Osage County, Missouri

Founding: 1841
Parent county: Gasconade

Namesake: The Osage River
Seat: Linn (1843–)

Land area: 604 square miles

Population (2020): 13,274

Population (historic): 6,704 (1850); 10,793 (1870); 13,080 (1890); 14,283 (1910); 12,462 (1930)

Periods of population growth: pre-1850–1910; 1960–2010

Subdivisions: Four cities; two villages; six townships

Pre-1940 residences (estimated): 922 (14%)
Pre-1940 housing survival rate: 42.8%
Pre-1860 housing survival rate (1940): 8.3%

Farm housing in disrepair (1950): 15%

Nonfarm housing in disrepair (1950): 10%

Average farmhouse value (1930): $908
Average outbuilding value (1930): $788

Average farmhouse size (1940): 4.7 rooms
Number of farms (1920): 1,979
Average farm size (1920): 80.7 acres
Sources of settlement: Germany and Tennessee

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Linn

Namesake: Lewis Linn, Missouri politician

Founding: 1843 (platting); 1844 (post office); 1844 (incorporation)

Population (2020): 1,350

Population (historic): 491 (1900); 532 (1910); 441 (1920); 555 (1930)

Periods of population growth: pre-1900–1910; 1920–1970; 1990–2010
Pre-1940 residences (estimated): 63 (8.3%)

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Outstanding Buildings

1. Frederick Busch Farm (1876). 1608 Road N. Crawford.
2. Osage County Infirmary (1893). 116 Ely Manor Lane. Crawford.
3. Conrad Fechtel Farm (c. 1880). 40 Cottonwood Trails Lane. Washington.
4. William Huber Farm (1881). 27 Road 501. Washington. Gothic Revival.
5. Schmitz House (c. 1850). 1004 US Highway 63. Washington.

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