County Maps US

Branch County, Michigan

A county in Michigan, ranked 37 of 83 by population.

CountyFIPS 26023

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

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Population
45,993
+1,116 (+2.5%) since 2020
Land area
506.4
square miles. A further 2.6% of the total area is water
Population density
90.8
people per square mile, computed rather than published
County seat
Coldwater
Seat of county government.
Established
1829
196 years ago
Largest city
Coldwater city
Population 14,216.

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 Branch 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 Branch 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 728 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 Branch 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
Population45,99337th of 831,074th of 3,144
Land area506.4 sq mi69th of 832,050th of 3,144
Population density90.8 per sq mi34th of 83986th of 3,144
Median household income$63,72442nd of 831,728th of 3,143

Full data for Branch County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population45,993Vintage 2025 Population Estimates
Population in 202044,877Vintage 2025 Population Estimates
2020 estimates base?44,870Vintage 2025 Population Estimates
Land area506.4 sq mi2025 Gazetteer Files
Water area13.3 sq mi2025 Gazetteer Files
Total area519.7 sq mi2025 Gazetteer Files
Population density?90.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,724American Community Survey 2020-2024 5-Year Estimates
Median home value$162,500American Community Survey 2020-2024 5-Year Estimates
Median age40.6American Community Survey 2020-2024 5-Year Estimates
Households16,906American Community Survey 2020-2024 5-Year Estimates
Housing units20,971American 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
+126
633 births, 507 deaths
Net migration
-158
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 6 areas bordering Branch 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
Calhoun CountyMichigan24 mi133,408
Hillsdale CountyMichigan22 mi45,738
St. Joseph CountyMichigan22 mi60,968
Steuben CountyIndiana19 mi34,799
LaGrange CountyIndiana4.9 mi41,305
Kalamazoo CountyMichigana single point263,795

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.