McLean County, Kentucky

Founding: 1854
Parent counties: Daviess, Muhlenberg, and Ohio

Namesake: Alney McLean, Kentucky politician
Seat: Calhoun (1854–)

Land area: 252 square miles

Population (2020): 9,152

Population (historic): 6,144 (1860); 9,293 (1880); 12,448 (1900); 11,072 (1930)

Periods of population growth: pre-1860–1910; 1930s; 1970s; 1990s

Subdivisions: Four cities; one CDP

National Register listings: Nine

Pre-1940 residences (estimated): 545 (12.7%)
Pre-1940 housing survival rate: 22.2%
Pre-1860 housing survival rate (1940): 7.8%

Farm housing in disrepair (1950): 14.6%

Nonfarm housing in disrepair (1950): 18.7%
Average farmhouse value (1930): $539
Average outbuilding value (1930): $456
Average farmhouse size (1940): 4.4 rooms
Number of farms (1920): 1,922
Average farm size (1920): 55.3 acres
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Calhoun

Namesake: John Calhoon, Kentucky politician

Founding: 1785 (platting as Rhoadsville); 1849 (post office); 1852 (incorporation)

Population (2020): 725

Population (historic): 511 (1860); 373 (1880); 631 (1900); 683 (1930)

Periods of population growth: pre-1860–1890; 1900s; 1930s; 1950–1980
Pre-1940 residences (estimated): 61 (18.1%)
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Outstanding Buildings

1. Julius Lytle House (c. 1875). Leachman School Road, south of State Route 140. Italianate.
2. Alonzo Livermore House (c. 1835). 115 State Route 138. Greek Revival.