Macon County, Illinois

Macon County
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 39°51'36.00" N -88°57'36.00" W
Country United States
State Illinois
FoundedJanuary 19, 1829
Named afterNathaniel Macon
SeatDecatur
Largest cityDecatur
Government
  County Board ChairpersonKevin Greenfield
Area
  Total
586 sq mi (1,520 km2)
  Land581 sq mi (1,500 km2)
  Water5.2 sq mi (13 km2)  0.9%
Population
 (2020)
  Total
103,998
  Density180/sq mi (69/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districts13th, 15th
Websitemaconcounty.illinois.gov

Macon County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 103,998. Its county seat and most populous city is Decatur.

Macon County comprises the Decatur, IL Metropolitan Statistical Area.