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Mountain Iron
This city is founded on the taconite iron ore deposits discovered by Leonidas Merritt in the 1880s.
This city is founded on the taconite iron ore deposits discovered by Leonidas Merritt in the 1880s.
Motto(s): 
Taconite Capital of the World
Location of the city of Mountain Ironwithin Saint Louis County, Minnesota
Location of the city of Mountain Iron
within Saint Louis County, Minnesota
Country United States
State Minnesota
County Saint Louis
Founded 1892
Incorporated (village) November 28, 1892
Incorporated (city) June 20, 1913
Area
 • Total 70.89 sq mi (183.61 km2)
 • Land 68.11 sq mi (176.40 km2)
 • Water 2.79 sq mi (7.21 km2)
Elevation
1,480 ft (451 m)
Population
 (2020)
 • Total 2,878
 • Estimate 
(2022)
2,860
 • Density 42.26/sq mi (16.32/km2)
Time zone UTC−6 (Central (CST))
 • Summer (DST) UTC−5 (CDT)
ZIP Codes
55768 and 55792
Area code(s) 218
FIPS code 27-44548
GNIS feature ID 0661972
Sales tax 7.375%

Mountain Iron is a city in Saint Louis County, Minnesota, in the United States. It is located in the middle of the Mesabi Range, an area famous for its iron ore. In 2020, about 2,878 people lived here.

U.S. Highway 169 is the main road that goes through Mountain Iron. The city's special saying, or motto, is "Taconite Capital of the World." This is because a large mine called Minntac, owned by the United States Steel Corporation, is located nearby.

Mountain Iron is one of the "Quad Cities." The other cities in this group are Virginia, Eveleth, and Gilbert.

History of Mountain Iron

Mountain Iron started in 1892 as a small village for miners. It was part of a bigger area called Nichols Township. The village got its name from the Mountain Iron Mine, which was very important nearby.

Later, in 1972, Mountain Iron officially became a city. This was a big step for the community.

Mountain Iron Town Hall
Mountain Iron power plant building and village hall building (2020)

Geography and Location

Mountain Iron covers a total area of about 71.31 square miles (183.61 square kilometers). Most of this area, about 68.52 square miles (176.40 square kilometers), is land. The rest, about 2.79 square miles (7.21 square kilometers), is water.

Population and People

Historical population
Census Pop.
1900 470
1910 1,343 185.7%
1920 1,546 15.1%
1930 1,349 −12.7%
1940 1,492 10.6%
1950 1,377 −7.7%
1960 1,808 31.3%
1970 1,698 −6.1%
1980 4,134 143.5%
1990 3,362 −18.7%
2000 2,999 −10.8%
2010 2,869 −4.3%
2020 2,878 0.3%
2022 (est.) 2,860 −0.3%
U.S. Decennial Census
2020 Census

How Many People Live Here?

In 2010, there were 2,869 people living in Mountain Iron. These people lived in 1,336 homes. About 40.4% of these homes were not families, meaning people lived alone or with roommates.

The average age of people in the city was 45.4 years old. About 20.7% of the people were under 18 years old. Also, about 17.4% of the people were 65 years old or older. The number of males and females in the city was almost equal.

See also

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