Posey County, Indiana

 

Founding: 1814
Parent county: Warrick

Namesake: Thomas Posey, Indiana territorial governor
Seat: Mount Vernon (1816–)

Land area: 410 square miles

Population (2020): 25,222

Population (historic): 4,061 (1820); 12,549 (1850); 19,185 (1870); 22,333 (1900); 17,853 (1930)

Periods of population growth: pre-1820–1900; 1930–1950; 1960–1980; 1990s

Subdivisions: One city; four towns; one CDP; ten townships

Pre-1940 residences (estimated): 1,834 (16%)
Pre-1940 housing survival rate: 40.5%
Pre-1860 housing survival rate (1940): 12%

Farm housing in disrepair (1950): 8.3%

Nonfarm housing in disrepair (1950): 9.1%
Average farmhouse value (1930): $1,109
Average outbuilding value (1930): $956

Average farmhouse size (1940): 5.2 rooms
Number of farms (1920): 2,071
Average farm size (1920): 102.2 acres
Sources of settlement: Germany, Kentucky, Illinois, and Tennessee

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Mount Vernon

Namesake: Mount Vernon, George Washington's plantation

Founding: 1816 (platting); 1818 (post office); 1832 (incorporation)

Population (2020): 6,493

Population (historic): 1,120 (1850); 2,880 (1870); 5,132 (1900); 5,035 (1930)

Periods of population growth: pre-1850–1910; 1930–1950; 1960–1980; 1990s
Pre-1940 residences (estimated): 630 (19.8%)

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Outstanding Buildings

1. John Cooper House (c. 1850). 6101 State Route 69. Harmony. Greek Revival.
2. St. Philip Catholic School (1904). 3420 St. Phillip's Road. Marrs. Romanesque.
3. Zion Evangelical Church (1895). 9000 Cooperline Road. Robinson. Gothic Revival.
4. William Winterheimer Farm (c. 1870). 9825 Damm Road. Robinson. Italianate.
5. St. Wendel Catholic Church (1853). 4712 St. Wendel–Cynthiana Road. Robinson. Greek Revival.
6. Joseph Cale House (c. 1865). 8900 State Route 68. Smith. Italianate.

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