Macoupin County, Illinois

Founding: 1829
Parent county: Madison

Namesake: Macoupin Creek
Seat: Carlinville (1829–)

Land area: 863 square miles

Population (2020): 44,967

Population (historic): 1,990 (1830); 12,355 (1850); 32,726 (1870); 42,256 (1900); 48,703 (1930)

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

Subdivisions: Eight cities; two towns; 17 villages; 26 townships

Pre-1940 residences (estimated): 5,945 (27.4%)
Pre-1940 housing survival rate: 49.2%
Pre-1860 housing survival rate (1940): 10.7%

Farm housing in disrepair (1950): 13%

Nonfarm housing in disrepair (1950): 7.3%

Average farmhouse value (1930): $1,359
Average outbuilding value (1930): $1,210

Average farmhouse size (1940): 6 rooms
Number of farms (1920): 3,771
Average farm size (1920): 105.3 acres
Sources of settlement: Germany, Kentucky, Missouri, Ohio, Pennsylvania, Tennessee, England, and Ireland
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Carlinville

Namesake: Thomas Carlin, Illinois governor

Founding: 1828 (platting); 1830 (post office); 1865 (incorporation)

Population (2020): 5,710

Population (historic): 3,117 (1880); 3,502 (1900); 4,144 (1930)

Periods of population growth: pre-1880–1920; 1930–1970; 1990–2010
Pre-1940 residences (estimated): 969 (39.8%)
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Outstanding Buildings

1. Charles Towse Farm (c. 1855). 9316 Rinaker Road. Bird. Greek Revival.
2. John Anderson House (1883/1892). 920 West Breckinridge Street. Carlinville. Italianate/Stick.
3. Couch House (c. 1870). 12639 State Route 108. Carlinville. Italianate.
4. Josiah Whipple House (c. 1850). 218 Outer Road. Chesterfield. Greek Revival.
5. David Coop Log House. 19738 Coop's Mound Road. Shaw's Point. Razed.
6. John Binney Farm (c. 1865). 23428 Double Arch Road. Staunton. Italianate.
7. John Ryan Farm (1858–1860). 18029 County Line Road. Virden. Italianate.

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