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

National Register listings: Nine

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)

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.