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Historical Maps of Mercer County, Illinois

What stories do these 85 old maps tell about Mercer County's past? From 1912 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, IL maps

(85)

  1. 1912 Map of Milan
    1912 Map of Milan
    1912 Milan
    1912 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  2. 1912 Map of Milan
    1912 Map of Milan
    1912 Milan
    1912 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $29.00+

    Sale $23.20+

  3. 1912 Map of Milan, 1919 Print
    1912 Map of Milan, 1919 Print
    1912 Milan
    1919 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  4. 1912 Map of Milan, 1924 Print
    1912 Map of Milan, 1924 Print
    1912 Milan
    1924 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  5. 1912 Map of Milan, 1938 Print
    1912 Map of Milan, 1938 Print
    1912 Milan
    1938 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  6. 1912 Map of Milan, 1938 Print
    1912 Map of Milan, 1938 Print
    1912 Milan
    1938 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  7. 1912 Map of Milan, 1945 Print
    1912 Map of Milan, 1945 Print
    1912 Milan
    1945 Print · USGS
    Covers portions of Mercer County, including Milan, Iowa, and others.

    $39.00+

    Sale $31.20+

  8. 1916 Map of Edgington
    1916 Map of Edgington
    1916 Edgington
    1916 Print · USGS
    Covers portions of Mercer County, including Edgington, Iowa, and others.

    $29.00+

    Sale $23.20+

  9. 1916 Map of Edgington
    1916 Map of Edgington
    1916 Edgington
    1916 Print · USGS
    Covers portions of Mercer County, including Edgington, Iowa, and others.

    $29.00+

    Sale $23.20+

  10. 1916 Map of Edgington, 1942 Print
    1916 Map of Edgington, 1942 Print
    1916 Edgington
    1942 Print · USGS
    Covers portions of Mercer County, including Edgington, Iowa, and others.

    $29.00+

    Sale $23.20+

Showing maps 1-10 of 85

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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?