Kent County, Michigan

Founding: 1836 (declared in 1831)
Parent county: Unorganized territory

Namesake: James Kent, New York jurist
Seat: Grand Rapids (1836–)

Land area: 847 square miles

Population (2020): 657,974

Population (historic): 2,587 (1840); 30,716 (1860); 73,253 (1880); 129,714 (1900); 240,511 (1930)

Periods of population growth: pre-1840–2020

Subdivisions: Nine cities; five villages; five CDPs; 21 townships

Pre-1940 residences (estimated): 45,261 (17.4%)
Pre-1940 housing survival rate: 57.8%
Pre-1860 housing survival rate (1940): 14.3%

Farm housing in disrepair (1950): 9.5%

Nonfarm housing in disrepair (1950): 4.3%
Average farmhouse value (1930): $1,804
Average outbuilding value (1930): $1,780
Average farmhouse size (1940): 6.7 rooms
Number of farms (1920): 5,605
Average farm size (1920): 62.9 acres
Sources of settlement: New York, Holland, Canada, Germany, Ohio, Ireland, England, and Pennsylvania
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Grand Rapids

Namesake: Rapids along the Grand River

Founding: 1831 (platting); 1831 (post office); 1838 (incorporation)

Population (2020): 198,917

Population (historic): 2,686 (1850); 16,507 (1870); 60,278 (1890); 112,571 (1910); 168,592 (1930)

Periods of population growth: 1831–1930; 1940–1970; 1980–2000; 2010s
Pre-1940 residences (estimated): 32,072 (37.5%)
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