8
Population Density (mi²)
114
Population Rank (State)
-47 -1.36%
Annual Population Growth

Mercer 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)