Saline County Flag

Saline County

State:
Illinois
County Seat:
Harrisburg

Saline County's estimated 2025 population is 22,664 with a growth rate of -0.71% in the past year according to the most recent United States census data. Saline County is the 52nd largest county in Illinois. The 2010 population was 24,900 and has seen a growth of -8.98% since that time.

22,664
Total Population
60
Population Density (mi²)
52
Population Rank (State)
-162 -0.71%
Annual Population Growth

Saline 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)