Perry County, Illinois

Founding: 1827
Parent counties: Jackson and Randolph

Namesake: Oliver Hazard Perry, U.S. naval commander
Seat: Pinckneyville (1827–)

Land area: 442 square miles

Population (2020): 20,945

Population (historic): 1,215 (1830); 5,278 (1850); 13,723 (1870); 19,830 (1900); 22,767 (1930)

Periods of population growth: pre-1830–1920; 1930s; 1960–1980; 1990s

Subdivisions: Two cities; four villages

National Register listings: Two

Pre-1940 residences (estimated): 2,080 (21.7 %)
Pre-1940 housing survival rate: 40%
Pre-1860 housing survival rate (1940): 6.7%

Farm housing in disrepair (1950): 13.3%

Nonfarm housing in disrepair (1950): 13.2%

Average farmhouse value (1930): $954
Average outbuilding value (1930): $609

Average farmhouse size (1940): 5.1 rooms
Number of farms (1920): 1,775
Average farm size (1920): 99.1 acres
Sources of settlement: Germany, Tennessee, Kentucky, and Ohio
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Pinckneyville

Namesake: Charles Pinckney, South Carolina politician

Founding: 1827 (platting); 1827 (post office); 1861 (incorporation)

Population (2020): 5,066

Population (historic): 436 (1860); 964 (1880); 2,357 (1900); 3,046 (1930)

Periods of population growth: pre-1860–1910; 1920–1960; 1960s; 1980–2010
Pre-1940 residences (estimated): 556 (34.6%)
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Outstanding Buildings

1. *Swanwick Farm (c. 1860). Bluebell Road, north of Geranium Road. Italianate. Razed.