'Boone County, IA' definitions:

Boone -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Boone -- U.S. County in Iowa
Population (2000) :
26224
Housing Units (2000) :
10968
Land area (2000) :
571.460217 sq. miles (1480.075104 sq. km)
Water area (2000) :
2.053112 sq. miles (5.317536 sq. km)
Total area (2000) :
573.513329 sq. miles (1485.392640 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
42.045378 N, 93.922512 W