Old Maps of Union County, New Jersey

Explore 68 old maps of Union County, spanning from 1888 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Union County changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Union County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.


Union County, NJ maps

(68)
  1. 1888 Map of Plainfield
    1888 Map of Plainfield
    1888 Plainfield
    1888 Print · USGS
    North-central New Jersey is captured in the late nineteenth century as the rail network rapidly transformed small villages into vital industrial hubs. Genealogists and local researchers can trace the early footprints of Perth Amboy, Metuchen, and Dunellen alongside vanished local place names like Samptown.

  2. 1893 Map of Plainfield
    1893 Map of Plainfield
    1893 Plainfield
    1893 Print · USGS
    In the late nineteenth century, the corridor between the Orange Mountains and the Raritan River was rapidly transforming into a dense rail-and-commuter network. Trace the early footprints of settlements like Feltville and Chatham, or locate vanished industries near Branch Mills and Ash Swamp.
    2 unique versions available

  3. 1898 Map of Plainfield
    1898 Map of Plainfield
    1898 Plainfield
    1898 Print · USGS
    North-central New Jersey at the close of the nineteenth century shows a landscape defined by the ridges of the Watchung Mountains and a rapidly expanding rail network. Genealogists and local historians can trace early property patterns and settlements like Feltville, Connecticut Farms, and the estates near Baltusrol.
    2 unique versions available

  4. 1898 Map of Staten Island
    1898 Map of Staten Island
    1898 Staten Island
    1898 Print · USGS
    Greater Staten Island and the industrial shores of New Jersey are captured during the peak of the Victorian maritime era. Genealogists can trace early neighborhood boundaries and landmarks like Moravian Cemetery, the Morris Canal, and the vanished industry of Linoleumville.

  5. 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.

  6. 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. 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

  8. 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

  9. 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.

  10. 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.

  11. 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.

  12. 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

  13. 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

  14. 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

  15. 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.

  16. 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

  17. 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.

  18. 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

  19. 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

  20. 1955 Map of Plainfield, 1957 Print
    1955 Map of Plainfield, 1957 Print
    1955 Plainfield
    1957 Print · USGS
    Mid-century New Jersey comes to life as industrial rail corridors and the sprawling US Military Reservation Camp Kilmer meet expanding suburbs. Trace early flight at Hadley Airport and local roots at Sacred Heart Sch or Pumptown.
    5 unique versions available

  21. 1955 Map of Arthur Kill, 1957 Print
    1955 Map of Arthur Kill, 1957 Print
    1955 Arthur Kill
    1957 Print · USGS
    Staten Island and the industrial New Jersey shore are captured here in the mid-fifties, just as suburban expansion began to accelerate. Researchers can trace historic institutions and neighborhoods from Sea View Hospital to the Staten Island Rapid Transit line and the Linden Airport.
    2 unique versions available

  22. 1955 Map of Chatham, 1957 Print
    1955 Map of Chatham, 1957 Print
    1955 Chatham
    1957 Print · USGS
    Mid-century Morris, Somerset, and Union Counties are defined here by the intersection of the Great Swamp and the rising Watchung Mountains. Researchers can trace the development of suburban rail corridors and find local landmarks like St Josephs Shrine, Meyersville Cem, and the Watchung Reservation.
    7 unique versions available

  23. 1955 Map of Elizabeth, 1958 Print
    1955 Map of Elizabeth, 1958 Print
    1955 Elizabeth
    1958 Print · USGS
    Greater Newark and Elizabeth are shown here at a peak of industrial and transit development during the mid-fifties. Genealogists and urban historians can trace local parish schools like St Marys Sch, the vast Evergreen Cemetery, and the early layout of Newark Airport.
    2 unique versions available

  24. 1955 Map of Roselle, 1958 Print
    1955 Map of Roselle, 1958 Print
    1955 Roselle
    1958 Print · USGS
    North-central New Jersey thrived during the mid-fifties as the suburban landscape densified around historic rail hubs and new parkways. Genealogists can trace family roots through numerous local landmarks like Fairview Cemetery, Holy Trinity High Sch, and the Lackawanna RR corridor.
    4 unique versions available

  25. 1956 Map of Newark
    1956 Map of Newark
    1956 Newark
    1956 Print · USGS
    The industrial heart of the Mid-Atlantic is captured here at the dawn of the highway era, tracing the dense corridors between Newark and Philadelphia. Genealogists and local historians can map the rail networks of the Reading RR or locate mid-century military life at Fort Dix Military Reservation.
    2 unique versions available

Showing maps 1-25 of 68

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