St. Joseph County, Michigan

Founding: 1829
Parent county: Unorganized territory

Namesake: The St. Joseph River
Seat: Centreville (1831–)

Land area: 501 square miles

Population (2020): 60,939

Population (historic): 1,313 (1830); 21,262 (1860); 23,889 (1900); 30,618 (1930)

Periods of population growth: pre-1830–1880; 1890–2000

Subdivisions: Two cities; six villages; 16 townships

Pre-1940 residences (estimated): 5,897 (21.2%)
Pre-1940 housing survival rate: 61.3%
Pre-1860 housing survival rate (1940): 19%

Farm housing in disrepair (1950): 6.5%

Nonfarm housing in disrepair (1950): 6.4%
Average farmhouse value (1930): $1,593
Average outbuilding value (1930): $1,440

Average farmhouse size (1940): 7 rooms
Number of farms (1920): 2,436
Average farm size (1920): 96.3 acres
Sources of settlement: New York, Pennsylvania, Ohio, and Germany
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Centreville

Namesake: The village's location within the county

Founding: 1831 (platting); 1833 (post office); 1837 (incorporation)

Population (2020): 1,319

Population (historic): 473 (1860); 705 (1880); 645 (1900); 820 (1930)

Periods of population growth: pre-1860–1870; 1880s; 1910–1930; 1940–2000
Pre-1940 residences (estimated): 108 (18.8%)
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