Carroll County, Missouri

Founding: 1833
Parent county: Unorganized territory

Namesake: Charles Carroll, Maryland politician
Seat: Carrollton (1833–)

Land area: 695 square miles

Population (2020): 8,495

Population (historic): 2,423 (1840); 9,763 (1860); 23,274 (1880); 26,455 (1900); 19,940 (1930)

Periods of population growth: pre-1840–1900

Subdivisions: Seven cities; one village; 20 townships

National Register listings: Six

Pre-1940 residences (estimated): 1,227 (26.4%)
Pre-1940 housing survival rate: 29.2%
Pre-1860 housing survival rate (1940): 6.7%

Farm housing in disrepair (1950): 9.5%

Nonfarm housing in disrepair (1950): 11.1%

Average farmhouse value (1930): $1,443
Average outbuilding value (1930): $1,094

Average farmhouse value (1940): 5.2 rooms
Number of farms (1920): 3,077
Average farm size (1920): 123.3 acres
Sources of settlement: Ohio, Kentucky, Illinois, Indiana, Tennessee, and Virginia

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Carrollton

Namesake: Charles Carroll, Maryland politician

Founding: 1833 (platting); 1834 (post office)

Population (2020): 3,514

Population (historic): 738 (1860); 2,313 (1880); 3,854 (1900); 4,058 (1930)

Periods of population growth: pre-1860–1890; 1920–1970
Pre-1940 residences (estimated): 437 (22.1%)

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Outstanding Buildings

1. *Shinn House (c. 1885). 23085 Road 276. Carrollton. Eastlake.