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1940s Maps of Smithtown, New York

Explore 10 historic maps of Smithtown from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Smithtown's landscape evolved across the 1940s, 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 1940s, 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 Smithtown's history through authentic maps from the 1940s. This is your window into the past.

Smithtown, NY maps

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  1. 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.
  4. 1947 Map of St James
    1947 Map of St James
    1947 St James
    1947 Print · USGS
    The North Shore of Long Island is captured here in the years following the war, featuring the intricate tidal marshlands of Smithtown Bay. Genealogists and historians can trace the grounds of the Kings Park State Hospital for the Insane and the residential clusters at St. James and Stony Brook.
    2 unique versions available
  7. 1947 Map of Northport
    1947 Map of Northport
    1947 Northport
    1947 Print · USGS
    Northport and the surrounding North Shore communities are captured in the late 1940s during a period of significant growth. Researchers can trace family estates and local institutions from the W K Vanderbilt Estate to the Northport Rural Cem and St Josephs Ch & Sch.
  10. 1947 Map of Central Islip
    1947 Map of Central Islip
    1947 Central Islip
    1947 Print · USGS
    Suffolk County is captured in the mid-1940s as institutional grounds and early aviation hubs began to reshape the Long Island interior. Researchers can trace the sprawling grounds of the Central Islip State Hospital and the early layout of Islip Airport.
  13. 1947 Map of Patchogue
    1947 Map of Patchogue
    1947 Patchogue
    1947 Print · USGS
    Central Suffolk County is documented just after the war, showing the distinct village identities of the south shore and the rural interior. Trace local genealogy and property development through the street grids of Patchogue, Bohemia, and the rail-oriented Ronkonkoma.
  16. 1947 Map of Sherwood Point
    1947 Map of Sherwood Point
    1947 Sherwood Point
    1947 Print · USGS
    Coastal Connecticut at the end of the 1940s reveals a shoreline of growing seaside communities and preserved marshlands. Researchers can trace the development of Saugatuck Shores, the historic Compo Beach, and the offshore reaches of Cockenoe Island.
  19. 1947 Map of Greenlawn
    1947 Map of Greenlawn
    1947 Greenlawn
    1947 Print · USGS
    Mid-century Suffolk County is captured here during its transition from an estate-dotted landscape to a growing suburban corridor. Genealogists and local historians can trace legacy properties like the Anna Gould Estate and early industry such as the Golden Pickle Works or Pilgrim Sand & Gravel Co.
  22. 1947 Map of Hartford, 1955 Print
    1947 Map of Hartford, 1955 Print
    1947 Hartford
    1955 Print · USGS
    Southern New England and the Hudson Valley are shown in detail during the post-war expansion era. Genealogists and researchers can trace local landmarks from the State Capitol and Yale University to the Stratford Lighthouse and Woodlawn Cem.
    2 unique versions available
  25. 1948 Map of Hartford
    1948 Map of Hartford
    1948 Hartford
    1948 Print · USGS
    Southern New England is captured here in the late 1940s, showcasing a landscape of thriving industrial cities and developing parkways. Genealogists and historians can trace the rail networks of the New York New Haven and Hartford RR or locate coastal defense sites like Fort Terry and Camp Shanks.
    2 unique versions available
  28. 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.
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Frequently asked questions

  • What are the different types of historical maps available for Smithtown?
  • What is the oldest map of Smithtown?
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  • Are there historical topographic maps available for Smithtown?
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