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1900s (20th Century) Maps of Nassau County, New York

Explore 66 historic maps of Nassau County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Nassau County's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Nassau County's history through authentic maps from the 1900s. This is your window into the past.

Nassau County, NY maps

(66)
  1. 1900 Map of Harlem
    1900 Map of Harlem
    1900 Harlem
    1900 Print · USGS
    Upper Manhattan and the surrounding boroughs are shown at a pivotal moment of growth before the mid-century building boom. Genealogists can trace family footprints through the streets of Yonkers Park or locate ancestors in the sprawling Woodlawn Cemetery.
    16 unique versions available
  4. 1900 Map of Brooklyn
    1900 Map of Brooklyn
    1900 Brooklyn
    1900 Print · USGS
    Brooklyn and Queens are shown here at the turn of the century as the urban grid begins to overtake rural villages and coastal marshes. Genealogists can locate family plots in Greenwood Cemetery or Evergreen Cemetery and trace early transit routes like the Electric R.R. and Kings Highway.
    11 unique versions available
  7. 1900 Map of Oyster Bay
    1900 Map of Oyster Bay
    1900 Oyster Bay
    1900 Print · USGS
    The North Shore of Long Island is captured at the turn of the century as its maritime villages and sprawling estates began to transition into refined commuter suburbs. Genealogists can trace property and neighborhood development in Sea Cliff, Glen Cove, and Oyster Bay before the automobile era.
    15 unique versions available
  10. 1901 Map of Babylon, 1958 Print
    1901 Map of Babylon, 1958 Print
    1901 Babylon
    1958 Print · USGS
    The South Shore of Long Island at the turn of the century shows a landscape of rail-linked villages and tidal marshes. Trace early transit hubs like Bethpage Junc. and maritime outposts such as the Zachs Inlet L.S.S. along the coast.
  13. 1901 Map of Northport, 1962 Print
    1901 Map of Northport, 1962 Print
    1901 Northport
    1962 Print · USGS
    The North Shore of Long Island is captured here at the turn of the century, showing a landscape defined by deep harbors and maritime navigation. You can trace the early rail routes of the Long Island RR and locate historic coastal landmarks like Eatons Neck L.H. and Fort Salonga.
  16. 1903 Map of Babylon
    1903 Map of Babylon
    1903 Babylon
    1903 Print · USGS
    Southern Suffolk County coastal life and rail expansion are captured here at the turn of the century. Genealogists and historians can trace early residential clusters around Amityville or locate coastal landmarks like Oak Island L.S.S. and Bethpage Junc.
    8 unique versions available
  19. 1903 Map of Northport
    1903 Map of Northport
    1903 Northport
    1903 Print · USGS
    The North Shore of Long Island at the turn of the century reveals a landscape defined by deep harbors and the expanding railroad. Genealogists and historians can trace the early layouts of Northport and Huntington, or locate landmarks like Eaton Neck L.H. and Kings Park.
    8 unique versions available
  22. 1903 Map of Hempstead
    1903 Map of Hempstead
    1903 Hempstead
    1903 Print · USGS
    Southern Nassau County at the turn of the century shows a landscape transitioning from rural estates and marshlands to rail-connected villages. Genealogists can trace family footprints in Hempstead or Garden City and locate coastal landmarks like Christian Hook and the Camp Meeting Grounds.
    9 unique versions available
  25. 1904 Map of Islip
    1904 Map of Islip
    1904 Islip
    1904 Print · USGS
    Suffolk County at the start of the century reveals a landscape defined by deep north-shore harbors and the expansive Great South Bay. Genealogists and local historians can trace early rail lines through Kings Park and Stony Brook, or locate the sprawling State Hospital and St. Dominic Convent.
    5 unique versions available
  28. 1919 Map of Babylon
    1919 Map of Babylon
    1919 Babylon
    1919 Print · USGS
    The South Shore of Long Island is captured here during a period of steady growth between the world wars. Genealogists and local historians can trace early transportation routes like the Motor Parkway and locate coastal landmarks such as the Oak Island L.S.S. and St. Dominic Convent.
  31. 1942 Map of Islip, 1943 Print
    1942 Map of Islip, 1943 Print
    1942 Islip
    1943 Print · USGS
    Central Suffolk County is shown during the early years of the war, as the automobile began to reshape the distance between historic North Shore harbors and the South Shore bays. Researchers can trace the path of the Long Island Motor Parkway, locate family plots at Pinelawn Cem, and identify coastal landmarks like Eaton Neck L H.
  34. 1947 Map of Mamaroneck
    1947 Map of Mamaroneck
    1947 Mamaroneck
    1947 Print · USGS
    Coastal Westchester and Nassau Counties are shown here just after the war as the region's grand estates and suburban centers flourished. Genealogists and historians can locate private landmarks like the J P Morgan property, Pratts Estate, and St Thomas Ch.
