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1940s Maps of Portland, Maine

Explore 10 historic maps of Portland 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 Portland'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 Portland's history through authentic maps from the 1940s. This is your window into the past.

Portland, ME maps

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  1. 1941 Map of Casco Bay
    1941 Map of Casco Bay
    1941 Casco Bay
    1941 Print · USGS
    Casco Bay and its vital harbor defenses are captured here just as the nation prepared for war. Military historians and genealogists can locate Fort McKinley and Fort Williams alongside local landmarks like Pine Grove Sch.
  4. 1941 Map of Portland
    1941 Map of Portland
    1941 Portland
    1941 Print · USGS
    Coastal Maine at the start of the 1940s reveals a bustling corridor of river mills and seaside settlements. Genealogists and historians can trace family roots through numerous local schools and landmarks like Cumberland Mills, Spurwink Ch, and Prouts Neck.
  7. 1944 Map of Portland East
    1944 Map of Portland East
    1944 Portland East
    1944 Print · USGS
    Casco Bay was a fortified maritime hub during the 1940s, balancing naval defense with thriving island communities. Researchers can trace coastal military history through Fort McKinley and Fort Gorges, or find family landmarks in Falmouth Foreside and Peak Island.
    2 unique versions available
  10. 1944 Map of Small Point
    1944 Map of Small Point
    1944 Small Point
    1944 Print · USGS
    The Maine coastline during the early 1940s reveals a maritime landscape of isolated peninsulas and island fishing communities. Genealogists and coastal historians can trace the foundations of Popham Beach, explore the landing at West Point, and locate family landmarks from Bailey Island to Morse Mountain.
    3 unique versions available
  13. 1944 Map of South Harpswell
    1944 Map of South Harpswell
    1944 South Harpswell
    1944 Print · USGS
    The Maine coast in the mid-1940s reveals a world defined by the tides and steamer travel across Mericoneag Sound. Trace family property or maritime history near South Harpswell, Bailey Island, or the remote Halfway Rock Lighthouse.
  16. 1944 Map of Cape Elizabeth
    1944 Map of Cape Elizabeth
    1944 Cape Elizabeth
    1944 Print · USGS
    Cumberland County’s shoreline at the height of the Second World War shows a coastal landscape balanced between maritime defense and local community life. Genealogists and historians can locate Fort Williams, the Cape Elizabeth Church, and family-named landmarks like McKenney Pt.
  19. 1944 Map of Portland West, 1948 Print
    1944 Map of Portland West, 1948 Print
    1944 Portland West
    1948 Print · USGS
    Coastal Maine during the mid-forties reveals a bustling network of rail yards and expanding neighborhoods west of the harbor. Researchers can trace the layout of the Portland Airport, find the historic Barker School, and locate vanished rail stops like West Falmouth Station.
  22. 1948 Map of Bath
    1948 Map of Bath
    1948 Bath
    1948 Print · USGS
    Mid-coast Maine’s intricate shoreline and island outposts are captured here just after the war. Researchers can trace historic maritime settlements from Bath to Friendship and locate remote landmarks like Monhegan Island and Pemaquid Point.
    2 unique versions available
  25. 1948 Map of Portland West
    1948 Map of Portland West
    1948 Portland West
    1948 Print · USGS
    Coastal Maine during the late 1940s reveals a bustling intersection of rail and river industry between the city and its growing suburbs. Genealogists and historians can trace old neighborhoods like Woodfords or locate ancestors at Evergreen Cemetery and the State Reform School.
  28. 1949 Map of Portland
    1949 Map of Portland
    1949 Portland
    1949 Print · USGS
    Coastal Maine and the New Hampshire interior are shown in detail during the late forties, from the bustling harbors to the lakeside villages. Researchers can trace historical rail networks like the Boston & Maine RR and locate coastal defenses such as Fort Preble.
    3 unique versions available
End of results
Showing maps 1-10 of 10

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Frequently asked questions

  • What are the different types of historical maps available for Portland?
  • What is the oldest map of Portland?
  • Where can I purchase historical maps of Portland for my home or office?
  • Where can I download high-res historical maps of Portland?
  • Are there historical topographic maps available for Portland?
  • Is there historical aerial imagery available for Portland?
  • Where are historical maps of Portland sourced from?