Tazewell County, Illinois

Founding: 1827
Parent county: Unorganized territory

Namesake: Littleton Tazewell, Virginia governor
Seat: Mackinaw (1827–1831); Pekin (1831–)

Land area: 649 square miles

Population (2020): 131,343

Population (historic): 4,716 (1830); 12,052 (1850); 27,903 (1870); 33,221 (1900); 46,082 (1930)

Periods of population growth: pre-1830–1880; 1890–1980; 1990–2010

Subdivisions: Six cities; ten villages; one CDP; 19 townships

Pre-1940 residences (estimated): 9,375 (15.9%)
Pre-1940 housing survival rate: 48%
Pre-1860 housing survival rate (1940): 15.5%

Farm housing in disrepair (1950): 5.8%

Nonfarm housing in disrepair (1950): 8.6%

Average farmhouse value (1930): $2,561
Average outbuilding value (1930): $2,426

Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 2,536
Average farm size (1920): 131.6 acres
Sources of settlement: Germany, Ohio, Pennsylvania, New York, Ireland, Kentucky, and Virginia
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Pekin

Namesake: Beijing, China

Founding: 1829 (platting); 1832 (post office); 1839 (incorporation)

Population (2020): 31,731

Population (historic): 1,678 (1850); 5,696 (1870); 6,347 (1890); 9,897 (1910); 16,129 (1930)

Periods of population growth: pre-1850–1980; 1990–2010
Pre-1940 residences (estimated): 3,190 (21%)
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Outstanding Buildings

1. Benjamin Prettyman Farm (c. 1850). 2900 Veterans Drive. Cincinnati.
2. Abraham Chaffer House (c. 1870). 29678 US Highway 150. Deer Creek. Italianate.
3. William Verry Farm (c. 1870). 33198 Armington Road. Hittle. Italianate.
4. William Burt House (1869/1880s). 367 Horner Road. Hittle. Italianate/Eastlake.
5. John Miller Farm (c. 1880). 3910 Miller Road. Hittle. Italianate.
6. Martin Hornish Farm (c. 1875). 24454 Pleasant View Road. Washington. Italianate.

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