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Historical Maps of Allen County, Ohio

What stories do these 85 old maps tell about Allen County's past? From 1906 to present day, these maps reveal the evolution of streets, neighborhoods, iconic landmarks, and natural features in stunning high-res detail. Whether you're a history enthusiast, genealogist, or professional in education, environmental work, or architecture, these maps are perfect for exploration, research, and discovery.

Discover Allen County's history through maps:

  • Trace Allen County's growth: Explore earlier and latest maps and editions to uncover how the region changed over time.
  • Examine technical details: Each map includes its creators, publishers, scale, dimensions, and full source information.
  • Layer maps with modern tools & imagery: Compare historical maps to modern-day with high-resolution satellite imagery and detailed LiDAR layers.
  • Sourced from trusted archives: Carefully preserved and digitized by institutions like the United Stated Geological Survey and the US Library of Congress.
  • Access in any format: View and explore in high resolution, download for offline use, or order a museum-quality print for yourself or a loved one.

Begin your journey into Allen County's history with these remarkable must-see maps.

Allen County, OH maps

(85)

  1. 1906 Map of Columbus Grove, 1956 Print
    1906 Map of Columbus Grove, 1956 Print
    1906 Columbus Grove
    1956 Print · USGS
    Covers portions of Allen County, including Columbus Grove, and others.
  2. 1906 Map of Lima, 1943 Print
    1906 Map of Lima, 1943 Print
    1906 Lima
    1943 Print · USGS
    Covers portions of Allen County, including Lima, Auglaize County, and others.
  3. 1906 Map of Lima, 1943 Print
    1906 Map of Lima, 1943 Print
    1906 Lima
    1943 Print · USGS
    Covers portions of Allen County, including Lima, Auglaize County, and others.
  4. 1908 Map of Columbus Grove, 1932 Print
    1908 Map of Columbus Grove, 1932 Print
    1908 Columbus Grove
    1932 Print · USGS
    Covers portions of Allen County, including Columbus Grove, and others.
  5. 1911 Map of Delphos, 1942 Print
    1911 Map of Delphos, 1942 Print
    1911 Delphos
    1942 Print · USGS
    Covers portions of Allen County, including Delphos, Putnam County, Van Wert County, and others.
  6. 1911 Map of Spencerville, 1942 Print
    1911 Map of Spencerville, 1942 Print
    1911 Spencerville
    1942 Print · USGS
    Covers portions of Allen County, including Spencerville, Auglaize County, Mercer County, and others.
  7. 1913 Map of Alger, 1961 Print
    1913 Map of Alger, 1961 Print
    1913 Alger
    1961 Print · USGS
    Covers portions of Allen County, including Alger, Auglaize County, and others.
  8. 1915 Map of Alger
    1915 Map of Alger
    1915 Alger
    1915 Print · USGS
    Covers portions of Allen County, including Alger, Auglaize County, and others.
  9. 1943 Map of Alger
    1943 Map of Alger
    1943 Alger
    1943 Print · USGS
    Covers portions of Allen County, including Alger, Auglaize County, and others.
  10. 1944 Map of Delphos
    1944 Map of Delphos
    1944 Delphos
    1944 Print · USGS
    Covers portions of Allen County, including Delphos, Putnam County, Van Wert County, and others.
Showing maps 1-10 of 85

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Frequently asked questions

  • What are the different types of historical maps available for Allen County?
  • What is the oldest map of Allen County?
  • Where can I purchase historical maps of Allen County for my home or office?
  • Where can I download high-res historical maps of Allen County?
  • Are there historical topographic maps available for Allen County?
  • Is there historical aerial imagery available for Allen County?
  • Where are historical maps of Allen County sourced from?