Boyle County, Kentucky

Founding: 1842
Parent counties: Lincoln and Mercer

Namesake: John Boyle, Kentucky politician
Seat: Danville (1842–)

Land area: 180 square miles

Population (2020): 30,614

Population (historic): 9,116 (1850); 9,515 (1870); 13,817 (1900); 16,282 (1930)

Periods of population growth: pre-1850–1960; 1970–2020

Subdivisions: Three cities

Pre-1940 residences (estimated): 1,252 (10.1%)
Pre-1940 housing survival rate: 34.6%
Pre-1860 housing survival rate (1940): 30.2%

Farm housing in disrepair (1950): 10.8%

Nonfarm housing in disrepair (1950): 15.4%

Average farmhouse value (1930): $1,300
Average outbuilding value (1930): $886
Average farmhouse size (1940): 5.1 rooms
Number of farms (1920): 1,394
Average farm size (1920): 62.5 acres
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Danville

Namesake: Unclear—perhaps Walker Daniel, surveyor

Founding: 1783 (platting); 1792 (post office); 1836 (incorporation)

Population (2020): 17,234

Population (historic): 270 (1800); 1,223 (1840); 2,542 (1870); 4,285 (1900); 6,729 (1930)

Periods of population growth: pre-1800–1860; 1870–1980; 1990–2020
Pre-1940 residences (estimated): 638 (8.9%)
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