'Custer County, ID' definitions:

Custer -- U.S. County in Idaho

From: Gazetteer 2000
Name :
Custer -- U.S. County in Idaho
Population (2000) :
4342
Housing Units (2000) :
2983
Land area (2000) :
4925.445220 sq. miles (12756.844014 sq. km)
Water area (2000) :
11.344866 sq. miles (29.383068 sq. km)
Total area (2000) :
4936.790086 sq. miles (12786.227082 sq. km)
Located within :
Idaho (ID), FIPS 16
Location :
44.211630 N, 114.139033 W