County Maps US

Gratiot County, Michigan

A county in Michigan, ranked 40 of 83 by population.

CountyFIPS 26057

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

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Population
41,190
-467 (-1.1%) since 2020
Land area
568.4
square miles. A further 0.6% of the total area is water
Population density
72.5
people per square mile, computed rather than published
County seat
Ithaca
Seat of county government.
Established
1855
170 years ago
Largest city
Alma city
Population 9,304.

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 Gratiot 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 Gratiot 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 799 by 800 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 Gratiot 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
Population41,19040th of 831,171st of 3,144
Land area568.4 sq mi41st of 831,795th of 3,144
Population density72.5 per sq mi37th of 831,155th of 3,144
Median household income$63,55643rd of 831,746th of 3,143

Full data for Gratiot County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population41,190Vintage 2025 Population Estimates
Population in 202041,657Vintage 2025 Population Estimates
2020 estimates base?41,767Vintage 2025 Population Estimates
Land area568.4 sq mi2025 Gazetteer Files
Water area3.2 sq mi2025 Gazetteer Files
Total area571.6 sq mi2025 Gazetteer Files
Population density?72.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,556American Community Survey 2020-2024 5-Year Estimates
Median home value$147,500American Community Survey 2020-2024 5-Year Estimates
Median age39.6American Community Survey 2020-2024 5-Year Estimates
Households14,775American Community Survey 2020-2024 5-Year Estimates
Housing units16,081American 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
-84
402 births, 486 deaths
Net migration
-90
More people moved out than moved in.

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

The 7 areas bordering Gratiot 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
Montcalm CountyMichigan24 mi69,406
Clinton CountyMichigan24 mi80,432
Saginaw CountyMichigan23 mi187,688
Isabella CountyMichigan12 mi64,691
Midland CountyMichigan12 mi83,754
Shiawassee CountyMichigan0.7 mi67,681
Ionia CountyMichigana single point66,557

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.