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Old Maps of Allen County, Ohio

Explore 90 old maps of Allen County, spanning from 1906 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 Allen 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 Allen County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Allen County, OH maps

(90)
  1. 1906 Map of Lima, 1943 Print
    1906 Map of Lima, 1943 Print
    1906 Lima
    1943 Print · USGS
    Northwest Ohio’s industrial heart beats at the turn of the century, dominated by a dense rail network. Trace the early Buckeye oil era through the Oil Tanks near Lima or locate family roots in Cridersville, Uniopolis, and Wapakoneta.
    2 unique versions available
  4. 1906 Map of Columbus Grove, 1956 Print
    1906 Map of Columbus Grove, 1956 Print
    1906 Columbus Grove
    1956 Print · USGS
    In the early twentieth century, Putnam and Allen Counties were centers of Ohio's rail and pike expansion. Researchers can trace historic transportation lines like the Ohio Electric Railway and locate long-standing community landmarks such as Leatherwood Church, Kalida, and Slabtown.
  7. 1907 Map of Bluffton
    1907 Map of Bluffton
    1907 Bluffton
    1907 Print · USGS
    Northwestern Ohio at the height of the steam and electric rail era shows a landscape of growing college towns and productive farmland. Trace the intersection of the Ohio Northern RR and Lake Erie and Western RR, or find vanished community hubs like Lafayette Herring PO and the Hillsville School.
    3 unique versions available
  10. 1908 Map of Columbus Grove, 1932 Print
    1908 Map of Columbus Grove, 1932 Print
    1908 Columbus Grove
    1932 Print · USGS
    Northwestern Ohio at the start of the century reveals a landscape undergoing a rapid rail-driven expansion. Researchers can trace the path of the Lima and Pittsburg Electric RR and locate rural landmarks like the Leatherwood Church or the County Infirmary.
  13. 1911 Map of Spencerville, 1942 Print
    1911 Map of Spencerville, 1942 Print
    1911 Spencerville
    1942 Print · USGS
    Western Ohio in the early 1900s was a hub of canal and rail transport, anchored by the industrial and shipping activity in St Marys. Genealogists and historians can trace numerous rural schoolhouses like Hardscrabble School and the path of the Miami and Erie Canal.
  16. 1911 Map of Delphos, 1942 Print
    1911 Map of Delphos, 1942 Print
    1911 Delphos
    1942 Print · USGS
    Northwest Ohio at the height of the steam and electric rail era shows a landscape deeply organized by section lines and turnpikes. Genealogists can trace rural family life through dozens of named sites like Eickholt School, Horeb Church, and the town of Landeck.
  19. 1913 Map of Alger
    1913 Map of Alger
    1913 Alger
    1913 Print · USGS
    Western Ohio's agricultural heartland is documented here just before the Great War, showing a landscape shaped by drainage ditches and rail lines. Locate family landmarks like the Bee Hive School, Mt Zion Church, and the vanished stops along the Chicago & Erie Railroad.
    2 unique versions available
  22. 1915 Map of Alger
    1915 Map of Alger
    1915 Alger
    1915 Print · USGS
    Northwest Ohio's agricultural and rail heartland is captured here just before the First World War. Genealogists can locate family homesteads near dozens of early rural schoolhouses like Kingsley School and trace the paths of the ERIE RR and LAKEVIEW ELECTRIC ROAD.
    4 unique versions available
  25. 1943 Map of Alger
    1943 Map of Alger
    1943 Alger
    1943 Print · USGS
    During the early 1940s, this pocket of Ohio was a landscape of rail-fed villages and drainage ditches. Trace family roots across a grid of rural schools like Sugarfree Sch, follow the Erie RR through Alger, or explore the shores of Indian Lake.
  28. 1944 Map of Delphos
    1944 Map of Delphos
    1944 Delphos
    1944 Print · USGS
    The rail-and-river landscape of West-Central Ohio is captured here during the mid-forties, showing the intersection of three counties. Genealogists can locate family roots via dozen of named schools like Raabe Sch and churches such as Morris Chapel or the Mennonite Cem.
  31. 1944 Map of Spencerville
    1944 Map of Spencerville
    1944 Spencerville
    1944 Print · USGS
    Mid-century Western Ohio is shown here at the height of its rail and canal era. Genealogists can trace family roots through dozens of rural landmarks like Deep Cut Sch, Walnut Grove Church, and the Artesian Well at St Marys.
  34. 1950 Map of Marion
    1950 Map of Marion
    1950 Marion
    1950 Print · USGS
    Central Ohio was a powerhouse of rail and river industry at the mid-century point, serving as a vital corridor between the Great Lakes and the Ohio River valley. Genealogists and rail historians can trace the paths of the Erie RR and Nickel Plate Road through towns like Bucyrus, Galion, and Upper Sandusky.
  37. 1953 Map of Muncie, 1966 Print
    1953 Map of Muncie, 1966 Print
    1953 Muncie
    1966 Print · USGS
