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County · code 26045

Eaton CountyMichigan

Eaton County is a county in Michigan, with its county seat in Charlotte. It was created on October 29, 1829, and named after John Eaton.

  • Founded1829
  • County seatCharlotte
  • Named forJohn Eaton
  • Land area575 sq mi + 4.2 sq mi water
  • Population109,175 2020 Census
  • Parcels mapped46,448 checked 15 October 2026
Open the free map Click any parcel in Eaton County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

IoniaInghamBarry Charlotte Census outline · seat marked

Where it is

Eaton 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 CountyEmmet CountyGenesee CountyGladwin CountyGogebic CountyGrand Traverse CountyGratiot CountyHillsdale CountyHoughton CountyHuron CountyIngham CountyIonia CountyIosco CountyIron 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 CountyEaton County Eaton
Counties of Michigan · Eaton highlighted

History

Formed in 1829 from Oakland County

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

Eaton County was created by Michigan Territory from Non-County Area 2 attached to Oakland on October 29, 1829, but was not fully organized or attached to any county at that time. It was temporarily attached to St. Joseph County for administrative and judicial purposes starting November 4, 1829, then detached and attached to Kalamazoo County on October 1, 1830. Eaton County was fully organized and detached from Kalamazoo County on December 29, 1837.

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

  1. 1829
    Eaton County created Eaton created by Michigan Territory from Non-County Area 2 attached to Oakland; Eaton not fully organized, not attached.
    from Oakland
    · Mich. Terr. Laws, 2:sec. 3/p. 735
  2. 1829
    Changed Eaton attached to St. Joseph for administrative and judicial purposes.
    St. Joseph
    · Mich. Terr. Laws, 2:744-746
  3. 1830
    Changed Eaton detached from St. Joseph, attached to Kalamazoo "for judicial purposes."
    St. JosephKalamazoo
    · Mich. Terr. Laws, 3:836-837
  4. 1837
    Changed Eaton fully organized, detached from Kalamazoo.
    Kalamazoo
    · Mich. Acts 1837, adj. sess., no. 8/p. 9

Land and parcels

What the maps cover in Eaton

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

Eaton by the Census

Population
109,175 2020 Census count
Housing units
47,497 2020 Census count
Land area
575 square miles
Water area
4.2 square miles
People per sq mi
190 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

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Permits

Zoning and code

GIS and maps

County government

See your own lot on these maps

Open Eaton County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Eaton County

When was Eaton County founded?
Eaton County was founded in 1829, formed from Oakland County, and named after John Eaton.
What is the county seat of Eaton County?
The county seat of Eaton County is Charlotte.
Is there an online parcel map for Eaton County?
Yes. Eaton County publishes a parcel map of 46,448 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Eaton County's boundary or name changed?
Eaton County was created in 1829 from Oakland County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Kalamazoo County and St. Joseph County.
Who issues building permits in Eaton County?
The county's page on building permits: Permit Cancellation. Inside a city or town, ask that city first.
Is my lot in a flood zone?
We do not have flood maps for Eaton 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