'Allen County, OH' definitions:

Allen -- U.S. County in Ohio

From: Gazetteer 2000
Name :
Allen -- U.S. County in Ohio
Population (2000) :
108473
Housing Units (2000) :
44245
Land area (2000) :
404.425956 sq. miles (1047.458373 sq. km)
Water area (2000) :
2.456022 sq. miles (6.361068 sq. km)
Total area (2000) :
406.881978 sq. miles (1053.819441 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
40.765518 N, 84.116900 W