'Cass County, IA' definitions:

Cass -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Cass -- U.S. County in Iowa
Population (2000) :
14684
Housing Units (2000) :
6590
Land area (2000) :
564.328727 sq. miles (1461.604630 sq. km)
Water area (2000) :
0.679775 sq. miles (1.760610 sq. km)
Total area (2000) :
565.008502 sq. miles (1463.365240 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
41.358575 N, 94.965991 W