'Jefferson County, MO' definitions:
Jefferson -- U.S. County in Missouri
From: Gazetteer 2000
Name :
Jefferson -- U.S. County in Missouri
Population (2000) :
198099
Housing Units (2000) :
75586
Land area (2000) :
656.796138 sq. miles (1701.094116 sq. km)
Water area (2000) :
7.290396 sq. miles (18.882037 sq. km)
Total area (2000) :
664.086534 sq. miles (1719.976153 sq. km)
Located within :
Missouri (MO), FIPS 29
Location :
38.285842 N, 90.499266 W