Ogemaw County, Michigan

A county in Michigan, ranked 64 of 83 by population.

CountyFIPS 26129

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

Download SVGFull Michigan map downloads

Population
21,121
+340 (+1.6%) since 2020
Land area
563.5
square miles. A further 2.0% of the total area is water
Population density
37.5
people per square mile, computed rather than published
County seat
West Branch
Seat of county government.
Established
1875
150 years ago
Largest city
West Branch city
Population 2,370.

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 Ogemaw 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 Ogemaw 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 Ogemaw 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
Population21,12164th of 831,770th of 3,144
Land area563.5 sq mi52nd of 831,829th of 3,144
Population density37.5 per sq mi59th of 831,732nd of 3,144
Median household income$54,66674th of 832,496th of 3,143

Full data for Ogemaw County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population21,121Vintage 2025 Population Estimates
Population in 202020,781Vintage 2025 Population Estimates
2020 estimates base?20,769Vintage 2025 Population Estimates
Land area563.5 sq mi2025 Gazetteer Files
Water area11.4 sq mi2025 Gazetteer Files
Total area575 sq mi2025 Gazetteer Files
Population density?37.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$54,666American Community Survey 2020-2024 5-Year Estimates
Median home value$154,900American Community Survey 2020-2024 5-Year Estimates
Median age51.2American Community Survey 2020-2024 5-Year Estimates
Households9,370American Community Survey 2020-2024 5-Year Estimates
Housing units15,325American 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
-131
199 births, 330 deaths
Net migration
+214
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 7 areas bordering Ogemaw 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
Iosco CountyMichigan24 mi25,266
Roscommon CountyMichigan24 mi23,914
Oscoda CountyMichigan24 mi8,723
Arenac CountyMichigan14 mi15,068
Gladwin CountyMichigan10 mi26,077
Alcona CountyMichigana single point10,556
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.