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County · code 26071

Iron CountyMichigan

Iron County in Michigan was created on April 3, 1885, from parts of Marquette and Menominee Counties, with Crystal Falls as its county seat. The county was named after iron, a valuable mineral resource in the region.

  • Founded1885
  • County seatCrystal Falls
  • Named foriron
  • Land area1,166 sq mi + 45 sq mi water
  • Population11,631 2020 Census
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Updated

Florence, WIBaragaForest, WIDickinsonVilas, WI Crystal Falls Census outline · seat marked

Where it is

Iron on the map of Michigan

Michigan has 83 counties and county equivalents, each with its own records office. Shapes with a page are links.

Alcona CountyAlger CountyAllegan CountyAlpena CountyAntrim CountyArenac CountyBaraga CountyBarry CountyBay CountyBenzie CountyBerrien CountyBranch CountyCalhoun CountyCass CountyCharlevoix CountyCheboygan CountyChippewa CountyClare CountyClinton CountyCrawford CountyDelta CountyDickinson CountyEaton CountyEmmet CountyGenesee CountyGladwin CountyGogebic CountyGrand Traverse CountyGratiot CountyHillsdale CountyHoughton CountyHuron CountyIngham CountyIonia CountyIosco CountyIsabella CountyJackson CountyKalamazoo CountyKalkaska CountyKent CountyKeweenaw CountyLake CountyLapeer CountyLeelanau CountyLenawee CountyLivingston CountyLuce CountyMackinac CountyMacomb CountyManistee CountyMarquette CountyMason CountyMecosta CountyMenominee CountyMidland CountyMissaukee CountyMonroe CountyMontcalm CountyMontmorency CountyMuskegon CountyNewaygo CountyOakland CountyOceana CountyOgemaw CountyOntonagon CountyOsceola CountyOscoda CountyOtsego CountyOttawa CountyPresque Isle CountyRoscommon CountySaginaw CountySt. Clair CountySt. Joseph CountySanilac CountySchoolcraft CountyShiawassee CountyTuscola CountyVan Buren CountyWashtenaw CountyWayne CountyWexford CountyIron County Iron
Counties of Michigan · Iron highlighted

History

Formed in 1885 from Marquette County and Menominee County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Iron County was formed in 1885 from Marquette County and Menominee County, and named after iron. Crystal Falls is the county seat.

Deeds and plats from before 1885 for land now in Iron County may have been recorded in Marquette County and Menominee County.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1885
    Iron County created Iron created from Marquette, Menominee and all of Non-County Area 10.
    from Marquettefrom Menominee
    · Mich. Acts 1885, reg. sess., pub., no. 35, secs. 1, 19/pp. 32, 34
  2. 1891
    Lost territory Iron lost to creation of Dickinson.
    to Dickinson
    · Mich. Acts 1891, reg. sess., pub., no. 89, secs. 1, 8/pp. 98, 100
  3. 1891
    Gained territory Iron gained from Marquette.
    from Marquette
    · Mich. Acts 1891, reg. sess., pub., no. 92/p. 106
  4. 1923
    Iron County created Iron implicitly overlapped Wisconsin (Forest and Vilas Counties) when Michigan took its 1909 boundary dispute with Wisconsin to the U.S. Supreme Court and expanded its scope by claiming more territory on the Upper Peninsula and more of the waters and islands of Green Bay; Wisconsin claimed the old, established line and never lost control of the disputed area.
    from Forestfrom Vilasfrom U.s.
    · Martin, "Michigan-Wisconsin," 116, 118, 132
  5. 1926
    Changed Iron's claimed overlap of Wisconsin ended when the U.S. Supreme Court decided the dispute between Michigan and Wisconsin entirely in favor of Wisconsin.
    U.s.
    · Martin, "Michigan-Wisconsin," 141-143

Land and parcels

What the maps cover in Iron

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Iron by the Census

Population
11,631 2020 Census count
Housing units
8,878 2020 Census count
Land area
1,166 square miles
Water area
45 square miles
People per sq mi
10 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Iron County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

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Questions

Common questions about Iron County

When was Iron County founded?
Iron County was founded in 1885, formed from Marquette County and Menominee County, and named after iron.
What is the county seat of Iron County?
The county seat of Iron County is Crystal Falls.
Is there an online parcel map for Iron County?
Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Iron County's boundary or name changed?
Iron County was created in 1885 from Marquette County and Menominee County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving U.s. County, Dickinson County and Forest County.
Is my lot in a flood zone?
We do not have flood maps for Iron County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door