Logan County Flag

Logan County

State:
Illinois
County Seat:
Lincoln

Logan County's estimated 2025 population is 27,528 with a growth rate of 0.04% in the past year according to the most recent United States census data. Logan County is the 48th largest county in Illinois. The 2010 population was 30,282 and has seen a growth of -9.09% since that time.

27,528
Total Population
45
Population Density (mi²)
48
Population Rank (State)
10 0.04%
Annual Population Growth

Logan 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)