Allen County, Kentucky

Founding: 1815
Parent counties: Barren and Warren

Namesake: John Allen, Kentucky militia officer
Seat: Scottsville (1816–)

Land area: 344 square miles

Population (2020): 20,588

Population (historic): 5,327 (1820); 8,742 (1850); 10,296 (1870); 14,657 (1900); 15,180 (1930)

Periods of population growth: pre-1820–1920; 1930s; 1960–2020

Subdivisions: One city

National Register listings: 12

Pre-1940 residences (estimated): 689 (7.3%)
Pre-1940 housing survival rate: 24.2%
Pre-1860 housing survival rate (1940): 10.4%

Farm housing in disrepair (1950): 29.5%

Nonfarm housing in disrepair (1950): 15.4%
Average farmhouse value (1930): $376
Average outbuilding value (1930): $216
Average farmhouse size (1940): 4.2 rooms
Number of farms (1920): 2,896
Average farm size (1920): 44 acres
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Scottsville

Namesake: Charles Scott, Kentucky governor

Founding: 1817 (platting); 1823 (post office); 1860 (incorporation)

Population (2020): 4,299

Population (historic): 215 (1840); 403 (1860); 395 (1880); 824 (1900); 1,867 (1930)

Periods of population growth: pre-1840–1850; 1870–1920; 1940–2000; 2010s
Pre-1940 residences (estimated): 211 (10.2%)
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Outstanding Buildings

1. *Edwin Satterfield House (1902). 10085 Bowling Green Road. Classical Revival/Queen Anne.
2. *Clayborne Farm (c. 1860). County Loop Road, west of Goodnight Hollow Road. Greek Revival.
3. *Michael Barton House (c. 1890). DeVasher Road, east of Steenbergen Road.
4. *Tilden Dodson Farm (1863). 395 Hickory Lane. Greek Revival.