1940s Maps of Middlesex County, New Jersey

Explore 18 historic maps of Middlesex 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 Middlesex 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 Middlesex County's history through authentic maps from the 1940s. This is your window into the past.


Middlesex County, NJ maps

(18)
  1. 1940 Map of South Amboy
    1940 Map of South Amboy
    1940 South Amboy
    1940 Print · USGS
    Coastal Middlesex County at the dawn of the 1940s reveals a landscape of heavy rail, maritime commerce, and emerging state parks. Local historians can trace the paths of the Raritan River RR, find the Polish Cem, or locate the Great Beds LH off the shore.
    2 unique versions available

  2. 1941 Map of South Amboy
    1941 Map of South Amboy
    1941 South Amboy
    1941 Print · USGS
    Coastal Middlesex County comes alive in this pre-war survey, showing the busy maritime and rail corridors between the Raritan River and the bay. Researchers can trace the layout of South Amboy, locate the Polish Cem, and find the U S Military Reservation.
    2 unique versions available

  3. 1942 Map of Hightstown
    1942 Map of Hightstown
    1942 Hightstown
    1942 Print · USGS
    Central New Jersey during the early years of the war displays a unique blend of scholarly institutions and agricultural hamlets. Researchers can trace the development of Hightstown and Plainsboro, or locate sites like Grovers Mills and the Peddie Prep Sch.

  4. 1942 Map of New Brunswick
    1942 Map of New Brunswick
    1942 New Brunswick
    1942 Print · USGS
    New Brunswick and its surrounding Middlesex County townships are shown just before the war, when rail lines and early highways defined the region. Genealogists can trace family names at local crossroads like Berdines Cor or locate the McGinnis Sch and Sejeh Yehudo Cemetery.
    2 unique versions available

  5. 1942 Map of Jamesburg
    1942 Map of Jamesburg
    1942 Jamesburg
    1942 Print · USGS
    Central New Jersey during the early 1940s reveals a network of rail-dependent boroughs and rural townships. Genealogists and historians can trace family locations near Old Church, identify the grounds of the Jamesburg State Reformatory, and locate vanished points like Bergen Mills.

  6. 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.

  7. 1943 Map of South Amboy
    1943 Map of South Amboy
    1943 South Amboy
    1943 Print · USGS
    The industrial corridor of the Raritan valley thrives in the 1940s, balancing wartime military installations with a massive brick and clay industry. Researchers can trace the sprawling Raritan Arsenal, family farms like the J R Cotrell Farm, and local landmarks like the Beth Israel Cem.

  8. 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

  9. 1946 Map of Princeton, 1952 Print
    1946 Map of Princeton, 1952 Print
    1946 Princeton
    1952 Print · USGS
    Central New Jersey at the start of the post-war era reveals a landscape defined by its prestigious institutions and expanding rail corridors. Genealogists can locate family landmarks like Rosedale Chapel or trace the early grounds of the Lawrenceville School.

  10. 1947 Map of Keyport
    1947 Map of Keyport
    1947 Keyport
    1947 Print · USGS
    Monmouth County's bay shore and its post-war industrial landscape are captured here just as the rail-driven economy reached its peak. Researchers can trace family roots through the Green Grove Cemetery or locate old industry at the Craigen Brick Co and Keyport Rubber Factory.

  11. 1947 Map of Bound Brook
    1947 Map of Bound Brook
    1947 Bound Brook
    1947 Print · USGS
    Somerset County is shown at its post-war industrial peak when the confluence of the Raritan and Millstone rivers was a bustling rail hub. Genealogists and historians can trace the foundations of Manville, identify the expansive Duke Estate, or locate family sites near Serca Pana Jezusa Cem.

  12. 1947 Map of Monmouth Junction
    1947 Map of Monmouth Junction
    1947 Monmouth Junction
    1947 Print · USGS
    Central New Jersey in the late 1940s reveals a landscape of river-side canal towns and bustling rail hubs. Genealogists and local historians can trace the branching lines at Monmouth Junction and locate Washingtons Headquarters near Kingston.

  13. 1947 Map of Freehold
    1947 Map of Freehold
    1947 Freehold
    1947 Print · USGS
    Mid-century Monmouth County comes to life as a network of crossroads hamlets and family mills connected by the Pennsylvania Railroad. Genealogists and local historians can trace legacy sites like Old Tennent Ch, the small community of Mc Gelliards, and the Asbury Park Airport.

  14. 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.

  15. 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.

  16. 1947 Map of Jamesburg
    1947 Map of Jamesburg
    1947 Jamesburg
    1947 Print · USGS
    Middlesex County's rail-connected towns and crossroads settlements are captured here just after the war. Local researchers can trace the grounds of the Jamesburg State Reformatory, locate the old Monroe Sch, and explore vanished stop points like Matchaponix and Bergen Mills.

  17. 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

  18. 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 1-18 of 18

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