Join Free

1940s Maps of Union County, New Jersey

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

Union County, NJ maps

(10)
  1. 1942 Map of Passaic
    1942 Map of Passaic
    1942 Passaic
    1942 Print · USGS
    Northern New Jersey and New York harbor appear in detail at the start of the war, showing a landscape of burgeoning suburbs and vital industry. Trace family roots and local history across the Passaic River valley, from Paterson to the Watchung Mountains.
  4. 1943 Map of Roselle, 1947 Print
    1943 Map of Roselle, 1947 Print
    1943 Roselle
    1947 Print · USGS
    Union County's industrial and commuter corridors are shown here at the height of the war years. Genealogists and rail historians can trace the complex junctions at Cranford Junction and locate family plots in Hazelwood Cem or Graceland Mem Park Cem.
  7. 1944 Map of Newark, 1971 Print
    1944 Map of Newark, 1971 Print
    1944 Newark
    1971 Print · USGS
    The industrial corridor from Philadelphia to New York was in a period of massive transition during the mid-forties. Genealogists and researchers can trace the rail lines of the Lehigh Valley RR, locate military installations like Picatinny Arsenal, and explore the early sprawl near Levittown.
    5 unique versions available
  10. 1947 Map of Elizabeth
    1947 Map of Elizabeth
    1947 Elizabeth
    1947 Print · USGS
    In the late 1940s, the industrial corridor between Newark and Staten Island reached its peak of rail and maritime activity. Researchers can trace the development of Newark Airport, identify local parish sites like St James, and locate vanished rail stops such as Bay Way Sta.
    2 unique versions available
  13. 1947 Map of Chatham
    1947 Map of Chatham
    1947 Chatham
    1947 Print · USGS
    The Morris and Union County borderlands appear here in the late 1940s as a mix of preserved marshland and rapid suburban growth. Researchers can trace the rail-side development of Stirling and Gillette or locate historic sites like the Bonnie Burn Sanatorium and Murray Hill Sta.
    2 unique versions available
  16. 1947 Map of Perth Amboy
    1947 Map of Perth Amboy
    1947 Perth Amboy
    1947 Print · USGS
    Perth Amboy and its surrounding townships thrived as a powerhouse of New Jersey industry just after the war. You can trace the complex rail yards and waterfront works like the Raritan Copper Works, locate the Edison Mem Beacon, or find family names at Beth Israel Cemetery.
  19. 1947 Map of Roselle
    1947 Map of Roselle
    1947 Roselle
    1947 Print · USGS
    The northern Union County suburbs were rapidly expanding in the late 1940s as rail networks and park systems matured. Genealogists and local historians can trace the development of Summit, Kenilworth, and Linden alongside landmarks like Cranford Junction and Fairview Cem.
    2 unique versions available
  22. 1947 Map of Arthur Kill
    1947 Map of Arthur Kill
    1947 Arthur Kill
    1947 Print · USGS
    Post-war Staten Island and the New Jersey shoreline are revealed here as a landscape of heavy industry and large-scale social institutions. Researchers can trace the roots of local communities through the NY State School Mental Defectives, St Michaels Foundling Home, and the sprawling Standard Oil Co of New Jersey complex.
  25. 1947 Map of Plainfield
    1947 Map of Plainfield
    1947 Plainfield
    1947 Print · USGS
    North-central New Jersey is shown here at a post-war peak of rail and military activity. Researchers can trace the sprawling footprint of Camp Kilmer, find the early runways of Hadley Airport, or locate family sites near New Market and Stelton.
    2 unique versions available
  28. 1949 Map of Newark
    1949 Map of Newark
    1949 Newark
    1949 Print · USGS
    The industrial corridor between Philadelphia and New York comes alive in this post-war survey. Genealogists and historians can trace the massive rail networks of the Reading Railroad and locate major installations like Fort Dix or Picatinny Arsenal.
    2 unique versions available
End of results
Showing maps 1-10 of 10

Top cities of Union County

See more

Frequently asked questions

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