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1900s (20th Century) Maps of Middlesex County, New Jersey

Explore 63 historic maps of Middlesex County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 1900s, 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 1900s, 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 1900s. This is your window into the past.

Middlesex County, NJ maps

(63)
  1. 1900 Map of Passaic
    1900 Map of Passaic
    1900 Passaic
    1900 Print · USGS
    Northern New Jersey and the New York Harbor are captured here at the close of the nineteenth century, showing a landscape defined by rail, river, and coastal defense. Researchers can trace the original path of the Morris Canal, locate Seton Hall College, and explore the batteries at Fort Wadsworth.
  4. 1900 Map of Staten Island
    1900 Map of Staten Island
    1900 Staten Island
    1900 Print · USGS
    The New York and New Jersey harbor comes alive in the late Victorian era, showing Staten Island when small villages and defensive forts still defined the coastline. Trace family roots and vanished landmarks through Fort Wadsworth, the Morris Canal, and historic settlements like Rossville or Tottenville.
    10 unique versions available
  7. 1900 Map of Raritan
    1900 Map of Raritan
    1900 Raritan
    1900 Print · USGS
    North Jersey in the late nineteenth century was a complex web of mountain ridges and vital rail corridors. Researchers can trace ancestral routes through old junctions like High Bridge, industrial sites at Mine Hill, and the shores of Lake Hopatcong.
  10. 1901 Map of New Brunswick
    1901 Map of New Brunswick
    1901 New Brunswick
    1901 Print · USGS
    Middlesex and Monmouth counties are depicted here at the height of the railroad era, as industrial centers like New Brunswick grew alongside rural farmlands. Genealogists and historians can trace family-named landmarks and old hamlets from Old Church and Matchaponix to the site of the Monmouth Battle Ground.
    5 unique versions available
  13. 1901 Map of Sandy Hook
    1901 Map of Sandy Hook
    1901 Sandy Hook
    1901 Print · USGS
    The Jersey Shore and Raritan Bay come to life in this late Victorian-era survey of the Monmouth County coast. Trace the early rail lines at Port Monmouth Sta or locate family landmarks like Stone Church and Telegraph Hill.
    6 unique versions available
  16. 1902 Map of Navesink
    1902 Map of Navesink
    1902 Navesink
    1902 Print · USGS
    Coastal New Jersey and the Raritan valley are shown here at the turn of the century, when industrial hubs and maritime defenses defined the shoreline. Genealogists can trace family roots through settlements like Old Bridge and Milltown, or locate local landmarks like the State Reform School.
    3 unique versions available
  19. 1905 Map of Plainfield
    1905 Map of Plainfield
    1905 Plainfield
    1905 Print · USGS
    North-central New Jersey at the turn of the century shows a landscape transitioning from rural townships to a bustling suburban and industrial network. Researchers can trace early property patterns and rail expansion through Great Swamp, Washington Rock, and Baltusrol.
    6 unique versions available
  22. 1905 Map of Raritan
    1905 Map of Raritan
    1905 Raritan
    1905 Print · USGS
    Northern New Jersey's ridges and valleys are meticulously detailed here at the turn of the century. You can trace the complex rail networks of the Lehigh Valley R.R. and locate family landmarks from Swayze Mills to the Powder Depot near Picatinny Peak.
    2 unique versions available
  25. 1905 Map of Somerville
    1905 Map of Somerville
    1905 Somerville
    1905 Print · USGS
    Central New Jersey at the start of the twentieth century shows a landscape shaped by the Raritan River and early rail expansion. Researchers can trace the Delaware and Raritan Canal, locate landmarks like Chimney Rock, and find old centers like Pluckemin and Bernardsville.
    3 unique versions available
  28. 1905 Map of Passaic
    1905 Map of Passaic
    1905 Passaic
    1905 Print · USGS
    Northern New Jersey and Staten Island appear here at a pivotal moment of early 20th-century growth and industrialization. Researchers can trace the development of transit hubs like Convent Sta. or locate legacy landmarks including Hillside Cemetery and the Moravian Cemetery.
    4 unique versions available
  31. 1906 Map of Princeton
    1906 Map of Princeton
    1906 Princeton
    1906 Print · USGS
    New Jersey’s educational and transportation corridors are captured here in the early twentieth century, showing a landscape defined by canals and competing rail lines. Genealogists can trace family roots through settlements like Princeton, Rocky Hill, and Plainsboro.
    4 unique versions available
  34. 1907 Map of Trenton
    1907 Map of Trenton
    1907 Trenton
    1907 Print · USGS
    The Delaware River valley hums with turn-of-the-century industry and transport as river canals and railroads converge between New Jersey and Pennsylvania. Genealogists and local historians can trace the footprint of the George School, find early post offices like Holland PO, or locate old mill sites such as Blackwells Mills.
    4 unique versions available
  37. 1918 Map of Sandy Hook, 1921 Print
    1918 Map of Sandy Hook, 1921 Print
    1918 Sandy Hook
    1921 Print · USGS
    Monmouth County's coastline and interior settlements are captured during the final months of the First World War. Genealogists and historians can trace the early rail network through Little Silver Sta or locate old landmarks like Stone Church and Fort Hancock.
  40. 1919 Map of New Brunswick, 1921 Print
    1919 Map of New Brunswick, 1921 Print
    1919 New Brunswick
    1921 Print · USGS
    Middlesex and Monmouth counties are depicted here in the years following the Great War, when rail lines and river commerce still drove the region’s growth. Researchers can trace the sprawling Pennsylvania Railroad network through industrial hubs like Jamesburg or visit the hallowed Monmouth Battle Ground.
  43. 1921 Map of Plainfield
    1921 Map of Plainfield
    1921 Plainfield
    1921 Print · USGS
    New Jersey's industrial corridor meets the ridges of the First and Second Mountains in the early twenties. Genealogists can trace family names and small settlements like Raritan Landing, Smalleytown, and the grounds of the New Jersey Reformatory.
  46. 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
  49. 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
  52. 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.
  55. 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
  58. 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.
  61. 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.
  64. 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.
  67. 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
  70. 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.
  73. 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.
Showing maps 1-25 of 63

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