Chautauqua County, New York

Founding: 1811 (declared in 1808)
Parent county: Genesee

Namesake: Chautauqua Lake
Seat: Mayville (1811–)

Land area: 1,060 square miles

Population (2020): 127,657

Population (historic): 12,568 (1820); 50,493 (1850); 59,327 (1870); 88,314 (1900); 126,457 (1930)

Periods of population growth: pre-1820–1930; 1940–1970

Subdivisions: Two cities; 13 villages; nine CDPs; 27 towns

National Register listings: 51

Pre-1940 residences (estimated): 24,968 (36.9%)
Pre-1940 housing survival rate: 75.7%
Pre-1860 housing survival rate (1940): 30.8%

Farm housing in disrepair (1950): 9.8%

Nonfarm housing in disrepair (1950): 3.7%

Average farmhouse value (1930): $2,116
Average outbuilding value (1930): $1,647
Number of farms (1920): 7,100
Average farm size (1920): 50.9 acres
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Mayville

Namesake: Unknown

Founding: circa 1807 (founding); 1812 (post office); 1830 (incorporation)

Population (2020): 1,442

Population (historic): 701 (1870); 1,164 (1890); 1,122 (1910); 1,273 (1930)

Periods of population growth: pre-1870–1890; 1900–1960; 1970–2000
Pre-1940 residences (estimated): 301 (38.4%)
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Outstanding Buildings

1. Gustavus Bentley House (c. 1845). 75 East Fairmount Avenue. Busti. Greek Revival.
2. *John Lloyd House (1867). 953 Forest Avenue. Busti. Gothic Revival.
3. Wesley Cornell House (c. 1875). 4541 Chautauqua–Stedman Road. Chautauqua. Italianate.
4. George Frost House (c. 1865). 1022 West Road. Cherry Creek. Italianate.
5. Henry Finck House (c. 1875). 10727 Temple Road. Dunkirk. Italianate.
6. *Reuben Neate House (c. 1875). 3206 Levant–Gerry Road. Ellicott. Second Empire.
7. *John Russell House (c. 1865). 2680 Bentley Road. Kiantone. Italianate.
8. *Seth Cheney Farm (1838). 425 Kiantone Road. Kiantone. Greek Revival.
9. Clark House (c. 1840). 2886 Scott Hill Road. Poland. Greek Revival.
10. House (c. 1880). 4587 West Main Road. Pomfret. Italianate.
11. House (c. 1885). 4728 West Main Road. Pomfret. Eastlake.
12. House (c. 1885). 9453 State Route 60. Pomfret. Eastlake. Razed.
13. William Moore House (c. 1880). 9761 State Route 60. Pomfret. Second Empire.
14. *Phedora White House (c. 1880). 3728 State Route 83. Pomfret. Eastlake.
15. Linus Stage House (c. 1855). 467 Water Street. Pomfret. Italianate.
16. Farm (c. 1895). 139 West Main Street. Portland. Queen Anne.
17. *Deville Sloan House (1858). 3521 East Main Road. Sheridan. Gothic Revival.
18. *Alfred Brunson House (c. 1870). 5592 County Road 380. Stockton. Italianate.
19. *Ebenezer Moon House (1870). 3607 Moon Road. Stockton. Italianate.
20. Alexander Cochrane House (c. 1870). 8916 East Lake Road. Westfield. Gothic Revival.
21. *Philip Stephens Farm (c. 1830). 8922 West Main Road. Westfield. Federal. Razed.
22. *Farnsworth–Seward House (1821/1837–1840). 6645 South Portage Road. Westfield. Greek Revival.
23. *Thomas Prendergast Farm (c. 1860). 7573 US Highway 20. Westfield. Gothic Revival.