State & County Maps of Colorado

Maps of Colorado are a great resource to help learn about a place at a particular point in time. Old Colorado maps are effective sources of geographical information and useful for historical, genealogical and territorial research.

Our collection of Colorado maps includes many different historic and modern types of maps. The maps date from the 19th century to the present and include:

State Map of Colorado with the counties and the county seats
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State Map of Colorado with the counties and the county seats
  • Colorado Township maps, including maps showing the progress of the original government surveys
  • Colorado Road, Highway and railroad maps
  • Colorado Maps showing the state’s geological features
  • Colorado timeline of county boundaries changes
  • Colorado Military maps
  • Colorado Maps of specific towns, counties and bodies of water
  • Colonial era maps of Colorado
  • Bird’s eye views of Colorado cities and towns

Historical Maps of Colorado are a great resource to help learn about a place at a particular point in time. Colorado Maps are vital historical evidence but must be interpreted cautiously and carefully.

Colorado Maps can be very useful in conducting research, especially in light of the now extinct communities. Also, because old Colorado maps were usually commissioned by the county seat, they often display information about the county, including town names.

Colorado Map Collections

The Western History and Genealogy Department at the Denver Public Library has an extensive collection of over 2,000 Colorado maps, which includes explorations, surveys, railroad maps, trails, mining expeditions, and land grants.

Map collections are also located at the University of Colorado map libraryColorado State Archives, and the School of Mines’ Arthur Lakes Library.

Old Historical Atlas Maps of Colorado

This Historical Colorado Map Collection are from original copies. Most historical maps of Colorado were published in atlases and spans over 150 years of growth for the state.

Some Colorado maps years have cities, railroads, P.O. locations, township outlines, and other features useful to the Colorado researcher.

1866 Map of Colorado Public Survey Sketches by the Department of Interior Land Office

  • Map Date: October 2nd 1866
  • Map Locations: Colorado
  • Map Publication: Maps accompanying Report of the commissioner of the General Land Office.
  • Map Type: National Atlas
  • Map Cartographer: United States. General Land Office.

Mitchell’s 1880 State, County and Township Map of Colorado

  • Map Date: 1880 (Entered 1879)
  • Map Locations: Colorado
  • Map Type: World Atlas
  • Map Cartographer: Samuel Augustus Mitchell Jr. (1827-1901)

1895 State Map of Colorado

  • Map Date: 1880 (Entered 1879)
  • Map Locations: Colorado
  • Map Type: World Atlas
  • Map Cartographer: Samuel Augustus Mitchell Jr. (1827-1901)

Map of Colorado County Formations 1877-1988

This Interactive Map of Colorado Counties show the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from the creation of the Colorado territory in 1877 to 1988.

Colorado County Maps of Road and Highway’s

The Colorado D.O.T. Highway Department has prepared a series of 2019 county road maps free online. These Colorado road maps contain more detailed information about man-made features than the geological survey maps.

In addition to roads and boundaries, these maps include rural communities, churches, and cemeteries. These Colorado maps are Free to downloade are in PDF format.

External Colorado Map Resources

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