Adams -- U.S. County in Idaho Population (2000): 3476 Housing Units (2000): 1982 Land area (2000): 1364.577757 sq. miles (3534.240016 sq. km) Water area (2000): 5.426892 sq. miles (14.055584 sq. km) Total area (2000): 1370.004649 sq. miles (3548.295600 sq. km) Located within: Idaho (ID), FIPS 16 Location: 44.917815 N, 116.392914 W Headwords: Adams Adams, ID Adams County Adams County, ID