Effingham County, Illinois

Founding: 1831
Parent counties: Crawford and Fayette

Namesake: Unclear—perhaps Thomas Howard, Earl of Effingham
Seat: Ewington (1835–1859); Effingham (1859–)

Land area: 479 square miles

Population (2020): 34,668

Population (historic): 1,675 (1840); 7,816 (1860); 18,920 (1880); 20,465 (1900); 19,013 (1930)

Periods of population growth: pre-1840–1900; 1930s; 1950–2000; 2010s

Subdivisions: Two cities; one town; seven villages; 15 townships

National Register listings: Three

Pre-1940 residences (estimated): 2,180 (14.7%)
Pre-1940 housing survival rate: 36.2%
Pre-1860 housing survival rate (1940): 4.9%

Farm housing in disrepair (1950): 10.7%

Nonfarm housing in disrepair (1950): 6.8%

Average farmhouse value (1930): $875
Average outbuilding value (1930): $749

Average farmhouse size (1940): 5.5 rooms
Number of farms (1920): 2,223
Average farm size (1920): 101.9 acres
Sources of settlement: Germany, Ohio, and Indiana
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Effingham

Namesake: Effingham County

Founding: 1853 (platting as Broughton); 1855 (post office); 1861 (incorporation)

Population (2020): 12,252

Population (historic): 2,383 (1870); 3,260 (1890); 3,898 (1910); 4,978 (1930)

Periods of population growth: 1853–2000
Pre-1940 residences (estimated): 662 (11.7%)
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Outstanding Buildings

1. St. Aloysius Catholic Church (1893). 19812 Road 1000 East. Bishop. Romanesque.
2. St. Paul's Lutheran Church (c. 1920). 2293 US Highway 40. Mound. English Gothic.
3. St. Paul's Lutheran Church (c. 1900). 13204 Road 2300 North. St. Francis. Gothic Revival.
4. House (c. 1880). 18802 US Highway 40. St. Francis.
5. Farm (c. 1875). 15970 Road 1600 East. Teutopolis.
6. House (c. 1880). 16858 Road 1630 North. Teutopolis.