Jasper County, Illinois

Founding: 1834 (declared in 1831)
Parent counties: Clay and Crawford

Namesake: William Jasper, South Carolina soldier
Seat: Newton (1835–)

Land area: 495 square miles

Population (2020): 9,287

Population (historic): 1,472 (1840); 8,364 (1860); 14,515 (1880); 20,160 (1900); 12,809 (1930)

Periods of population growth: pre-1840–1900; 1930s; 1970s

Subdivisions: One city; six villages; 11 townships

Pre-1940 residences (estimated): 919 (21.1%)
Pre-1940 housing survival rate: 27.6%
Pre-1860 housing survival rate (1940): 1%

Farm housing in disrepair (1950): 11.3%

Nonfarm housing in disrepair (1950): 10.7%

Average farmhouse value (1930): $800
Average outbuilding value (1930): $650

Average farmhouse size (1940): 5.4 rooms
Number of farms (1920): 2,762
Average farm size (1920): 97.1 acres
Sources of settlement: Indiana, Ohio, Kentucky, and Germany
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Newton

Namesake: John Newton, South Carolina soldier

Founding: 1833 (post office); 1835 (platting); 1885 (incorporation)

Population (2020): 2,777

Population (historic): 1,168 (1880); 1,630 (1900); 2,076 (1930)

Periods of population growth: pre-1880–1910; 1930–1980
Pre-1940 residences (estimated): 305 (20.4%)
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Outstanding Buildings

1. St. Joseph Catholic Church (1901). 16987 North 200th Road. Grove. Gothic Revival.
2. Valentine Kraus Farm (c. 1870). East 500th Road, east of North 2125th Road. Sainte Marie. Razed.

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