'Allen, IN' definitions:

Allen -- U.S. County in Indiana

From: Gazetteer 2000
Name :
Allen -- U.S. County in Indiana
Population (2000) :
331849
Housing Units (2000) :
138905
Land area (2000) :
657.249713 sq. miles (1702.268870 sq. km)
Water area (2000) :
2.852899 sq. miles (7.388974 sq. km)
Total area (2000) :
660.102612 sq. miles (1709.657844 sq. km)
Located within :
Indiana (IN), FIPS 18
Location :
41.090284 N, 85.100068 W