'Jefferson County, OH' definitions:
Jefferson -- U.S. County in Ohio
From: Gazetteer 2000
Name :
Jefferson -- U.S. County in Ohio
Population (2000) :
73894
Housing Units (2000) :
33291
Land area (2000) :
409.608086 sq. miles (1060.880028 sq. km)
Water area (2000) :
1.265783 sq. miles (3.278364 sq. km)
Total area (2000) :
410.873869 sq. miles (1064.158392 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
40.360701 N, 80.725850 W