Westchester County, New York


Founding: 1683
Parent county: Unorganized territory
Namesake: Chester, England
Seat: Westchester (1683–1758); White Plains (1758–)
Land area: 430 square miles
Population (2020): 1,004,457
Population (historic): 23,978 (1790); 48,686 (1840); 131,348 (1870); 184,257 (1900); 520,947 (1930)
Periods of population growth: pre-1790–1870; 1880–1970; 1980–2020
Subdivisions: Six cities; 23 village; 19 towns
Pre-1940 residences (estimated): 102,897 (26.1%)
Pre-1940 housing survival rate: 66.7%
Pre-1860 housing survival rate (1940): 21.1%
Farm housing in disrepair (1950): 3.4%
Nonfarm housing in disrepair (1950): 3.4%
Average farmhouse value (1930): $9,998
Average outbuilding value (1930): $19,378
Average farmhouse size (1940): 7 rooms
Number of farms (1920): 1,538
Average farm size (1920): 38.1 acres
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White Plains
 
Namesake: Unclear—likely a descriptive name
Founding: pre-1758 (founding); 1797 (post office); 1866 (incorporation)
Population (2020): 59,559
Population (historic): 2,381 (1880); 7,899 (1900); 35,830 (1930)
Periods of population growth: pre-1880–1960; 1980–2020
Pre-1940 residences (estimated): 8,095 (31.6%)
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Outstanding Buildings

  1. Merestead / William Sloane Estate (1906–1907). 455 Byram Lake Road. Bedford. Georgian Revival.
  2. Bramblewood / Henry Wood House (1847). 680 Croton Lake Road. Bedford. Gothic Revival.
  3. Stonecrest / Francis Underhill House (1879/1916). 703 Croton Lake Road. Bedford. Stick.
  4. John Jay House (1787–1790/1800–1801). 400 Jay Street. Bedford. Federal.
  5. House (1867). 44 Wood Road. Bedford. Italianate.
  6. Braewold / James Wood Farm (1870). 241 Wood Road. Bedford. Second Empire.
  7. Beecher–McFadden House (1875/1920s). 3 Beecher Lane. Cortlandt. Gothic Revival.
  8. Van Cortlandt–Robertson House (c. 1773/1855). 104 Oregon Road. Cortlandt. Gothic Revival.
  9. Van Cortlandt Manor (17th century). 525 South Riverside Avenue. Cortlandt.
  10. John Stevens House (1849–1851). 29 West 4th Street. Eastchester. Greek Revival.
  11. St. Paul's Episcopal Church (1764–1805). 897 South Columbus Avenue. Eastchester. Georgian.
  12. Lyndhurst / Paulding–Merritt Estate (1838/1864–1865). 635 South Broadway. Greenburgh. Gothic Revival.
  13. Nuits / Francis Cottenet House (1852/1858–1859). 2 Clifton Place. Greenburgh. Italianate.
  14. St. Joseph of Arimathea Episcopal Church (1883/1901). 2172 Sawmill River Road. Greenburgh. Gothic Revival.
  15. Sunnyside / Washington Irving Estate (1835/1847). 3 West Sunnyside Lane. Greenburgh. Gothic Revival.
  16. Mead Memorial Chapel (1905–1906). 2 Chapel Road. Lewisboro. Gothic Revival.
  17. Elbert Mead House (c. 1870). 107 Mead Street. Lewisboro. Italianate.
  18. House (c. 1865). 20 Spring Street. Lewisboro. Second Empire.
  19. Simeon Brady House (1827 and later). 175 Waccabuc Road. Lewisboro. Federal/Classical Revival.
  20. Kykuit / John Rockefeller Estate (1913). 381 North Broadway. Mount Pleasant. Classical Revival.
  21. Anson Phelps House (1851). 707 North Broadway. Mount Pleasant. Italianate.
  22. Elda Castle Ruins / David Abercrombie House (1925–1927). 249 Croton Dam Road. New Castle. Tudor Revival.
  23. Charles Griffith House (c. 1870). 83 Kipp Street. New Castle. Second Empire.
  24. Isaac Young House (1872). 114 Pinesbridge Road. New Castle. Second Empire.
  25. William Sarles Tavern (1814–1817/1830s). Somerstown Turnpike, west of Millwood Road. New Castle. Greek Revival. Razed.
  26. Charles Bailey House (1839). 306 Hardscrabble Road. North Salem. Greek Revival.
  27. John June House (1846). 85 June Road. North Salem. Greek Revival.
  28. St. John's Chapel (1916). 724 Titicus Road. North Salem. Gothic Revival.
  29. Charles Clarke House (c. 1875). 42 Old Briarcliff Road. Ossining. Eastlake.
  30. All Saints Episcopal Church (1848–1854/1911). 201 Scarborough Road. Ossining. Gothic Revival.
  31. Pelhamdale / Pell–Hay House (c. 1750/1825). 45 Iden Avenue. Pelham. Greek Revival.
  32. Bolton Priory / Robert Bolton House (1838). 7 Priory Lane. Pelham. Gothic Revival.
  33. Harvey Avery House (c. 1840). 86 Cross River Road. Pound Ridge. Greek Revival.
  34. William Ward House (1873–1876). 19 Magnolia Drive. Rye. Second Empire/Gothic Revival.
  35. Peter Jay Estate (1838). 210 Boston Post Road. Rye. Greek Revival.
  36. Lounsberry / Edward Parsons Estate (1838). 240 Boston Post Road. Rye. Greek Revival.
  37. Whitby / William Chapman House (1852–1854). 330 Boston Post Road. Rye. Gothic Revival.
  38. Knapp–Halsted House (c. 1670/1750). 265 Rye Beach Avenue. Rye.
  39. Muscoot Farm / Ferdinand Hopkins Farm (c. 1880/1898/1925). 51 Somerstown Turnpike. Somers. Classical Revival.
  40. Harvey Todd House (c. 1860). 189 Somerstown Turnpike. Somers. Italianate.
  41. Gerard Crane Farm (1849). 413 US Highway 202. Somers. Greek Revival.
  42. William Thompson Estate (1912). 1097 North Broadway. Yonkers. Renaissance Revival.
  43. Amawalk Friends Meeting House (1831). 2467 Quaker Church Road. Yorktown. Italianate.
  44. Floral Villa / Underhill Farm (1828/1881). 370 Underhill Avenue. Yorktown. Italianate.
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