Lincoln County, Missouri

Founding: 1819
Parent county: St. Charles

Namesake: Benjamin Lincoln, Continental Army officer
Seat: Monroe (1818–1823); Alexandria (1823–1829); Troy (1829–)

Land area: 627 square miles

Population (2020): 59,574

Population (historic): 1,662 (1820); 9,421 (1850); 15,960 (1870); 18,352 (1900); 13,929 (1930)

Periods of population growth: pre-1820–1890; 1930s; 1950–2020

Subdivisions: Seven cities; six villages; 12 townships

National Register listings: Five

Pre-1940 residences (estimated): 1,113 (5.2%)
Pre-1940 housing survival rate: 36.9%
Pre-1860 housing survival rate (1940): 9.5%

Farm housing in disrepair (1950): 12.7%

Nonfarm housing in disrepair (1950): 11.5%

Average farmhouse value (1930): $1,240
Average outbuilding value (1930): $834

Average farmhouse size (1940): 4.6 rooms
Number of farms (1920): 2,540
Average farm size (1920): 100.4 acres
Sources of settlement: Virginia, Kentucky, and Germany

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Troy

Namesake: Unclear

Founding: 1819 (platting); 1823 (post office); 1839 (incorporation)

Population (2020): 12,686

Population (historic): 611 (1860); 703 (1880); 1,153 (1900); 1,419 (1930)

Periods of population growth: pre-1860–1900; 1920–2020
Pre-1940 residences (estimated): 317 (7.2%)

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Outstanding Buildings

1. George Meyer Farm (c. 1835). 65 Eagle Fork Lane. Clark.
2. John Downing House. 177 Cardinal Lane. Hurricane.
3. William Duncan Farm (c. 1835). 2951 Road B. Hurricane.
4. William Elsberry Farm (c. 1855). 3082 Road B. Hurricane. Greek Revival.
5. Thomas Foley House (c. 1835). 63 Road W. Hurricane.
6. Immaculate Conception Catholic Church (1872). 110 Maryknoll Road. Monroe. Gothic Revival.
7. Duncan House (1904). 150 Duncan Mansion Drive. Union. Classical Revival.