Clay County, Missouri

Founding: 1822
Parent counties: Ray and unorganized territory

Namesake: Henry Clay, Kentucky politician
Seat: Liberty (1822–)

Land area: 397 square miles

Population (2020): 253,335

Population (historic): 5,338 (1830); 10,382 (1850); 15,564 (1870); 18,903 (1900); 26,811 (1930)

Periods of population growth: pre-1830–1890; 1900–2020

Subdivisions: 12 cities; seven villages; seven townships

Pre-1940 residences (estimated): 4,526 (4.7%)
Pre-1940 housing survival rate: 47.8%
Pre-1860 housing survival rate (1940): 10.6%

Farm housing in disrepair (1950): 9.1%

Nonfarm housing in disrepair (1950): 6.1%

Average farmhouse value (1930): $1,937
Average outbuilding value (1930): $1,178
Average farmhouse size (1940): 5.1 rooms
Number of farms (1920): 1,973
Average farm size (1920): 102.2 acres
Sources of settlement: Kentucky, Virginia, and Ohio
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Liberty

Namesake: The concept of liberty

Founding: 1822 (platting); 1822 (post office); 1829 (incorporation)

Population (2020): 30,167

Population (historic): 827 (1850); 1,700 (1870); 2,558 (1890); 2,980 (1910); 3,516 (1930)

Periods of population growth: pre-1850–1870; 1880s; 1900–2020
Pre-1940 residences (estimated): 911 (7.7%)
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Outstanding Buildings

1. Adkins–Compton Log House (c. 1829). 5410 Oak Ridge Road. Chouteau.
2. Christopher Russell House (c. 1875). 4319 North Holmes Street. Gallatin. Italianate.
3. Jonathan Atkins House (c. 1826/1853). 4109 Pleasant Valley Road. Gallatin.
4. George Claybrook House (c. 1858). 21011 Jesse James Farm Road. Kearney. Greek Revival. Razed.
5. John Wilkerson House (c. 1840). 15813 Plattsburg Road. Kearney.
6. Woodneath / Finetta Arnold House (1855–1856). 8900 Flintlock Road. Liberty. Greek Revival.
7. Whitehall / Darwin Adkins House (c. 1855). 1769 Oak Leaf Drive. Liberty. Greek Revival.
8. Odd Fellows Home (1900). 1325 Odd Fellows Road. Liberty. Jacobethan Revival.
9. Thomas Gordon Farm (c. 1855). 12717 Mount Olivet Road. Platte. Greek Revival.
10. Bethany / Waltus Watkins House (c. 1850). 17012 Watkins Road. Washington. Greek Revival.
11. Watkins Woolen Mill (1859–1860). 17012 Watkins Road. Washington.
12. Franklin School (c. 1860). Watkins Road, northwest of Endsley Road. Washington. Italianate.

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