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Historical Maps of Longmont, Colorado

What stories do these 23 old maps tell about Longmont's past? From 1904 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 Longmont's history through maps:

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

Longmont, CO maps

(23)

  1. 1904 Map of Niwot
    1904 Map of Niwot
    1904 Niwot
    1904 Print · USGS
    Covers portions of Longmont, including Niwot, Weld County, and others.
  2. 1904 Map of Niwot, 1923 Print
    1904 Map of Niwot, 1923 Print
    1904 Niwot
    1923 Print · USGS
    Covers portions of Longmont, including Niwot, Weld County, and others.
  3. 1904 Map of Niwot, 1945 Print
    1904 Map of Niwot, 1945 Print
    1904 Niwot
    1945 Print · USGS
    Covers portions of Longmont, including Niwot, Weld County, and others.
  4. 1950 Map of Longmont, 1960 Print
    1950 Map of Longmont, 1960 Print
    1950 Longmont
    1960 Print · USGS
    Covers portions of Longmont, including Weld County, and others.
  5. 1950 Map of Longmont, 1963 Print
    1950 Map of Longmont, 1963 Print
    1950 Longmont
    1963 Print · USGS
    Covers portions of Longmont, including Weld County, and others.
  6. 1951 Map of Longmont
    1951 Map of Longmont
    1951 Longmont
    1951 Print · USGS
    Covers portions of Longmont, including Weld County, and others.
  7. 1954 Map of Greeley, 1966 Print
    1954 Map of Greeley, 1966 Print
    1954 Greeley
    1966 Print · USGS
    Covers portions of Longmont, including Greeley, Wyoming, and others.
  8. 1954 Map of Greeley, 1976 Print
    1954 Map of Greeley, 1976 Print
    1954 Greeley
    1976 Print · USGS
    Covers portions of Longmont, including Greeley, Wyoming, and others.
  9. 1954 Map of Greeley, 1977 Print
    1954 Map of Greeley, 1977 Print
    1954 Greeley
    1977 Print · USGS
    Covers portions of Longmont, including Greeley, Wyoming, and others.
  10. 1957 Map of Greeley
    1957 Map of Greeley
    1957 Greeley
    1957 Print · USGS
    Covers portions of Longmont, including Greeley, Wyoming, and others.
Showing maps 1-10 of 23

Frequently asked questions

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