County Maps US

Montmorency County, Michigan

A county in Michigan, ranked 76 of 83 by population.

CountyFIPS 26119

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

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Population
9,842
+673 (+7.3%) since 2020
Land area
546.7
square miles. A further 2.8% of the total area is water
Population density
18.0
people per square mile, computed rather than published
County seat
Atlanta
Seat of county government.
Established
1881
144 years ago
Largest city
Hillman village
Population 664 for the whole place, which extends beyond this county.

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 Montmorency 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 Montmorency 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 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 Montmorency 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
Population9,84276th of 832,420th of 3,144
Land area546.7 sq mi61st of 831,909th of 3,144
Population density18.0 per sq mi72nd of 832,306th of 3,144
Median household income$49,75681st of 832,784th of 3,143

Full data for Montmorency County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population9,842Vintage 2025 Population Estimates
Population in 20209,169Vintage 2025 Population Estimates
2020 estimates base?9,157Vintage 2025 Population Estimates
Land area546.7 sq mi2025 Gazetteer Files
Water area16.0 sq mi2025 Gazetteer Files
Total area562.6 sq mi2025 Gazetteer Files
Population density?18.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$49,756American Community Survey 2020-2024 5-Year Estimates
Median home value$158,600American Community Survey 2020-2024 5-Year Estimates
Median age56.9American Community Survey 2020-2024 5-Year Estimates
Households4,921American Community Survey 2020-2024 5-Year Estimates
Housing units8,925American 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
-119
62 births, 181 deaths
Net migration
+174
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 Montmorency 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
Alpena CountyMichigan24 mi28,853
Oscoda CountyMichigan24 mi8,723
Otsego CountyMichigan24 mi26,080
Presque Isle CountyMichigan18 mi13,128
Cheboygan CountyMichigan5.9 mi25,793
Crawford CountyMichigana single point13,722

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.