'Iron County' definitions:

Iron -- U.S. County in Michigan

From: Gazetteer 2000
Name :
Iron -- U.S. County in Michigan
Population (2000) :
13138
Housing Units (2000) :
8772
Land area (2000) :
1166.355280 sq. miles (3020.846180 sq. km)
Water area (2000) :
44.665114 sq. miles (115.682109 sq. km)
Total area (2000) :
1211.020394 sq. miles (3136.528289 sq. km)
Located within :
Michigan (MI), FIPS 26
Location :
46.196152 N, 88.561747 W

Iron -- U.S. County in Missouri

From: Gazetteer 2000
Name :
Iron -- U.S. County in Missouri
Population (2000) :
10697
Housing Units (2000) :
4907
Land area (2000) :
551.339034 sq. miles (1427.961482 sq. km)
Water area (2000) :
0.713741 sq. miles (1.848581 sq. km)
Total area (2000) :
552.052775 sq. miles (1429.810063 sq. km)
Located within :
Missouri (MO), FIPS 29
Location :
37.539303 N, 90.743905 W

Iron -- U.S. County in Utah

From: Gazetteer 2000
Name :
Iron -- U.S. County in Utah
Population (2000) :
33779
Housing Units (2000) :
13618
Land area (2000) :
3297.975636 sq. miles (8541.717322 sq. km)
Water area (2000) :
3.865699 sq. miles (10.012113 sq. km)
Total area (2000) :
3301.841335 sq. miles (8551.729435 sq. km)
Located within :
Utah (UT), FIPS 49
Location :
37.784276 N, 113.227675 W

Iron -- U.S. County in Wisconsin

From: Gazetteer 2000
Name :
Iron -- U.S. County in Wisconsin
Population (2000) :
6861
Housing Units (2000) :
5706
Land area (2000) :
757.232077 sq. miles (1961.221992 sq. km)
Water area (2000) :
162.006563 sq. miles (419.595054 sq. km)
Total area (2000) :
919.238640 sq. miles (2380.817046 sq. km)
Located within :
Wisconsin (WI), FIPS 55
Location :
46.283595 N, 90.203904 W