1940s Maps of New Castle County, Delaware

Explore 19 historic maps of New Castle County 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 New Castle County'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 New Castle County's history through authentic maps from the 1940s. This is your window into the past.


New Castle County, DE maps

(19)
  1. 1941 Map of Marcus Hook
    1941 Map of Marcus Hook
    1941 Marcus Hook
    1941 Print · USGS
    The industrial and maritime riverfront at the start of the 1940s is captured here, showing the dense rail networks of the Marcus Hook area. Researchers can trace ancestral property near Hambys Corner, Siloam Ch, or the U S Military Reservation.

  2. 1941 Map of Salem
    1941 Map of Salem
    1941 Salem
    1941 Print · USGS
    Salem County and the Delaware River waterfront appear here in the early 1940s, just as industrial and wartime infrastructure began to reshape the landscape. Genealogists and local historians can trace family roots through old landmarks like Porches Mill, Yorktown PO, and the Wilmington Ferry route.

  3. 1941 Map of Shiloh
    1941 Map of Shiloh
    1941 Shiloh
    1941 Print · USGS
    Coastal New Jersey and Delaware meet here at the start of the 1940s, showing a landscape of tidal marshes and rural crossroads. Genealogists and historians can trace family-named corners and vital industries like Seventh Day Mill, the County Almshouse, and the Ship John Shoal Light.

  4. 1942 Map of Camden
    1942 Map of Camden
    1942 Camden
    1942 Print · USGS
    The Philadelphia and Camden metropolitan corridor is captured here at the height of the Second World War. Genealogists and historians can trace rail networks like the Reading R.R. and locate communities from Swedesboro to Merchantville.

  5. 1942 Map of Elkton
    1942 Map of Elkton
    1942 Elkton
    1942 Print · USGS
    Elkton and the tristate borderlands of Maryland, Delaware, and Pennsylvania are captured here just before the mid-century expansion. Genealogists can trace family names and landmarks like Old Frenchtown Wharf, St Johns Ch, and the historic Tangent Stone.
    4 unique versions available

  6. 1943 Map of Coatesville
    1943 Map of Coatesville
    1943 Coatesville
    1943 Print · USGS
    Chester County's industrial and rural landscape is shown in detail during the early 1940s, centered on the rail-driven growth of the Octoraro and Brandywine valleys. Family historians can trace ancestral roots through small hamlets and transit points like Derbydown PO, Doe Run Sta, and Sadsburyville.

  7. 1943 Map of West Chester
    1943 Map of West Chester
    1943 West Chester
    1943 Print · USGS
    Chester County during the early years of the war shows a landscape of established borough centers and winding creek valleys. Genealogists and historians can trace the rail-and-river network through West Chester, Brandywine Creek, and early industrial sites like Dutton Mill.

  8. 1944 Map of Cecilton
    1944 Map of Cecilton
    1944 Cecilton
    1944 Print · USGS
    The rural borderlands of Cecil County and New Castle County are captured here during the 1940s, showing a landscape defined by tidal creeks and historic necks of land. Researchers can locate early boundary markers like MD-Del Boundary Mon No 1 and old community hubs including Bohemia Mills and St Francis Xavier Church.

  9. 1944 Map of Millington
    1944 Map of Millington
    1944 Millington
    1944 Print · USGS
    Upper Kent County and the Delaware borderlands come alive in the mid-1940s, highlighting a landscape defined by rail junctions and river systems. You can trace family roots through small communities like Golts, Massey, and Crumpton, or locate historic sites like St Clements Church.

  10. 1946 Map of Wilmington, 1948 Print
    1946 Map of Wilmington, 1948 Print
    1946 Wilmington
    1948 Print · USGS
    The Delaware Valley and Jersey Shore emerge in this mid-century portrait of a region defined by river commerce and seaside growth. Genealogists and historians can trace the rail networks of the Pennsylvania Railroad, locate early airfields like Dover Airpark, and find river defenses at Fort Delaware.
    2 unique versions available

  11. 1948 Map of Salem
    1948 Map of Salem
    1948 Salem
    1948 Print · USGS
    South Jersey at the dawn of the atomic age is a landscape of thriving mill towns and vital river commerce. Genealogists and historians can trace the rail corridors of the Pennsylvania Reading Seashore Lines or locate family sites near Russels Mill and Hancocks Bridge.
    3 unique versions available

  12. 1948 Map of Marcus Hook
    1948 Map of Marcus Hook
    1948 Marcus Hook
    1948 Print · USGS
    The industrial corridor along the Delaware River thrives in the late 1940s as rail and river trade intersect. Genealogists can locate family landmarks like Mt Hope Ch Cem, the U S Quarantine Sta, and the busy junction at Marcus Hook.
    2 unique versions available

  13. 1948 Map of Wilmington South, 1952 Print
    1948 Map of Wilmington South, 1952 Print
    1948 Wilmington South
    1952 Print · USGS
    Wilmington and New Castle were thriving centers of industry and aviation just after the war as suburban neighborhoods rapidly expanded. Genealogists and researchers can trace local landmarks like Silverbrook Cemetery, the New Castle County Airport, and the Marine Terminal along the Christina River.
    2 unique versions available

  14. 1948 Map of Taylors Bridge, 1965 Print
    1948 Map of Taylors Bridge, 1965 Print
    1948 Taylors Bridge
    1965 Print · USGS
    The Delaware riverfront near Taylors Bridge is shown here in the late 1940s, revealing a landscape of tidal marshes and historical landings. Genealogists and historians can trace family-named sites like Vance Neck, Thomas Landing, and Collins Beach.
    3 unique versions available

  15. 1948 Map of Canton, 1965 Print
    1948 Map of Canton, 1965 Print
    1948 Canton
    1965 Print · USGS
    Coastal New Jersey salt marshes and small farming hamlets are preserved here in the late 1940s. Genealogists and historians can locate family-named sites like Garrison Corner, the Bacons Neck Sch, and Maskell Mill along the tidal creeks.
    3 unique versions available

  16. 1948 Map of Delaware City, 1965 Print
    1948 Map of Delaware City, 1965 Print
    1948 Delaware City
    1965 Print · USGS
    The Delaware River shoreline at mid-century is defined by its military fortifications and heavy maritime traffic between Delaware and New Jersey. Trace historic sites like Fort Delaware, the Quarantine Station on Reedy Island, and the Finns Point National Cemetery near the canal.
    5 unique versions available

  17. 1949 Map of Smyrna
    1949 Map of Smyrna
    1949 Smyrna
    1949 Print · USGS
    Coastal Delaware's transition from town to marsh is documented here in the late 1940s, centered on the historic hub of Smyrna. Researchers can trace family roots through sites like Belmont Hall, Odd Fellows Cem, and the riverfront at Smyrna Landing.
    2 unique versions available

  18. 1949 Map of Bombay Hook
    1949 Map of Bombay Hook
    1949 Bombay Hook
    1949 Print · USGS
    The Delaware coastline in the late 1940s reveals a vast network of marshes and tidal sluices centered on Woodland Beach. Researchers can trace the mid-century shoreline and identify rural landmarks like the Ship John Shoal Lt and Whitehall Landing.
    2 unique versions available

  19. 1949 Map of Canton
    1949 Map of Canton
    1949 Canton
    1949 Print · USGS
    The salt marshes and tidal creeks of Salem and Cumberland Counties are captured here in the late Forties. Genealogists and local historians can trace family lands near Garrison Corner, visit the site of Maskell Mill, or locate rural landmarks like Bacons Neck Sch.
    2 unique versions available

End of results
Showing maps 1-19 of 19

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