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Historical Maps of Mercer County, Ohio

What stories do these 87 old maps tell about Mercer 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 Mercer County's history through maps:

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

Mercer County, OH maps

(87)

  1. 1906 Map of Youngstown, 1958 Print
    1906 Map of Youngstown, 1958 Print
    1906 Youngstown
    1958 Print · USGS
    Covers portions of Mercer County, including Youngstown, Pennsylvania, and others.
  2. 1907 Map of Kinsman, 1940 Print
    1907 Map of Kinsman, 1940 Print
    1907 Kinsman
    1940 Print · USGS
    Covers portions of Mercer County, including Trumbull County, Pennsylvania, and others.
  3. 1907 Map of Kinsman, 1944 Print
    1907 Map of Kinsman, 1944 Print
    1907 Kinsman
    1944 Print · USGS
    Covers portions of Mercer County, including Trumbull County, Pennsylvania, and others.
  4. 1908 Map of St. Henry, 1944 Print
    1908 Map of St. Henry, 1944 Print
    1908 St. Henry
    1944 Print · USGS
    Covers portions of Mercer County, including St. Henry, Darke County, and others.
  5. 1908 Map of Youngstown, 1937 Print
    1908 Map of Youngstown, 1937 Print
    1908 Youngstown
    1937 Print · USGS
    Covers portions of Mercer County, including Youngstown, Pennsylvania, and others.
  6. 1908 Map of Youngstown, 1943 Print
    1908 Map of Youngstown, 1943 Print
    1908 Youngstown
    1943 Print · USGS
    Covers portions of Mercer County, including Youngstown, Pennsylvania, and others.
  7. 1909 Map of Loramie, 1961 Print
    1909 Map of Loramie, 1961 Print
    1909 Loramie
    1961 Print · USGS
    Covers portions of Mercer County, including Shelby County, Auglaize County, and others.
  8. 1911 Map of Loramie, 1936 Print
    1911 Map of Loramie, 1936 Print
    1911 Loramie
    1936 Print · USGS
    Covers portions of Mercer County, including Shelby County, Auglaize County, and others.
  9. 1911 Map of Spencerville, 1942 Print
    1911 Map of Spencerville, 1942 Print
    1911 Spencerville
    1942 Print · USGS
    Covers portions of Mercer County, including Spencerville, Auglaize County, and others.
  10. 1914 Map of Celina, 1942 Print
    1914 Map of Celina, 1942 Print
    1914 Celina
    1942 Print · USGS
    Covers portions of Mercer County, including Celina, Van Wert County, and others.
Showing maps 1-10 of 87

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Frequently asked questions

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