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Historical Maps of Union County, Ohio

What stories do these 108 old maps tell about Union County's past? From 1901 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 Union County's history through maps:

  • Trace Union 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 Union County's history with these remarkable must-see maps.

Union County, OH maps

(108)

  1. 1901 Map of Dublin, 1955 Print
    1901 Map of Dublin, 1955 Print
    1901 Dublin
    1955 Print · USGS
    Covers portions of Union County, including Dublin, Madison County, and others.
  2. 1903 Map of Dublin, 1939 Print
    1903 Map of Dublin, 1939 Print
    1903 Dublin
    1939 Print · USGS
    Covers portions of Union County, including Dublin, Madison County, and others.
  3. 1903 Map of Dublin, 1946 Print
    1903 Map of Dublin, 1946 Print
    1903 Dublin
    1946 Print · USGS
    Covers portions of Union County, including Dublin, Madison County, and others.
  4. 1903 Map of Marion, 1961 Print
    1903 Map of Marion, 1961 Print
    1903 Marion
    1961 Print · USGS
    Covers portions of Union County, including Marion, Crawford County, and others.
  5. 1905 Map of Marion, 1944 Print
    1905 Map of Marion, 1944 Print
    1905 Marion
    1944 Print · USGS
    Covers portions of Union County, including Marion, Crawford County, and others.
  6. 1913 Map of East Liberty, 1961 Print
    1913 Map of East Liberty, 1961 Print
    1913 East Liberty
    1961 Print · USGS
    Covers portions of Union County, including East Liberty, and others.
  7. 1913 Map of Richwood, 1962 Print
    1913 Map of Richwood, 1962 Print
    1913 Richwood
    1962 Print · USGS
    Covers portions of Union County, including Richwood, and others.
  8. 1914 Map of Mechanicsburg, 1954 Print
    1914 Map of Mechanicsburg, 1954 Print
    1914 Mechanicsburg
    1954 Print · USGS
    Covers portions of Union County, including Mechanicsburg, Logan County, and others.
  9. 1915 Map of College Corner
    1915 Map of College Corner
    1915 College Corner
    1915 Print · USGS
    Covers portions of Union County, including College Corner, Indiana, and others.
  10. 1915 Map of East Liberty, 1941 Print
    1915 Map of East Liberty, 1941 Print
    1915 East Liberty
    1941 Print · USGS
    Covers portions of Union County, including East Liberty, and others.
Showing maps 1-10 of 108

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Frequently asked questions

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