Macon County Flag

Macon County

State:
Illinois
County Seat:
Decatur

Macon County's estimated 2026 population is 98,651 with a growth rate of -0.65% in the past year according to the most recent United States census data. Macon County is the 20th largest county in Illinois. The 2010 population was 110,786 and has seen a growth of -10.95% since that time.

98,651
Total Population
170
Population Density (mi²)
20
Population Rank (State)
-649 -0.65%
Annual Population Growth

Macon County Population

Demographics

Economics and Income Statistics