County Maps US

Clinton County, Michigan

A county in Michigan, ranked 25 of 83 by population.

CountyFIPS 26037

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

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Population
80,432
+1,264 (+1.6%) since 2020
Land area
567.3
square miles. A further 1.3% of the total area is water
Population density
142
people per square mile, computed rather than published
County seat
St. Johns
Seat of county government.
Established
1831
194 years ago
Largest city
St. Johns city
Population 7,780.

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 Clinton 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 Clinton 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 795 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 Clinton 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
Population80,43225th of 83730th of 3,144
Land area567.3 sq mi44th of 831,802nd of 3,144
Population density142 per sq mi23rd of 83723rd of 3,144
Median household income$88,2106th of 83345th of 3,143

Full data for Clinton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population80,432Vintage 2025 Population Estimates
Population in 202079,168Vintage 2025 Population Estimates
2020 estimates base?79,130Vintage 2025 Population Estimates
Land area567.3 sq mi2025 Gazetteer Files
Water area7.2 sq mi2025 Gazetteer Files
Total area574.6 sq mi2025 Gazetteer Files
Population density?142 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$88,210American Community Survey 2020-2024 5-Year Estimates
Median home value$259,500American Community Survey 2020-2024 5-Year Estimates
Median age41.8American Community Survey 2020-2024 5-Year Estimates
Households31,639American Community Survey 2020-2024 5-Year Estimates
Housing units33,315American 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
+1
696 births, 695 deaths
Net migration
+235
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 Clinton 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
Ionia CountyMichigan24 mi66,557
Gratiot CountyMichigan24 mi41,190
Shiawassee CountyMichigan24 mi67,681
Ingham CountyMichigan13 mi289,709
Eaton CountyMichigan12 mi109,581
Montcalm CountyMichigana single point69,406

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.