Douglas County, Illinois

Founding: 1859
Parent county: Coles

Namesake: Stephen Douglas, Illinois politician
Seat: Tuscola (1859–)

Land area: 416 square miles

Population (2020): 19,740

Population (historic): 7,140 (1860); 15,853 (1880); 19,097 (1900); 17,914 (1930)

Periods of population growth: pre-1860–1920; 1950s; 1970s; 1990–2010

Subdivisions: Four cities; five villages; nine townships

National Register listings: Four

Pre-1940 residences (estimated): 1,849 (21.9%)
Pre-1940 housing survival rate: 46.3%
Pre-1860 housing survival rate (1940): 4.6%

Farm housing in disrepair (1950): 10%

Nonfarm housing in disrepair (1950): 9.2%

Average farmhouse value (1930): $1,804
Average outbuilding value (1930): $2,231

Average farmhouse size (1940): 6.3 rooms
Number of farms (1920): 1,630
Average farm size (1920): 150.4 acres
Sources of settlement: Indiana, Ohio, and Kentucky
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Tuscola

Namesake: Unclear—probably a Native American word of disputed origin

Founding: 1857 (platting); 1857 (post office); 1861 (incorporation)

Population (2020): 4,636

Population (historic): 1,457 (1880); 2,569 (1900); 2,569 (1930)

Periods of population growth: pre-1880–1900; 1910–1970; 1980–2020
Pre-1940 residences (estimated): 357 (15.8%)
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Outstanding Buildings

1. *Jacob Moore Farm (1873). 614 East 300 North. Arcola. Italianate.
2. *Malden Jones Farm (1858). 609 North 475 East. Bourbon. Italianate. Razed.
3. *Robert Patterson House (1882). 979 North 1500 East. Camargo. Second Empire/Gothic Revival.
4. *Alexander Bragg House (1876). 1500 East 1050 North. Camargo. Italianate.
5. *George Henson House (1871/1900). 103 North Henson Road. Camargo. Italianate/Queen Anne.
6. *Sunny Slope / Milton Henson Estate (c. 1895). 25 South Henson Road. Camargo. Queen Anne.
7. *Isaac Burgett Farm (1874). Road 2150 East, north of East 600 North. Sargent. Italianate. Razed.