'Gallia County, OH' definitions:

Gallia -- U.S. County in Ohio

From: Gazetteer 2000
Name :
Gallia -- U.S. County in Ohio
Population (2000) :
31069
Housing Units (2000) :
13498
Land area (2000) :
468.777081 sq. miles (1214.127014 sq. km)
Water area (2000) :
2.357820 sq. miles (6.106726 sq. km)
Total area (2000) :
471.134901 sq. miles (1220.233740 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
38.835402 N, 82.281986 W