Ontario County, New York


Founding: 1789
Parent county: Montgomery
Namesake: Lake Ontario
Seat: Canandaigua (1789–)
Land area: 644 square miles
Population (2020): 112,458
Population (historic): 1,075 (1790); 43,501 (1840); 45,108 (1870); 49,605 (1900); 54,276 (1930)
Periods of population growth: 1790–1880; 1890–2020
Subdivisions: Two cities; eight villages; three CDPs; 16 towns
Pre-1940 residences (estimated): 14,687 (28.4%)
Pre-1940 housing survival rate: 86.5%
Pre-1860 housing survival rate (1940): 34.3%
Farm housing in disrepair (1950): 5.3%
Nonfarm housing in disrepair (1950): 5.2%
Average farmhouse value (1930): $2,433
Average outbuilding value (1930): $2,442
Average farmhouse size (1940): 8 rooms
Number of farms (1920): 4,062
Average farm size (1920): 73 acres
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Canandaigua
 
Namesake: A Seneca village near the city site
Founding: circa 1789 (founding); 1794 (post office); 1815 (incorporation)
Population (2020): 10,576
Population (historic): 450 (1810); 2,790 (1840); 4,862 (1870); 6,151 (1900); 7,541 (1930)
Periods of population growth: pre-1810–1970; 1980–2000; 2010s
Pre-1940 residences (estimated): 2,340 (43%)
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Outstanding Buildings

  1. Richard Simmons House (1794). 7931 Baptist Hill Road. Bristol. Federal.
  2. Bristol Congregational Church (1814/1832/1846). 4304 State Route 64. Bristol. Greek Revival.
  3. Lewis Sutherland House (c. 1880). 5646 Bristol Road. Canandaigua. Italianate.
  4. Zachariah Tiffany House (c. 1845). 1910 Macedon Road. Canandaigua.
  5. Ira Wilder House (c. 1825). 5648 North Bloomfield Road. Canandaigua. Federal.
  6. Farm (c. 1875). 2434 County Road 39. East Bloomfield. Italianate.
  7. John Wheeler Farm (c. 1870). 3526 Forbes Road. East Bloomfield. Italianate.
  8. George Wheeler House (c. 1818/1840). 6353 Grimble Road. East Bloomfield. Greek Revival.
  9. Robert McNutt House (c. 1840). 395 Ellsworth Road. Farmington. Greek Revival.
  10. Minnie Nester Estate (1911). 1001 Lochland Road. Geneva. Renaissance Revival.
  11. Parrott Hall / Nehemiah Denton House (c. 1855). West North Street, west of Castle Street. Geneva. Italianate.
  12. David Barnes Farm (c. 1840). 5169 Preemption Road. Geneva. Greek Revival.
  13. Powers House (c. 1820). 712 Snell Road. Geneva. Federal.
  14. Belhurst Castle / Carrie Collins House (1888–1891). 4069 West Lake Road. Geneva. Romanesque.
  15. George Chapman Farm (c. 1885). 4896 State Route 247. Gorham. Eastlake.
  16. Dwelle–Baldwin House (c. 1840/1890). 5064 State Route 247. Gorham. Greek Revival/Queen Anne.
  17. Oliver Warner Farm (c. 1840). 2607 State Route 488. Hopewell. Federal.
  18. Franklin Smith House (c. 1880). 2514 County Road 25. Phelps. Italianate/Queen Anne.
  19. Lewis Peck Farm (c. 1860). 2106 Fort Hill Road. Phelps. Italianate.
  20. William Ottley House (1826). 2380 Fort Hill Road. Phelps. Federal/Greek Revival.
  21. Westfall Farm (c. 1870). 725 Gifford Road. Phelps. Italianate.
  22. James Ridley House (c. 1865). 1278 Gifford Road. Phelps. Italianate.
  23. Philander Mott Farm (c. 1855). 1433 Mott Road. Phelps. Italianate.
  24. Elias Cost House (1839). 2114 Preemption Road. Phelps. Greek Revival.
  25. Philetus Swift House (1792/1816). 866 State Route 96. Phelps. Federal.
  26. Benjamin Hawks Farm (1848). 988 State Route 96. Phelps. Gothic Revival.
  27. Elisha Cole House (c. 1840). 1240 State Route 96. Phelps. Greek Revival.
  28. William Huffman House (1845). 1064 Town Line Road. Phelps. Greek Revival.
  29. Cyrus Chipman Farm (1803). 3899 Abbey Road. Richmond. Federal.
  30. Philip Reed House (1803). 4357 Reed Road. Richmond. Georgian.
  31. Root House (c. 1865). 1047 County Road 4. Seneca. Italianate.
  32. Sidney Whitney Farm (c. 1865). 1826 County Road 4. Seneca. Italianate.
  33. Thomas Stokoe Farm (c. 1900). 2298 Lake-to-Lake Road. Seneca. Queen Anne.
  34. John Rippey House (1854). 1227 Leet Road. Seneca. Italianate.
  35. Thomas McCauley Farm (c. 1865). 2039 State Route 245. Seneca. Italianate.
  36. Thomas Barron House (1848). 1160 US Highway 20. Seneca. Greek Revival.
  37. Charles Bassett House (c. 1810). 2512 US Highway 20. Seneca. Federal.
  38. Levi Barden Farm (1836). 5300 Wabash Road. Seneca. Greek Revival.
  39. Jeremiah Cronkite House (c. 1847). 1095 Lynaugh Road. Victor. Federal/Greek Revival.
  40. Felt Store (c. 1835). 6452 Victor–Manchester Road. Victor. Greek Revival.
  41. Alonzo Mansfield Farm (c. 1870). 8482 County Road 14. West Bloomfield. Italianate.
  42. Nathaniel Wilson Farm (c. 1830). 2967 County Road 37. West Bloomfield. Greek Revival.
  43. Warren Pierpont House (1841). 9117 Dugway Road. West Bloomfield. Federal.
  44. Watrous Peck Farm (1803). 8814 Wesley Road. West Bloomfield.
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