'Macon County, IL' definitions:

Macon -- U.S. County in Illinois

From: Gazetteer 2000
Name :
Macon -- U.S. County in Illinois
Population (2000) :
114706
Housing Units (2000) :
50241
Land area (2000) :
580.522695 sq. miles (1503.546813 sq. km)
Water area (2000) :
4.855319 sq. miles (12.575217 sq. km)
Total area (2000) :
585.378014 sq. miles (1516.122030 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
39.853136 N, 88.953227 W