Historical Maps of Boulder County

Journey back in time with 277 historical maps of Boulder County, dating from 1902 to present day. Explore and discover the history of Boulder County through detailed topographic maps, featuring cities, landmarks, and geographical changes. Dive deeper into each map with our interactive high-resolution viewer and extensive library data. Every map in our collection is also available for purchase as a framed or unframed museum-quality print for those interested interested in bringing a part of history into their home. Begin your historical adventure now!

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Boulder County maps (277)

  1. 1902 Map of Boulder, 1957 Print1902 Map of Boulder, 1957 Print
    1902 (1957 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  2. 1904 Map of Boulder1904 Map of Boulder
    1904 (1904 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  3. 1904 Map of Boulder, 1913 Print1904 Map of Boulder, 1913 Print
    1904 (1913 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  4. 1904 Map of Boulder, 1926 Print1904 Map of Boulder, 1926 Print
    1904 (1926 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  5. 1904 Map of Boulder, 1936 Print1904 Map of Boulder, 1936 Print
    1904 (1936 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  6. 1904 Map of Boulder, 1941 Print1904 Map of Boulder, 1941 Print
    1904 (1941 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  7. 1904 Map of Boulder, 1947 Print1904 Map of Boulder, 1947 Print
    1904 (1947 print)
    Boulder Map
    Boulder County, CO
    Scale: 1:62500
  8. 1904 Map of Niwot1904 Map of Niwot
    1904 (1904 print)
    Niwot Map
    Boulder County, CO
    Scale: 1:62500
  9. 1904 Map of Niwot, 1923 Print1904 Map of Niwot, 1923 Print
    1904 (1923 print)
    Niwot Map
    Boulder County, CO
    Scale: 1:62500
  10. 1904 Map of Niwot, 1945 Print1904 Map of Niwot, 1945 Print
    1904 (1945 print)
    Niwot Map
    Boulder County, CO
    Scale: 1:62500
Showing maps 1-10 of 277

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Frequently asked questions about Boulder County historical maps

  • Can I purchase a physical print of a historical map of Boulder County?

    Yes! Every map in our collection can be purchased as a museum-quality print that we meticulously lay out by hand to ensure the highest quality final product. We offer a variety of sizes and prints can be either framed or unframed. Explore purchase options by clicking the "Buy Print" button on any map page.

  • Why are historical maps of Boulder County important for research and professional purposes?

    Historical maps of Boulder County offer a unique perspective on an area's past, making them invaluable for environmental consultants, surveyors, legal professionals, geneologists, historians, and hobbyists alike. They are used in environmental site assessments, lot line research, and land dispute resolution.

  • What types of historical maps are available for Boulder County?

    Our diverse collection includes detailed topographic maps from the United States Geological Survey's Historical Topographic Map Collection as well as from a variety of public and private collections we've sourced, each providing a unique glimpse into Boulder County's past. We'll soon begin to offer historical aerial images as well.

  • What advanced features do you offer for professional use?

    We offer advanced features including 3D terrain visualization, georeferencing, customizeable base maps, multi-layering capabilities, and annotation tools. These features allow for in-depth analysis, customization, and report building utilizing our historical map collection.

  • How can I find a specific historical map of Boulder County?

    Our platform has over 185,000 fully digitized and interactive maps, and 277 maps available specifically for Boulder County. You can easily filter and search by address, place, date, scale, or landmark to find the specific map they need, or browse our collection by city, county, and state.

  • How can I contribute a historical map of Boulder County that's not in your collection?

    We welcome contributions! If you have a map that isn't in our collection, reach out to us at hello@pastmaps.com. We can assist with digitizing individual maps or entire collections.

  • What is the oldest map of Boulder County in your collection?

    The oldest map of Boulder County in our collection is from 1902.

  • How can I download a map of Boulder County?

    Every map in our collection can be freely downloaded as a high-resolution GeoTIFF or GeoPDF file. You can use this file with mapping software or print it out for personal use.