St. Charles County, Missouri

 

Founding: 1812
Parent county: Unorganized territory

Namesake: The city of St. Charles
Seat: St. Charles (1812–)

Land area: 560 square miles

Population (2020): 405,262

Population (historic): 3,505 (1810); 7,911 (1840); 21,304 (1870); 24,474 (1900); 24,354 (1930)

Periods of population growth: pre-1810–1880; 1890–1910; 1920–2020

Subdivisions: 15 cities; two villages; one CDP

National Register listings: 36

Pre-1940 residences (estimated): 3,283 (2.1%)
Pre-1940 housing survival rate: 46.2%
Pre-1860 housing survival rate (1940): 15.1%

Farm housing in disrepair (1950): 14%

Nonfarm housing in disrepair (1950): 7%

Average farmhouse value (1930): $1,835
Average outbuilding value (1930): $1,297
Average farmhouse size (1940): 5.1 rooms
Number of farms (1920): 2,165
Average farm size (1920): 106.2 acres
Sources of settlement: Germany, Illinois, Virginia, and Kentucky
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St. Charles

Namesake: St. Charles Borromeo, Italian archbishop

Founding: circa 1769 (founding); 1806 (post office); 1809 (incorporation)

Population (2020): 70,493

Population (historic): 1,498 (1850); 5,570 (1870); 6,161 (1890); 9,437 (1910); 10,491 (1930)

Periods of population growth: pre-1850–1870; 1880–1910; 1920–2020
Pre-1940 residences (estimated): 1,607 (5.1%)
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Outstanding Buildings

1. *Nathan Boone House (c. 1816). 1868 Road F. Federal.
2. House (c. 1845). 6900 Road N.
3. Anton Kersting Log House (c. 1830). 2967 Road P.
4. *Samuel Watson House (1859). 205 South Duchesne Drive. Italianate.
5. George Gerdemann Farm. 1200 Foristell Road.
6. Immaculate Conception Catholic Church (c. 1910). 2083 Hanley Road. Gothic Revival.
7. *Harold–Knoerschild Log House (c. 1836/1882). 199 Jackson Street.
8. St. Joseph Catholic Church (1870–1872). 1390 Josephville Road. Romanesque.
9. *Abraham Matson House (c. 1840). 177 Matson Hill Road. Greek Revival.
10. House (c. 1880). 724 Spencer Road. Italianate.
11. Farm (c. 1870). 8015 State Route 94.
12. *Daniel Hays Farm (c. 1830). 3572 Stub Road.