Erie County, Pennsylvania

Founding: 1803 (declared in 1800)
Parent county: Allegheny

Namesake: Lake Erie
Seat: Erie (1803–)

Land area: 799 square miles

Population (2020): 270,876

Population (historic): 1,468 (1800); 17,041 (1830); 49,432 (1860); 86,074 (1890); 175,277 (1930)

Periods of population growth: pre-1800–1980; 1990s

Subdivisions: Two cities; 14 boroughs; five CDPs; 23 townships

Pre-1940 residences (estimated): 32,107 (26.6%)
Pre-1940 housing survival rate: 67.5%
Pre-1860 housing survival rate (1940): 31.2%

Farm housing in disrepair (1950): 9.1%

Nonfarm housing in disrepair (1950): 5.2%
Average farmhouse value (1930): $2,024
Average outbuilding value (1930): $1,725
Average farmhouse size (1940): 7.2 rooms
Number of farms (1920): 5,485
Average farm size (1920): 46.6 acres
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Erie

Namesake: Lake Erie

Founding: 1795 (platting); 1811 (post office); 1851 (incorporation)

Population (2020): 94,831

Population (historic): 81 (1800); 1,465 (1830); 9,419 (1860); 40,634 (1890); 115,967 (1930)

Periods of population growth: 1800–1960
Pre-1940 residences (estimated): 18,956 (41.7%)
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Outstanding Buildings

1. House (c. 1880). 7800 Main Street. Fairview. Second Empire.
2. Albert Dobler House (1894). 8340 Ridge Road. Fairview. Classical Revival/Queen Anne.
3. Daniel Sayre House (c. 1845). 8904 Ridge Road. Girard. Greek Revival.
4. Rush Battles Farm (1858). 436 Walnut Street. Girard. Italianate.
5. Jesse Coover Farm (c. 1860). 10764 Donation Road. Greene. Italianate.
6. Joseph Moorhead Farm (c. 1845). 902 Moorheadville Road. Harbor Creek. Greek Revival/Federal.
7. John Moorhead House (c. 1870). 1640 Moorheadville Road. Harbor Creek. Italianate.
8. Thomas Dunn Farm (c. 1860). 2884 Dunn Valley Road. McKean. Italianate.
9. Frederick Koehler House (1899–1901). 2317 East 43rd Street. Mill Creek. Queen Anne.
10. John Nicholson House (1825–1827). 4838 West Ridge Road. Mill Creek.
11. Samuel Holliday House (c. 1850). 455 Holliday Road. Springfield. Greek Revival.
12. Noah Hershey Farm (c. 1870). 7221 Edinboro Road. Summit. Italianate.
13. Wallace Field House (c. 1845). 15618 Old Wattsburg Road. Union. Razed.
14. Lendell Shreve House (c. 1925). 9810 US Highway 6. Union. Tudor Revival.
15. Ruth Osborn House (c. 1870). 11686 Tamarack Road. Waterford. Italianate.
16. House (c. 1895). 16700 Sciota Road. Wayne. Eastlake.
17. Mathias Spencer House (c. 1835). 12940 Turnpike Road. Wayne. Greek Revival.

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