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

Explore 86 historic maps of Montgomery 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 Montgomery 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 Montgomery County's history through authentic maps from the 1900s. This is your window into the past.

Montgomery County, PA maps

(86)
  1. 1901 Map of Camden
    1901 Map of Camden
    1901 Camden
    1901 Print · USGS
    The Delaware River valley at the turn of the century shows a bustling corridor of early industrial growth and established mill towns. Researchers can trace the heritage of local industry at Sycamore Mills or locate early settlements like Penns Grove and Village Green.
    3 unique versions available
  4. 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
  7. 1906 Map of Phoenixville
    1906 Map of Phoenixville
    1906 Phoenixville
    1906 Print · USGS
    The industrial corridor along the Schuylkill River thrives in the early 1900s as rail networks expand through Chester and Montgomery counties. Genealogists and historians can trace old community centers like Seven Stars, Limerick, and the Paoli Monument.
    8 unique versions available
  10. 1920 Map of Philadelphia
    1920 Map of Philadelphia
    1920 Philadelphia
    1920 Print · USGS
    Philadelphia and its New Jersey neighbors are captured here just after the Great War, showing a landscape defined by massive riverfront industry and a dense rail network. Genealogists can trace family footprints through numerous small communities and stations like Blenheim Station, Woodbury Heights, and the grounds of the Alms House.
  13. 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.
  16. 1942 Map of Camden
    1942 Map of Camden
    1942 Camden
    1942 Print · USGS
    The Philadelphia and Camden metropolitan corridor is captured here at the height of the Second World War. Genealogists and historians can trace rail networks like the Reading R.R. and locate communities from Swedesboro to Merchantville.
  19. 1942 Map of Lansdowne
    1942 Map of Lansdowne
    1942 Lansdowne
    1942 Print · USGS
    Delaware County townships thrive just before the mid-century, showing a landscape of dense residential growth and institutional landmarks. Genealogists can trace family sites near Holy Cross Cemetery or old rail hubs like Morton Sta and Lansdowne Sta.
  22. 1943 Map of Philadelphia
    1943 Map of Philadelphia
    1943 Philadelphia
    1943 Print · USGS
    Philadelphia and Camden are shown at their wartime peak, anchored by the industrial activity of the Delaware River waterfront. Genealogists and historians can trace rail-connected neighborhoods and landmarks like the U. S. Navy Yard, Fort Mifflin, and the Alms House.
  25. 1943 Map of Telford
    1943 Map of Telford
    1943 Telford
    1943 Print · USGS
    Bucks and Montgomery Counties are captured here during the mid-century, defined by the busy rail corridor connecting Souderton and Perkasie. Researchers can trace old township boundaries and find long-standing community sites like St Peters Ch, Line Lexington, and Menlo Park.
  28. 1943 Map of Doylestown
    1943 Map of Doylestown
    1943 Doylestown
    1943 Print · USGS
    Bucks County during the early 1940s reveals a settled landscape of crossroads hamlets and family-named landmarks connected by the Reading railroad. Researchers can trace ancestral roots through sites like Beulah Cemetery, the Farm School, and the Luth Ch Spire in Dublin.
  31. 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
  34. 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.
  37. 1943 Map of Norristown
    1943 Map of Norristown
    1943 Norristown
    1943 Print · USGS
    Montgomery County in the early 1940s is a thriving network of rail-side industrial hubs and established borough centers. Genealogists and local historians can trace the development of Norristown and Lansdale or locate landmarks like the Eastern State Penitentiary.
  40. 1943 Map of Sassamansville
    1943 Map of Sassamansville
    1943 Sassamansville
    1943 Print · USGS
    Montgomery County was a patchwork of small townships and crossroads hamlets during the mid-forties. Genealogists and local historians can trace the early footprints of Gilbertsville, Sassamansville, and Frederick, or locate the specific grounds of Ringing Rock Park.
  43. 1943 Map of Boyertown
    1943 Map of Boyertown
    1943 Boyertown
    1943 Print · USGS
    Berks and Montgomery counties are shown at a wartime peak of rail and river industry, centered on the growing boroughs of Boyertown and Pottstown. Genealogists and historians can trace the mid-century layout of Pine Forge, the historic Schuylkill Canal, and local landmarks like Half Way House.
  46. 1943 Map of Phoenixville
    1943 Map of Phoenixville
    1943 Phoenixville
    1943 Print · USGS
    Southeastern Pennsylvania during the early war years shows a landscape defined by the winding Schuylkill River and heavy rail traffic. Genealogists and historians can trace the early Pennsylvania Turnpike and explore historic locales like Fricks Lock and Nantmeal Village.
  49. 1943 Map of Perkiomenville
    1943 Map of Perkiomenville
    1943 Perkiomenville
    1943 Print · USGS
    The Perkiomen Valley was a landscape of winding creeks and rail-stop villages during the early 1940s. Genealogists and local historians can trace family roots through settlements like Perkiomenville, Schwenksville, and Shirks Corner along the READING railroad line.
  52. 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
  55. 1946 Map of Lansdowne
    1946 Map of Lansdowne
    1946 Lansdowne
    1946 Print · USGS
    Delaware County enters the post-war era as a thriving network of rail-connected suburbs and institutional landmarks. Genealogists can trace family plots across Arlington Cemetery or locate old community hubs like Leipers Ch and Swarthmore College.
    2 unique versions available
  58. 1946 Map of Wilmington, 1948 Print
    1946 Map of Wilmington, 1948 Print
    1946 Wilmington
    1948 Print · USGS
    The Delaware Valley and Jersey Shore emerge in this mid-century portrait of a region defined by river commerce and seaside growth. Genealogists and historians can trace the rail networks of the Pennsylvania Railroad, locate early airfields like Dover Airpark, and find river defenses at Fort Delaware.
    2 unique versions available
  61. 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
  64. 1949 Map of Philadelphia, 1953 Print
    1949 Map of Philadelphia, 1953 Print
    1949 Philadelphia
    1953 Print · USGS
    Philadelphia at the close of the 1940s reveals a bustling industrial powerhouse and deeply rooted residential neighborhoods. Researchers can trace the extensive rail lines of the READING RR, locate historic landmarks like Independence Hall, or explore the sprawling US NAVAL RESERVATION and FAIRMOUNT PARK.
    2 unique versions available
  67. 1950 Map of Frankford, 1953 Print
    1950 Map of Frankford, 1953 Print
    1950 Frankford
    1953 Print · USGS
    Philadelphia in the mid-twentieth century shows a bustling industrial and institutional corridor along the Delaware River. Genealogists and historians can trace neighborhood growth through local landmarks like Montefiore Cemetery, Frankford High Sch, and the historic Frankford Arsenal.
    2 unique versions available
  70. 1951 Map of Collegeville, 1953 Print
    1951 Map of Collegeville, 1953 Print
    1951 Collegeville
    1953 Print · USGS
    Montgomery County was a landscape of historic institutional grounds and creek-side villages in the early fifties. Local historians can trace the footprint of Ursinus College, locate the Eastern State Penitentiary, and find old schools like Henry R Boyer Sch.
    2 unique versions available
  73. 1951 Map of Lansdale, 1953 Print
    1951 Map of Lansdale, 1953 Print
    1951 Lansdale
    1953 Print · USGS
    Post-war Montgomery County sees the transition from rural townships to growing boroughs as the rail lines hum with activity. Trace the development of Lansdale and North Wales, or find historic sites like Central Schwenkfelder Ch and the Lansdale Airport.
    2 unique versions available
Showing maps 1-25 of 86

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Frequently asked questions

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