Ralls County, Missouri

Founding: 1821
Parent county: Pike

Namesake: Daniel Ralls, Missouri politician
Seat: New London (1820–)

Land area: 470 square miles

Population (2020): 10,355

Population (historic): 4,375 (1830); 8,592 (1860); 11,838 (1880); 12,287 (1900); 10,704 (1930)

Periods of population growth: pre-1830–1890; 1900s; 1920s; 1970s; 1990–2020

Subdivisions: Three cities; one village; seven townships

Pre-1940 residences (estimated): 759 (14.6%)
Pre-1940 housing survival rate: 27%
Pre-1860 housing survival rate (1940): 15.6%

Farm housing in disrepair (1950): 17.3%

Nonfarm housing in disrepair (1950): 12%

Average farmhouse value (1930): $1,329
Average outbuilding value (1930): $942
Number of farms (1920): 1,633
Average farm size (1920): 119.3 acres
Sources of settlement: Kentucky, Illinois, Virginia, and Ohio
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New London

Namesake: London, England

Founding: 1819 (platting); 1820 (post office); 1870 (incorporation)

Population (2020): 943

Population (historic): 268 (1860); 502 (1880); 881 (1900); 900 (1930)

Periods of population growth: pre-1860–1910; 1930s; 1950–1980
Pre-1940 residences (estimated): 134 (33.1%)
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Outstanding Buildings

1. St. Paul Catholic Church (1860). End of St. Paul Road. Center. Gothic Revival.
2. James Brown House (1870–1872). 2400 Carr's Lane. Clay. Italianate.
3. John Garth House (c. 1871). 11069 New London Gravel Road. Clay. Second Empire.
4. St. Peter Catholic Church (1862). Gentry Road, west of Sydney Road. Saline. Gothic Revival.
5. Farm (c. 1900). 28035 Road B. Salt River. Queen Anne.

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