Geography

According to the U.S. Census Bureau, the county has a total area of 1,211 square miles (3,136.5 km2), of which 1,166 square miles (3,019.9 km2) is land and 45 square miles (116.5 km2) (3.69%) is water.

Highways
Entering Iron County on US 2 / US 141

US Highways

    * US 2.svg US 2
    * US 141.svg US 141


Michigan State Trunklines

    * M-69.svg M-69
    * M-73.svg M-73
    * M-189.svg M-189


Federal Forest Highways

    * Forest Route 16.svg Federal Forest Highway 16 (FFH-16)


Adjacent counties

    * Houghton County (north)
    * Baraga County (north)
    * Marquette County (northeast)
    * Ontonagon County (northwest)
    * Dickinson County (east)
    * Gogebic County (west)
    * Florence County, Wisconsin (southeast)
    * Forest County, Wisconsin (south)
    * Vilas County, Wisconsin (southwest)

    Ontonagon County     Houghton County and Baraga County     Marquette County    
Gogebic County         Dickinson County
   Iron County, Michigan   
Vilas County, Wisconsin     Forest County, Wisconsin     Florence County, Wisconsin

National protected area

    * Ottawa National Forest (part)