Nassau County, New York


Founding: 1899
Parent county: Queens
Namesake: The House of Nassau
Seat: Mineola (1899–)
Land area: 285 square miles
Population (2020): 1,395,774
Population (historic): 55,448 (1900); 126,120 (1920); 303,053 (1930)
Periods of population growth: pre-1900–1970; 1990–2020
Subdivisions: Two cities; 62 villages; 69 CDPs; three towns
Pre-1940 residences (estimated): 96,663 (20.2%)
Pre-1940 housing survival rate: 73.2%
Farm housing in disrepair (1950): 2.9%
Nonfarm housing in disrepair (1950): 1.9%
Average farmhouse value (1930): $6,097
Average outbuilding value (1930): $6,570
Average farmhouse size (1940): 6.6 rooms
Number of farms (1920): 935
Average farm size (1920): 46.1 acres
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Mineola
 
Namesake: Miniolagamika, Algonquin chief
Founding: 1858 (post office); 1906 (incorporation)
Population (2020): 20,800
Population (historic): 313 (1880); 1,981 (1910); 3,016 (1920); 8,155 (1930)
Periods of population growth: pre-1910–1970; 1990s; 2010s
Pre-1940 residences (estimated): 2,469 (28.9%)
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Outstanding Buildings

  1. Clapham–Stern House (c. 1870/1906). 48 Glenwood Road. North Hempstead. Victorian Gothic.
  2. Horatio Onderdonk House (1836). 1471 Northern Boulevard. North Hempstead. Greek Revival.
  3. George Denton House (c. 1874). 57 West Shore Road. North Hempstead. Italianate.
  4. George Swan Estate (1859). 40 Cove Neck Road. Oyster Bay. Second Empire.
  5. Frank Woolworth Estate (1916). 77 Crescent Beach Road. Oyster Bay. Renaissance Revival.
  6. Crowell House (1871). 375 Littleworth Lane. Oyster Bay. Second Empire.
  7. Coe Hall / William Coe Estate (1918–1921). 1395 Planting Fields Road. Oyster Bay. Tudor Revival.
  8. Sagamore Hill / Theodore Roosevelt Estate (1884). 20 Sagamore Hill Road. Oyster Bay. Queen Anne.
  9. Elmwood / Thomas Youngs House (1836). 24 Tiffany Road. Oyster Bay. Greek Revival.
  10. James Beekman House (1863–1864). 1026 West Shore Road. Oyster Bay. Gothic Revival.
  11. Seawanhaka Yacht Club (1891). 314 Yacht Club Road. Oyster Bay. Classical Revival.
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