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1900s (20th Century) Maps of Lehigh County, Pennsylvania

Explore 60 historic maps of Lehigh 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 Lehigh 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 Lehigh County's history through authentic maps from the 1900s. This is your window into the past.

Lehigh County, PA maps

(60)
  1. 1902 Map of Boyertown
    1902 Map of Boyertown
    1902 Boyertown
    1902 Print · USGS
    Southeast Pennsylvania at the dawn of the century reveals an intricate landscape of iron-era settlements and early rail networks. Genealogists and historians can trace the foundations of Boyertown, locate rural landmarks like Landis Store, or follow the path of the Schuylkill Canal.
    9 unique versions available
  4. 1902 Map of Slatington
    1902 Map of Slatington
    1902 Slatington
    1902 Print · USGS
    Lehigh County's industrial and quarrying heart comes into focus at the dawn of the 1900s. Researchers can trace the path of the Lehigh Canal and locate family landmarks like Peters Store, Jordan Church, and the Consolidated Quarries.
    5 unique versions available
  7. 1909 Map of Hamburg, 1957 Print
    1909 Map of Hamburg, 1957 Print
    1909 Hamburg
    1957 Print · USGS
    Schuylkill and Berks counties are captured here during the height of the steam era, showing the intricate relationship between the mountain gaps and the rail lines. Genealogists and researchers can trace old postal routes through Wessnersville Stony Run P O, locate the historic Five Locks, and identify family farms near Crystal Cave.
  10. 1911 Map of Hamburg
    1911 Map of Hamburg
    1911 Hamburg
    1911 Print · USGS
    Berks and Schuylkill counties are captured here at a peak of rail-driven rural life just before the Great War. Researchers can trace family roots through specific locales like New Ringgold, Dorset Sta, and the historic Five Locks along the Schuylkill River.
    5 unique versions available
  13. 1922 Map of Mauch Chunk, 1952 Print
    1922 Map of Mauch Chunk, 1952 Print
    1922 Mauch Chunk
    1952 Print · USGS
    The industrial Lehigh Valley thrives in the early 1920s, dominated by the winding river and two major competing railroad lines. Genealogists can locate old rural landmarks like the Larrytown Poor Farm, Indian Hills School, and the busy rail hub of Mauch Chunk.
    2 unique versions available
  16. 1924 Map of Mauch Chunk
    1924 Map of Mauch Chunk
    1924 Mauch Chunk
    1924 Print · USGS
    Carbon County in the early twenties is a landscape of industrial power and rural mountain life, dominated by the winding Lehigh River. Genealogists and historians can trace family roots through numerous small schools like Lentz School and old settlements from Mauch Chunk to Palmerton.
    4 unique versions available
  19. 1937 Map of Allentown West
    1937 Map of Allentown West
    1937 Allentown West
    1937 Print · USGS
    Lehigh County at the end of the Depression era reveals a dense network of rural schoolhouses and crossroads hamlets before post-war expansion. Genealogists can trace family names at James Peters Sch or Heidelberg Sch, and locate landmarks like Schantz Spr and Rising Sun.
  22. 1939 Map of Allentown
    1939 Map of Allentown
    1939 Allentown
    1939 Print · USGS
    The Lehigh Valley thrives as an industrial and aviation hub in the mid-1930s, where rail lines and early airfields meet historic Pennsylvania townships. Researchers can trace family roots through dozens of rural landmarks like Washington Sch, Christian Springs, and the Vera Cruz Sta.
    4 unique versions available
  25. 1942 Map of Norristown
    1942 Map of Norristown
    1942 Norristown
    1942 Print · USGS
    Southeastern Pennsylvania at the onset of World War II shows a landscape of busy industrial river towns and expanding rail suburbs. Genealogists and historians can trace the early transit networks connecting Norristown, Doylestown, and the riverfront at New Hope.
  28. 1942 Map of Allentown West
    1942 Map of Allentown West
    1942 Allentown West
    1942 Print · USGS
    Lehigh County during the early war years displays a landscape of industrial river towns and agrarian crossroads. Researchers can locate dozens of country schools like Snyder Sch, historic landmarks like Cedar Crest College, and the sprawling Trexler Game Preserve.
    3 unique versions available
  31. 1943 Map of Mauch Chunk
    1943 Map of Mauch Chunk
    1943 Mauch Chunk
    1943 Print · USGS