    Indiana and Ohio borderlands thrive in the early fifties, showing a landscape defined by manufacturing cities and an intensive railroad network. Genealogists can trace family roots across the Indiana-Ohio line through Muncie, Celina, and Portland via the Pennsylvania railroad.
    5 unique versions available
  40. 1956 Map of Muncie
    1956 Map of Muncie
    1956 Muncie
    1956 Print · USGS
    Eastern Indiana and western Ohio are shown at a peak of rail-driven industry in the mid-fifties. Genealogists and rail historians can trace the paths of the Pennsylvania RR through Muncie or locate landmarks like Lake Saint Marys (Grand Lake Reservoir) and Frances Slocum State Forest.
  43. 1960 Map of Columbus Grove, 1961 Print
    1960 Map of Columbus Grove, 1961 Print
    1960 Columbus Grove
    1961 Print · USGS
    Columbus Grove in the early sixties sits at a busy tri-rail junction where the landscape is still marked by the Old Indian Treaty Boundary. Genealogists can trace family lands along Trumbo Road and locate several burial sites like Bogart Cem and Truro Cem.
    2 unique versions available
  46. 1960 Map of Bluffton, 1961 Print
    1960 Map of Bluffton, 1961 Print
    1960 Bluffton
    1961 Print · USGS
    Agricultural life in Allen and Putnam counties reached a mid-century peak when rail lines and country roads still defined the local economy. Genealogists and historians can trace family-named landmarks like Hilty Cem and institutional hubs such as Bluffton College.
    4 unique versions available
  49. 1960 Map of Delphos, 1961 Print
    1960 Map of Delphos, 1961 Print
    1960 Delphos
    1961 Print · USGS
    Delphos and the surrounding farm townships of Allen and Van Wert counties are captured here at the start of the 1960s. Researchers can trace the legacy of the Miami and Erie Canal (Abandoned) alongside active rail lines and rural landmarks like Morris Chapel and Landeck.
    3 unique versions available
  52. 1960 Map of Cairo, 1961 Print
    1960 Map of Cairo, 1961 Print
    1960 Cairo
    1961 Print · USGS
    Allen County farmland meets the industrial expansion of Lima during the early sixties, showing a landscape defined by heavy rail and institutional grounds. Genealogists can trace family sites like Altstaetter Cem, the crossroads at Cairo, and the Lima State Hospital.
    4 unique versions available
  55. 1960 Map of Spencerville, 1961 Print
    1960 Map of Spencerville, 1961 Print
    1960 Spencerville
    1961 Print · USGS
    Spencerville and the surrounding farm country are captured here in the early sixties as the landscape transition from canal-era roots to mid-century industry. Genealogists and historians can trace the Miami and Erie Canal, Fort Amanda State Park, and local sites like St Patricks Cem.
    3 unique versions available
  58. 1960 Map of Middle Point, 1961 Print
    1960 Map of Middle Point, 1961 Print
    1960 Middle Point
    1961 Print · USGS
    Western Ohio farm country and rail corridors are preserved here as they appeared in the early sixties. Genealogists and local researchers can trace family lands near Venedocia and Landeck or locate burials at King Cem and Horeb Cem.
    3 unique versions available
  61. 1960 Map of Elgin, 1961 Print
    1960 Map of Elgin, 1961 Print
    1960 Elgin
    1961 Print · USGS
    Western Ohio farmland is captured here in the early sixties at the meeting point of four counties. Genealogists and historians can trace family-named landmarks like Fissel Lauth Cem and Hankin Cem or locate the village of Elgin along the Erie Lackawanna Railroad.
  64. 1960 Map of Elida, 1961 Print
    1960 Map of Elida, 1961 Print
    1960 Elida
    1961 Print · USGS
    Allen County at the dawn of the 1960s shows a landscape of river-valley villages and productive farmland on the edge of a growing industrial center. Genealogists and researchers can map the specific locations of Christian Mennonite Sch, Greenlawn Cem, and Gomer.
    3 unique versions available
  67. 1961 Map of Lima, 1962 Print
    1961 Map of Lima, 1962 Print
    1961 Lima
    1962 Print · USGS
    Allen and Auglaize counties were reaching their mid-century peak in this early 1960s survey of the local rail and water infrastructure. Researchers can trace the path of the Old Indian Treaty Boundary or locate family sites at Fletcher Cem and Victory Ch.
    4 unique versions available
  70. 1961 Map of Beaverdam, 1963 Print
    1961 Map of Beaverdam, 1963 Print
    1961 Beaverdam
    1963 Print · USGS
    Beaverdam and Lafayette serve as local hubs in this 1960s survey of western Ohio's rail and river country. Researchers can trace rural lineages through numerous sites like Gratz Cem, Woodland Cem, and Liberty Chapel along the Ottawa River.
    3 unique versions available
  73. 1961 Map of Harrod, 1963 Print
    1961 Map of Harrod, 1963 Print
    1961 Harrod
    1963 Print · USGS
    The rural landscape of Allen and Auglaize Counties in the early sixties centers on the ERIE LACKAWANNA rail line and the Auglaize River. Genealogists can trace family footprints across dozens of local sites, including Harrod, West Newton, and Salem Cem.
    2 unique versions available
Showing maps 1-25 of 90

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