'Union County, OH' definitions:
Union -- U.S. County in Ohio
From: Gazetteer 2000
Name :
Union -- U.S. County in Ohio
Population (2000) :
40909
Housing Units (2000) :
15217
Land area (2000) :
436.651495 sq. miles (1130.922131 sq. km)
Water area (2000) :
0.325673 sq. miles (0.843490 sq. km)
Total area (2000) :
436.977168 sq. miles (1131.765621 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
40.271860 N, 83.366607 W