Allegan County, Michigan

Allegan County: County in Michigan, United States

About

Allegan County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 111,408 and a population density of 23 people per km². After 10 years in 2020 county had an estimated population of 118,927 inhabitants. Its county seat is Allegan. The county was created 194 years ago in 1830.

Allegan County locator map
Location of Allegan County on Michigan map.

Quick Facts about Allegan County

Population : 118,927 (2020)
Country : United States of America
State : Michigan (United States)
Different from : Alleghany County, Allegany County, Allen Parish, Allen County, Anderson County, Anderson County, Anderson County, Allegheny County, Allegany County, Alleghany County, Anderson County, Allen County, Allen County
Area : 4748 km2
Water as percent of area : 55%
Land as percent of area : 45%
Altitude : 728 feet / 222 meters
Capital : Allegan
Establishment : January 01, 1831
Time Zone : America/Detroit
Local time : 09:43:57 (23rd January 2025)
Density : 25 Pop. per km² as of 2020
Population growth : 6.32% (2010-2020)
All Saints Episcopal Church-Saugatuck image
All Saints Episcopal Church-Saugatuck
All Saints Episcopal Church-Saugatuck image
All Saints Episcopal Church-Saugatuck image

Geography

Allegan County is located at 42°31'4"N 85°54'37"W (42.5176600, -85.9103400). It has 7 neighbors: Barry County, Kalamazoo County, Kent County, Ottawa County, Van Buren County, Kenosha County and Racine County.

Allegan County map

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The largest city of Allegan County is Holland with a population of 26,033. Other cities include, Mount Pleasant population 24,274, Allegan population 4,749, Plainwell population 3,774 and Wayland population 3,473. See all Allegan County cities & populated places.

Allegan County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Allegan County.

City Name Population Title
Holland 26,033 City in Michigan, United States
Mount Pleasant 24,274 City in Isabella County, Michigan, United States
Dorr 7,925 Township in Allegan County, Michigan
Otsego 5,923 Township in Allegan County, Michigan
Allegan 4,749 City in Michigan
Lee 4,288 Township in Allegan County, Michigan
Plainwell 3,774 City in Michigan, United States
Wayland 3,473 City in Michigan, United States
Saugatuck 3,408 City in Allegan County in the U.
Overisel 3,025 Township in Allegan County, Michigan
Fillmore 2,770 Township in Allegan County, Michigan
Ganges 2,689 Township of Michigan
Watson 2,203 Township in Allegan County, Michigan
Hamilton 1,457 Township in Allegan County, Michigan
Fennville 1,434 City in Allegan County, Michigan, United States of America
Douglas 1,354 City in Michigan, USA

Allegan County has 7 neighbours.

  • Allegan

Demographics

The population of Allegan County increased by 6.32% in 10 years.

Year Population % Change Method
2010 111,408 - census
2011 111,163 -0.22% estimation process
2012 111,499 0.3% estimation process
2013 112,009 0.46% estimation process
2014 113,349 1.18% estimation process
2015 114,112 0.67% estimation process
2016 114,979 0.75% estimation process
2017 116,368 1.19% estimation process
2018 117,173 0.69% estimation process
2019 118,081 0.77% estimation process
2020 118,927 0.71% estimation process

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People born in Allegan County (1)

American politician (Michigan) Steve Johnson was born in Allegan County

Michigan Other Counties (more counties)

County Name Population Title
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Kent County 658,708 County in Michigan, United States
Genesee County 404,794 County in Michigan, United States
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Ottawa County 294,635 County in Michigan, United States
Ingham County 290,609 County in Michigan, United States
Kalamazoo County 265,988 County in Michigan, United States
Grand Rapids 200,031 The second most populous city in Michigan.
Livingston County 192,335 County in Michigan, United States
Saginaw County 189,868 County in Michigan, United States
Muskegon County 173,883 County in Michigan, United States
Saint Clair County 159,293 County in Alabama, United States
Jackson County 156,920 County in Michigan, United States