Macon County is a county located in the U.S. state of Illinois. As of the most recent data available, the county has a population of approximately 114,706 people, with a population density of about 197.43 persons per square mile.
The county spans a total land area of 581.00 square miles (1,505.00 square kilometers). The administrative center and county seat is Decatur, which often serves as a hub for local governance and services. The largest city within the county by population is Decatur.
Geographically, Macon County experiences varied elevations, with its highest point at Maroa 721 ft and its lowest point at Niantic 602 ft. The region operates in the UTC-6.