    The Lehigh River corridor is captured here during the mid-forties, showing the vital rail and industry centers of Carbon County. Genealogists and researchers can trace dozens of rural schoolhouses and family-named landmarks like the Larrytown Poor Farm, St Pauls Ch, and Three O'clock Spring.
  34. 1943 Map of Milford Square
    1943 Map of Milford Square
    1943 Milford Square
    1943 Print · USGS
    Southeastern Pennsylvania's tri-county borderlands come to life in this mid-century survey. Genealogists can trace family roots through historic hamlets like Mumbauersville, Geryville, and the transit corridor of the Fogelsville Branch rail line.
    2 unique versions available
  37. 1943 Map of East Greenville
    1943 Map of East Greenville
    1943 East Greenville
    1943 Print · USGS
    Southeast Pennsylvania at the height of the war years reveals a landscape of dense small settlements and rural industry. Genealogists and historians can trace family roots through the grids of East Greenville and Pennsburg or locate landmarks like Huffs Church and Seisholtzville.
  40. 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.
  43. 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
  46. 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
  49. 1956 Map of East Greenville
    1956 Map of East Greenville
    1956 East Greenville
    1956 Print · USGS
    The Upper Perkiomen Valley thrives in the mid-fifties, centered on the boroughs of East Greenville and Pennsburg along the Reading railroad. Genealogists and local historians can locate country landmarks like New Goshenhoppen Ch, Kings Highway Sch, and the Hosensack Sta.
    6 unique versions available
  52. 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
  55. 1956 Map of Kutztown, 1957 Print
    1956 Map of Kutztown, 1957 Print
    1956 Kutztown
    1957 Print · USGS
    Mid-century Berks County comes into focus as a landscape of rural tradition and collegiate growth. Researchers can trace local heritage at Kutztown State Teachers College, explore family roots near New Jerusalem Ch, or locate the historic Dietrichs Mill Bridge along the creek.
    7 unique versions available
  58. 1956 Map of New Ringgold, 1957 Print
    1956 Map of New Ringgold, 1957 Print
    1956 New Ringgold
    1957 Print · USGS
    Schuylkill and Berks counties are captured here in the mid-fifties, showing a landscape of ridge-top trails and valley railroads. Genealogists and historians can trace family roots through the West Penn Ch Cem, numerous rural schoolhouses like Dorset Sch, and the quiet borough of New Ringgold.
    6 unique versions available
  61. 1956 Map of New Tripoli, 1957 Print
    1956 Map of New Tripoli, 1957 Print
    1956 New Tripoli
    1957 Print · USGS
    Lehigh County's agricultural valleys and the ridge lines of BLUE MOUNTAIN are captured here in the mid-1950s. Researchers can trace the Reading railroad through Lynnport and Wanamakers or locate family sites near New Jerusalem Ch and Ontelaunee Park.
    7 unique versions available
  64. 1956 Map of Hamburg, 1960 Print
    1956 Map of Hamburg, 1960 Print
    1956 Hamburg
    1960 Print · USGS
    Pennsylvania's ridge-and-valley country comes to life in the mid-fifties, from the Schuylkill River to the Lehigh border. Genealogists and hikers can trace the Appalachian Trail over Blue Mountain or locate family roots near New Bethel Ch and Crystal Cave.
    2 unique versions available
  67. 1957 Map of Newark
    1957 Map of Newark
    1957 Newark
    1957 Print · USGS
    The industrial and military heart of the Mid-Atlantic is mapped during its post-war suburban boom. Genealogists and historians can trace the intricate rail corridors of the Reading Railroad and locate key landmarks from Princeton University to Fort Hancock.
  70. 1957 Map of Milford Square, 1959 Print
    1957 Map of Milford Square, 1959 Print
    1957 Milford Square
    1959 Print · USGS
    Upper Bucks and Montgomery counties are captured in the late fifties as the new turnpike began to reshape rural life. Researchers can find numerous country churches and local schools, from Great Swamp Ch to the Weikel Sch and Trumbon Valley Sch.
    4 unique versions available
  73. 1957 Map of Allentown, 1960 Print
    1957 Map of Allentown, 1960 Print
    1957 Allentown
    1960 Print · USGS
    The Lehigh Valley in the late fifties was a powerhouse of rail and industry centered on the river's winding path. Genealogists and local historians can trace the footprint of the State Hospital, early schools like Moravian College, and rural markers like Christ Springs Ch.
    3 unique versions available
Showing maps 1-25 of 60

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