Allegan County, Michigan

Founding: 1835 (declared in 1831)
Parent county: Unorganized territory

Namesake: A neologism coined by Henry Schoolcraft
Seat: Allegan (1835–)

Land area: 825 square miles

Population (2020): 120,502

Population (historic): 1,783 (1840); 16,087 (1860); 37,815 (1880); 38,812 (1900); 38,974 (1930)

Periods of population growth: pre-1840–1890; 1900s; 1920–2020

Subdivisions: Seven cities; two villages; 24 townships

Pre-1940 residences (estimated): 9,532 (18.5%)
Pre-1940 housing survival rate: 67%
Pre-1860 housing survival rate (1940): 14.8%

Farm housing in disrepair (1950): 9.1%

Nonfarm housing in disrepair (1950): 7.4%
Average farmhouse value (1930): $1,547
Average outbuilding value (1930): $1,358

Average farmhouse size (1940): 6.5 rooms
Number of farms (1920): 5,734
Average farm size (1920): 57.1 acres
Sources of settlement: New York, Ohio, Holland, Canada, Germany, England, and Pennsylvania

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Allegan

Namesake: Allegan County

Founding: 1833 (platting); 1833 (post office); 1838 (incorporation)

Population (2020): 5,222

Population (historic): 2,374 (1870); 2,669 (1890); 3,419 (1910); 3,941 (1930)

Periods of population growth: pre-1870; 1880s; 1900–1960; 1970s; 1990–2020
Pre-1940 residences (estimated): 683 (38.1%)

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