Macoupin County Flag

Macoupin County

State:
Illinois
County Seat:
Carlinville

Macoupin County's estimated 2025 population is 43,663 with a growth rate of -0.53% in the past year according to the most recent United States census data. Macoupin County is the 32nd largest county in Illinois. The 2010 population was 47,798 and has seen a growth of -8.65% since that time.

43,663
Total Population
51
Population Density (mi²)
32
Population Rank (State)
-232 -0.53%
Annual Population Growth

Macoupin 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)