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

Explore 80 historic maps of Warren 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 Warren 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 Warren County's history through authentic maps from the 1900s. This is your window into the past.

Warren County, NJ maps

(80)
  1. 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.
  4. 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
  7. 1905 Map of High Bridge
    1905 Map of High Bridge
    1905 High Bridge
    1905 Print · USGS
    Hunterdon County at the opening of the twentieth century was a vital junction for New Jersey’s industrial rail lines and river-powered settlements. Researchers can trace the legacy tracks of the Central Railroad of New Jersey and locate early communities like High Bridge, Clinton, and Annandale.
    4 unique versions available
  10. 1905 Map of Hackettstown
    1905 Map of Hackettstown
    1905 Hackettstown
    1905 Print · USGS
    Warren and Morris Counties at the turn of the century show a landscape defined by industrial transport and river valleys. Researchers can trace the historic Morris Canal and the complex rail networks serving towns like Hackettstown, Vienna, and Oxford.
    5 unique versions available
  13. 1924 Map of Bushkill
    1924 Map of Bushkill
    1924 Bushkill
    1924 Print · USGS
    The Pennsylvania and New Jersey borderlands come to life in the mid-twenties, showing a landscape of small school districts and traditional river crossings. Researchers can locate family landmarks like Marshall Falls, trace the Delaware Lackawanna and Western rail line, and find old sites like Smoky Hill School.
  16. 1932 Map of Easton
    1932 Map of Easton
    1932 Easton
    1932 Print · USGS
    The Delaware River valley thrived as a corridor of industry and transport in the early 1930s, bridging Pennsylvania and New Jersey. Genealogists and historians can trace the legacy of early industry along the Morris Canal or locate local landmarks like St Josephs Ch and Mine Hill.
    5 unique versions available
  19. 1936 Map of Delaware Water Gap
    1936 Map of Delaware Water Gap
    1936 Delaware Water Gap
    1936 Print · USGS
    The Delaware River valley thrived in the mid-thirties as a critical junction for coal-hauling railroads and mountain tourism. Local historians can trace family roots through numerous rural landmarks like Spoke Factory Sch, Ross Cem, and Slateford Junction.
    4 unique versions available
  22. 1941 Map of Delaware Water Gap
    1941 Map of Delaware Water Gap
    1941 Delaware Water Gap
    1941 Print · USGS
    The Delaware River valley is captured here in the early 1940s, showing the borderlands of Pennsylvania and New Jersey. Genealogists can trace family names through dozens of rural landmarks like Three Church Hill, Brass Castle, and the Stone Church PO.
  25. 1942 Map of Delaware Water Gap
    1942 Map of Delaware Water Gap
    1942 Delaware Water Gap
    1942 Print · USGS
    The Delaware River gorge and its surrounding ridges come into focus during the early war years, highlighting a critical rail and river junction. Trace local history through family-named landmarks like Miller Ch, rural Quaker Plain Sch, and the unique name of Manunka Chunk.
    3 unique versions available
  28. 1943 Map of Bushkill
    1943 Map of Bushkill
    1943 Bushkill
    1943 Print · USGS
    Monroe County and the Delaware River valley are captured in the early 1940s during a time of rural persistence and local industry. Genealogists and historians can locate family landmarks like Dimicks Ferry, St Thomas Chapel, and the vanished sites of Craig Meadows.
    2 unique versions available
  31. 1943 Map of High Bridge
    1943 Map of High Bridge
    1943 High Bridge
    1943 Print · USGS
    Western New Jersey industrial and institutional corridors are meticulously mapped here during the early war years. Genealogists and historians can trace family locations near the NJ State Hospital or the Grobelis Farm, and identify vanished local landmarks like the Air Raid Station and Asbury Graphite Refinery.
  34. 1943 Map of Blairstown
    1943 Map of Blairstown
    1943 Blairstown
    1943 Print · USGS
    Warren County in the early 1940s shows a landscape of ridge-top forests and valley hamlets connected by the Delaware Lackawanna and Western. Researchers can locate the Hematite Mine, trace the historic campus of Blair Academy, or find local family sites near Swayzes Mills.
  37. 1943 Map of Bangor
    1943 Map of Bangor
    1943 Bangor
    1943 Print · USGS
    The slate and cement industries of the Pennsylvania-New Jersey border are captured in high detail at the height of wartime production. Genealogists and industrial historians can trace rail spurs to the Old Bangor Slate Quarry, locate the Middaghs PO, and find rural landmarks like Three Church Hill.
