Erie County, New York

Founding: 1821
Parent county: Niagara
Namesake: Lake Erie
Seat: Buffalo (1821–)
Land area: 1,043 square miles
Population (2020): 954,236
Population (historic): 35,719 (1830); 100,993 (1850); 178,699 (1870); 433,686 (1900); 762,408 (1930)
Periods of population growth: pre-1830–1970; 2010s
Subdivisions: Three cities; 15 villages; 17 CDPs; 25 towns
National Register listings: 259
Pre-1940 residences (estimated): 130,106 (30.3%)
Pre-1940 housing survival rate: 60.4%
Pre-1860 housing survival rate (1940): 26%

Farm housing in disrepair (1950): 9%

Nonfarm housing in disrepair (1950): 4.2%

Average farmhouse value (1930): $2,676
Average outbuilding value (1930): $2,201

Average farmhouse size (1940): 7 rooms

Number of farms (1920): 7,486
Average farm size (1920): 52.8 acres
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Buffalo

 
Namesake: Buffalo Creek
Founding: 1797 (founding); 1816 (post office); 1832 (incorporation)
Population (2020): 278,349
Population (historic): 1,508 (1810); 18,213 (1840); 117,714 (1870); 352,387 (1900); 573,076 (1930)
Periods of population growth: pre-1810–1950; 2010s
Pre-1940 residences (estimated): 80,902 (61.7%)
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Outstanding Buildings

1. Williamson Farm (c. 1895). 936 Mill Road. Aurora. Queen Anne.
2. *William Breckon House (c. 1865). 10320 Clarence Center Road. Clarence. Italianate.
3. *First Baptist Church (1877). 10790 Hunt's Corners Road. Clarence. Romanesque.
4. *House (c. 1890). 5616 Woodside Road. Concord. Queen Anne.
5. Healy Freeman House (c. 1840). 12922 Vaughn Street. Concord. Greek Revival.
6. Enoch Frye House (c. 1820/1860). 5742 Zoar Valley Road. Concord. Italianate.
7. *Daniel Schweickhart House (1864). 3525 Hardt Road. Eden. Italianate.
8. *Henry Steenman Farm (c. 1895). 3700 Bowen Road. Lancaster. Queen Anne.
9. *Warren Hull Farm (c. 1810). 5976 Genesee Street. Lancaster. Federal.
10. *Log House. 375 Harris Hill Road. Lancaster. Razed.
11. *James Hoag House (c. 1865). 5800 Armor–Duells Road. Orchard Park. Italianate.
12. *Joseph Shearman House (c. 1825). 5970 Armor–Duells Road. Orchard Park. Greek Revival/Federal.
13. *Ransom Jones House (c. 1835). 7295 Jewett–Holmwood Road. Orchard Park. Greek Revival.
14. Winthrop Folsom House (c. 1865). 6585 Webster Road. Orchard Park. Italianate.
15. *Elihu Rice House (c. 1825). 12019 Olean Road. Sardinia. Greek Revival.
16. *John Harty House (1837). 11852 Big Tree Road. Wales. Greek Revival.
17. *John Carpenter House (c. 1855). 12331 Strykersville Road. Wales. Gothic Revival.