County Maps US

Eaton County, Michigan

A county in Michigan, ranked 19 of 83 by population.

CountyFIPS 26045

Within Michigan
Eaton County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Charlotte, the county seat, located via the 2025 Census Gazetteer.

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Population
109,581
+407 (+0.4%) since 2020
Land area
575.2
square miles. A further 0.7% of the total area is water
Population density
191
people per square mile, computed rather than published
County seat
Charlotte
Seat of county government.
Established
1837
188 years ago
Largest city
Charlotte city
Population 9,305.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Eaton County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Eaton County, Michigan from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 799 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Eaton County ranks

Position among the 83 counties of Michigan, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MichiganNationally
Population109,58119th of 83581st of 3,144
Land area575.2 sq mi37th of 831,725th of 3,144
Population density191 per sq mi19th of 83578th of 3,144
Median household income$79,59710th of 83603rd of 3,143

Full data for Eaton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population109,581Vintage 2025 Population Estimates
Population in 2020109,174Vintage 2025 Population Estimates
2020 estimates base?109,188Vintage 2025 Population Estimates
Land area575.2 sq mi2025 Gazetteer Files
Water area4.2 sq mi2025 Gazetteer Files
Total area579.4 sq mi2025 Gazetteer Files
Population density?191 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$79,597American Community Survey 2020-2024 5-Year Estimates
Median home value$216,900American Community Survey 2020-2024 5-Year Estimates
Median age41.4American Community Survey 2020-2024 5-Year Estimates
Households45,428American Community Survey 2020-2024 5-Year Estimates
Housing units47,753American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-162
1,031 births, 1,193 deaths
Net migration
+564
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Eaton County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Barry CountyMichigan24 mi63,991
Ingham CountyMichigan24 mi289,709
Calhoun CountyMichigan18 mi133,408
Ionia CountyMichigan12 mi66,557
Clinton CountyMichigan12 mi80,432
Jackson CountyMichigan6.0 mi159,552

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 83 counties of Michigan

Open the interactive Michigan county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.