Jackson County, Michigan

Founding: 1832 (declared in 1829)
Parent county: Unorganized territory

Namesake: Andrew Jackson, U.S. president
Seat: Jackson (1832–)

Land area: 702 square miles

Population (2020): 160,366

Population (historic): 13,130 (1840); 26,671 (1860); 42,031 (1880); 48,222 (1900); 92,304 (1930)

Periods of population growth: pre-1840–1980; 1990–2020

Subdivisions: One city; six villages; five CDPs; 19 townships

Pre-1940 residences (estimated): 15,395 (22.2%)
Pre-1940 housing survival rate: 58.5%
Pre-1860 housing survival rate (1940): 21.3%

Farm housing in disrepair (1950): 12.3%

Nonfarm housing in disrepair (1950): 5.8%
Average farmhouse value (1930): $2,089
Average outbuilding value (1930): $1,793

Average farmhouse size (1940): 7 rooms
Number of farms (1920): 3,544
Average farm size (1920): 83.5 acres
Sources of settlement: New York, England, Ireland, Ohio, and Canada
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Jackson

Namesake: Andrew Jackson, U.S. president

Founding: 1829 (platting as Jacksonopolis); 1832 (post office); 1843 (incorporation)

Population (2020): 31,309

Population (historic): 2,363 (1850); 14,447 (1870); 25,180 (1900); 55,187 (1930)

Periods of population growth: pre-1850–1930; 1940s
Pre-1940 residences (estimated): 7,937 (52.2%)
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