Cities in Iron County, Michigan by Population (2024)

There are 7 cities in Iron County, Michigan.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Iron River1Michigan3,0403,0080.26%4516.74
Crystal Falls2Michigan1,6161,6000.25%4633.49
Caspian3Michigan8208100.24%5751.43
Republic4Michigan525539-0.57%1453.62
Gaastra5Michigan3213170.31%1961.64
Amasa6Michigan2722423.03%674.04
Alpha7Michigan1241230%1320.94

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Iron County, Michigan?

Iron River is the largest city in Iron County.

What is the smallest city in Iron County, Michigan?

Alpha is the smallest city in Iron County.

How many cities are in Iron County?

There are 7 cities in Iron County, Michigan.

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