'Teton County, ID' definitions:

Teton -- U.S. County in Idaho

From: Gazetteer 2000
Name :
Teton -- U.S. County in Idaho
Population (2000) :
5999
Housing Units (2000) :
2632
Land area (2000) :
450.363685 sq. miles (1166.436540 sq. km)
Water area (2000) :
0.208215 sq. miles (0.539274 sq. km)
Total area (2000) :
450.571900 sq. miles (1166.975814 sq. km)
Located within :
Idaho (ID), FIPS 16
Location :
43.720419 N, 111.144179 W