1900s (20th Century) Maps of Portland, Colorado

Explore 10 historic maps of Portland from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Portland's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Portland's history through authentic maps from the 1900s. This is your window into the past.


Portland, CO maps

(10)
  1. 1902 Map of Ouray, 1963 Print
    1902 Map of Ouray, 1963 Print
    1902 Ouray
    1963 Print · USGS
    Covers Portland, including Ouray, Ridgway, and other nearby areas

  2. 1904 Map of Ouray
    1904 Map of Ouray
    1904 Ouray
    1904 Print · USGS
    Covers Portland, including Ouray, Ridgway, and other nearby areas
    3 unique versions available

  3. 1909 Map of Montrose, 1960 Print
    1909 Map of Montrose, 1960 Print
    1909 Montrose
    1960 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas

  4. 1911 Map of Montrose
    1911 Map of Montrose
    1911 Montrose
    1911 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas
    3 unique versions available

  5. 1955 Map of Ouray, 1957 Print
    1955 Map of Ouray, 1957 Print
    1955 Ouray
    1957 Print · USGS
    Covers Portland, including Ouray, Ouray County, and other nearby areas
    9 unique versions available

  6. 1956 Map of Montrose, 1963 Print
    1956 Map of Montrose, 1963 Print
    1956 Montrose
    1963 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas
    3 unique versions available

  7. 1959 Map of Montrose
    1959 Map of Montrose
    1959 Montrose
    1959 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas

  8. 1960 Map of Montrose
    1960 Map of Montrose
    1960 Montrose
    1960 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas
    3 unique versions available

  9. 1968 Map of Montrose
    1968 Map of Montrose
    1968 Montrose
    1968 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas

  10. 1983 Map of Montrose
    1983 Map of Montrose
    1983 Montrose
    1983 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas
    2 unique versions available

End of results
Showing maps 1-10 of 10

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Frequently asked questions

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

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