  40. 1943 Map of Portland
    1943 Map of Portland
    1943 Portland
    1943 Print · USGS
    The Delaware River valley was a bustling corridor of rail and river transit during the early years of the Second World War. Researchers can trace the paths of several major railroads, locate family sites like the Fairview Cemetery, and find old infrastructure such as the Myers Ferry and Hainesburg RR Sta.
    2 unique versions available
  43. 1943 Map of Hackettstown
    1943 Map of Hackettstown
    1943 Hackettstown
    1943 Print · USGS
    New Jersey's northwestern hills and valleys come alive in this wartime survey, showing the industry and landscapes of the Musconetcong and Raritan watersheds. Genealogists and historians can trace rail lines to the N J Hosiery Mill, the State Fish Hatchery, and rural centers like Drakestown and Springtown.
  46. 1943 Map of Washington
    1943 Map of Washington
    1943 Washington
    1943 Print · USGS
    Warren County at the height of the second World War reveals a busy landscape of industry and rail. Genealogists can trace family names at the Pequest Union Cemetery or find historic workplaces like Oxford Furnace and the Magnetite Mine.
  49. 1943 Map of Easton
    1943 Map of Easton
    1943 Easton
    1943 Print · USGS
    Easton and Phillipsburg emerge as a powerhouse of industrial and river activity at the height of the 1940s. Genealogists and historians can trace the paths of the Lehigh Canal, locate the South Easton Cem, and identify old sites like Island Park and the Vulcanite Cement Co.
  52. 1943 Map of Bethlehem
    1943 Map of Bethlehem
    1943 Bethlehem
    1943 Print · USGS
    Northampton and Lehigh counties hummed with industry and river commerce during the early war years. Researchers can trace the path of the Lehigh Valley RR, locate family-named landmarks like Chief Tatamy, and find rural schools such as Mexico School and Poplar Valley Sch.
  55. 1943 Map of Riegelsville
    1943 Map of Riegelsville
    1943 Riegelsville
    1943 Print · USGS
    The Delaware River corridor comes alive in the early 1940s, highlighting the industrial and transport ties between eastern Pennsylvania and New Jersey. Genealogists and historians can trace the foundations of local industry at Durham Furnace or locate family roots near Durham Union Church and the Finesville School.
  58. 1943 Map of Belvidere
    1943 Map of Belvidere
    1943 Belvidere
    1943 Print · USGS
    The river and rail corridors of Warren County define this wartime landscape as it stood in the early 1940s. Genealogists and historians can trace the local industry of Belvidere, the early runways of Martins Creek Airport, and the historic industrial site of Oxford Furnace.
  61. 1943 Map of Bloomsbury
    1943 Map of Bloomsbury
    1943 Bloomsbury
    1943 Print · USGS
    Bloomsbury and the Musconetcong Valley are captured here during the mid-forties, showing a landscape shaped by heavy industry and vital rail corridors. Researchers can trace the massive Edison Portland Cement Co, the path of the Morris Canal, and local landmarks like Kennedy Mills.
  64. 1943 Map of Flatbrookville
    1943 Map of Flatbrookville
    1943 Flatbrookville
    1943 Print · USGS
    The Delaware River borderlands are captured here during the 1940s, showing a landscape of mountain ridges and riverside ferry crossings. Genealogists can locate old homesteads and landmarks like Wintermutes Foundry, Newbakers Corners, and Stillwater TWS School.
  67. 1943 Map of Tranquility
    1943 Map of Tranquility
    1943 Tranquility
    1943 Print · USGS
    Warren and Sussex Counties were defined by quiet hamlets and intersecting rail lines in the mid-forties, long before the modern interstate era. Researchers can trace historic family landmarks and rural infrastructure from the Quaker Church to the Delaware Lackawanna and Western RR and the old settlement of Waterloo.
  70. 1943 Map of Stroudsburg, 1944 Print
    1943 Map of Stroudsburg, 1944 Print
    1943 Stroudsburg
    1944 Print · USGS
    The Poconos and the Delaware Water Gap are captured here during the wartime era, showing a mix of industrial centers and mountain terrain. Researchers can trace the rail lines serving Slate Quarries or find local landmarks like Temple Israel and Mammoth Hosiery Mills.
  73. 1944 Map of Bushkill, 1956 Print
    1944 Map of Bushkill, 1956 Print
    1944 Bushkill
    1956 Print · USGS
    The Delaware Water Gap region is seen here during the mid-1940s, just as the mountain landscape was becoming a premier recreation destination. Genealogists and hikers can trace old river crossings like Dimicks Ferry and landmark sites such as Bushkill Falls and Sand Hill Ch Cem.
    7 unique versions available
Showing maps 1-25 of 80

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