'Canyon County, ID' definitions:

Canyon -- U.S. County in Idaho

From: Gazetteer 2000
Name :
Canyon -- U.S. County in Idaho
Population (2000) :
131441
Housing Units (2000) :
47965
Land area (2000) :
589.718245 sq. miles (1527.363178 sq. km)
Water area (2000) :
13.791227 sq. miles (35.719112 sq. km)
Total area (2000) :
603.509472 sq. miles (1563.082290 sq. km)
Located within :
Idaho (ID), FIPS 16
Location :
43.618140 N, 116.673633 W