'Macomb County, MI' definitions:

Macomb -- U.S. County in Michigan

From: Gazetteer 2000
Name :
Macomb -- U.S. County in Michigan
Population (2000) :
788149
Housing Units (2000) :
320276
Land area (2000) :
480.438452 sq. miles (1244.329825 sq. km)
Water area (2000) :
89.341226 sq. miles (231.392703 sq. km)
Total area (2000) :
569.779678 sq. miles (1475.722528 sq. km)
Located within :
Michigan (MI), FIPS 26
Location :
42.591138 N, 82.951762 W