'Knox County, OH' definitions:

Knox -- U.S. County in Ohio

From: Gazetteer 2000
Name :
Knox -- U.S. County in Ohio
Population (2000) :
54500
Housing Units (2000) :
21793
Land area (2000) :
527.123176 sq. miles (1365.242700 sq. km)
Water area (2000) :
2.409635 sq. miles (6.240925 sq. km)
Total area (2000) :
529.532811 sq. miles (1371.483625 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
40.403035 N, 82.433805 W