Clinton County, Missouri

Founding: 1833
Parent county: Unorganized territory

Namesake: DeWitt Clinton, New York governor
Seat: Plattsburg (1833–)

Land area: 419 square miles

Population (2020): 21,184

Population (historic): 2,724 (1840); 7,848 (1860); 16,073 (1880); 17,363 (1900); 13,505 (1930)

Periods of population growth: pre-1840–1900; 1960–2020

Subdivisions: Five cities; one village; nine townships

National Register listings: One

Pre-1940 residences (estimated): 1,751 (19.5%)
Pre-1940 housing survival rate: 44.9%
Pre-1860 housing survival rate (1940): 7.6%

Farm housing in disrepair (1950): 12.2%

Nonfarm housing in disrepair (1950): 9%

Average farmhouse value (1930): $1,847
Average outbuilding value (1930): $1,392
Average farmhouse size (1940): 5.7 rooms
Number of farms (1920): 1,576
Average farm size (1920): 148.4 acres
Sources of settlement: Kentucky, Virginia, Ohio, Pennsylvania, and Illinois
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Plattsburg

Namesake: Plattsburgh, New York

Founding: 1834 (platting as Concord); 1835 (post office); 1861 (incorporation)

Population (2020): 2,222

Population (historic): 692 (1860); 1,344 (1880); 1,878 (1900); 1,672 (1930)

Periods of population growth: pre-1860–1870; 1880–1900; 1910s; 1930s; 1950–2000
Pre-1940 residences (estimated): 337 (30.2%)
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