  37. 1947 Map of Hicksville
    1947 Map of Hicksville
    1947 Hicksville
    1947 Print · USGS
    Mid-century Nassau County is captured here as the storied Gold Coast estates began to meet the expanding suburban reach of Hicksville and Syosset. Genealogists and historians can locate family-named lands like the Davison Estate or visit the T Roosevelt Grave at Young Memorial Cemetery.
  40. 1947 Map of Sea Cliff
    1947 Map of Sea Cliff
    1947 Sea Cliff
    1947 Print · USGS
    The Gold Coast of Nassau County is captured here in the late 1940s, showcasing a landscape of massive private estates and yacht clubs. Trace family-named landmarks like the Vanderbilt Estate or find historic aviation sites like the New York Seaplane Airport.
  43. 1947 Map of Jamaica
    1947 Map of Jamaica
    1947 Jamaica
    1947 Print · USGS
    Queens and Brooklyn are shown in a period of rapid post-war expansion, where the traditional rail-oriented neighborhoods met the dawn of the parkway era. Researchers can trace the development of South Ozone Park, locate the now-redeveloped Jamaica Race Track, or study the marshlands around Sunrise Airport before the landscape was fully transformed.
  46. 1947 Map of Jones Inlet
    1947 Map of Jones Inlet
    1947 Jones Inlet
    1947 Print · USGS
    The Nassau County coastline during the post-war era reveals a landscape of developing seaside communities and expansive public works. Researchers can trace the layout of Jones Beach State Park and Point Lookout, or locate landmarks like the White House Bark Roof among the marshes.
  49. 1947 Map of Lynbrook
    1947 Map of Lynbrook
    1947 Lynbrook
    1947 Print · USGS
    Nassau County and the Queens border are shown here in the late forties during a period of massive suburban growth. Genealogists and historians can trace rail-centered communities, family sites near Elmont Cem, and major landmarks like Belmont Park Race Track or the Curtiss Wright Airport.
  52. 1947 Map of Flushing
    1947 Map of Flushing
    1947 Flushing
    1947 Print · USGS
    The coastal transition of Queens and the Bronx is captured just after the war as parkways and airfields reshaped the shoreline. Researchers can locate military sites like Fort Totten or trace family roots at Flushing Cem and the Franciscan Poor Clares Monastery.
    2 unique versions available
  55. 1947 Map of Huntington
    1947 Map of Huntington
    1947 Huntington
    1947 Print · USGS
    Post-war Long Island comes into focus here, showing the north shore during a period of significant growth. Genealogists can trace family footprints across Swedetown Village, the Nassau County Sanitarium, and the many schools like Union District Sch No 13.
  58. 1947 Map of Freeport
    1947 Map of Freeport
    1947 Freeport
    1947 Print · USGS
    Nassau County's south shore and aviation hubs are caught in detail just after the war. Local historians can trace the transition from marshland to suburbia through landmarks like Roosevelt Field, the Jones Beach Hotel, and the Meadow Brook Polo Field.
  61. 1947 Map of Far Rockaway
    1947 Map of Far Rockaway
    1947 Far Rockaway
    1947 Print · USGS
    The Rockaway Peninsula and Jamaica Bay thrive in the late 1940s, showing a densely developed coastline of hotels and boardwalks. Trace the vanished stops of the Long Island Railroad and find landmarks like the Arverne Hotel or Jacob Riis Park.
  64. 1947 Map of Jones Beach
    1947 Map of Jones Beach
    1947 Jones Beach
    1947 Print · USGS
    The Long Island shoreline comes into focus in the late 1940s as public recreation and maritime safety infrastructure expand. Trace the early layout of Jones Beach State Park, the Bird and Game Sanctuary, and the Jones Beach Life Boat Station.
  67. 1947 Map of Lawrence
    1947 Map of Lawrence
    1947 Lawrence
    1947 Print · USGS
    The South Shore of Long Island in the late 1940s reveals a thriving coastal culture of yacht clubs and beachfront hotels. Genealogists and local historians can trace the mid-century layout of Long Beach and Lawrence, locating landmarks like St Marys of the Isle and the Nassau Hotel.
  70. 1947 Map of Amityville
    1947 Map of Amityville
    1947 Amityville
    1947 Print · USGS
    Postwar Long Island comes alive in the late 1940s as suburban shorelines and aviation hubs begin to reshape the landscape. Local historians can trace early neighborhood footprints and industrial sites like Republic Flying Field, the N Y State Poor Farm, and Pinelawn Cemetery.
  73. 1949 Map of New York, 1951 Print
    1949 Map of New York, 1951 Print
    1949 New York
    1951 Print · USGS
    Long Island and its surrounding waters are documented here in the late 1940s, just as the postwar suburban boom began to transform the region. Genealogists and historians can trace the early layouts of Idlewild Airport, Mitchell Field, and the established routes of the Long Island RR.
Showing maps 1-25 of 66

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Frequently asked questions

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