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

Explore 34 historic maps of Thornton 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 Thornton'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 Thornton's history through authentic maps from the 1900s. This is your window into the past.

Thornton, CO maps

(34)
  1. 1902 Map of Greeley
    1902 Map of Greeley
    1902 Greeley
    1902 Print · USGS
    Covers Thornton, including Fort Collins, Greeley, and other nearby areas
    4 unique versions available
  4. 1938 Map of Derby, 1955 Print
    1938 Map of Derby, 1955 Print
    1938 Derby
    1955 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
  7. 1940 Map of Eastlake
    1940 Map of Eastlake
    1940 Eastlake
    1940 Print · USGS
    Covers Thornton, including Westminster, Commerce City, and other nearby areas
  10. 1940 Map of Lafayette
    1940 Map of Lafayette
    1940 Lafayette
    1940 Print · USGS
    Covers Thornton, including Westminster, Broomfield, and other nearby areas
  13. 1940 Map of Derby
    1940 Map of Derby
    1940 Derby
    1940 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
    2 unique versions available
  16. 1941 Map of Arvada
    1941 Map of Arvada
    1941 Arvada
    1941 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  19. 1944 Map of Arvada
    1944 Map of Arvada
    1944 Arvada
    1944 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  22. 1944 Map of Lafayette
    1944 Map of Lafayette
    1944 Lafayette
    1944 Print · USGS
    Covers Thornton, including Westminster, Broomfield, and other nearby areas
  25. 1944 Map of Eastlake
    1944 Map of Eastlake
    1944 Eastlake
    1944 Print · USGS
    Covers Thornton, including Westminster, Commerce City, and other nearby areas
  28. 1947 Map of Derby
    1947 Map of Derby
    1947 Derby
    1947 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
    2 unique versions available
  31. 1950 Map of Frederick
    1950 Map of Frederick
    1950 Frederick
    1950 Print · USGS
    Covers Thornton, including Erie, Firestone, and other nearby areas
    7 unique versions available
  34. 1950 Map of Derby
    1950 Map of Derby
    1950 Derby
    1950 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
  37. 1950 Map of Arvada
    1950 Map of Arvada
    1950 Arvada
    1950 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  40. 1953 Map of Denver, 1964 Print
    1953 Map of Denver, 1964 Print
    1953 Denver
    1964 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
    6 unique versions available
  43. 1954 Map of Greeley, 1966 Print
    1954 Map of Greeley, 1966 Print
    1954 Greeley
    1966 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
    3 unique versions available
  46. 1956 Map of Lafayette, 1958 Print
    1956 Map of Lafayette, 1958 Print
    1956 Lafayette
    1958 Print · USGS
    Covers Thornton, including Westminster, Broomfield, and other nearby areas
  49. 1957 Map of Denver
    1957 Map of Denver
    1957 Denver
    1957 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
  52. 1957 Map of Greeley
    1957 Map of Greeley
    1957 Greeley
    1957 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
  55. 1957 Map of Derby, 1958 Print
    1957 Map of Derby, 1958 Print
    1957 Derby
    1958 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
    3 unique versions available
  58. 1957 Map of Eastlake, 1958 Print
    1957 Map of Eastlake, 1958 Print
    1957 Eastlake
    1958 Print · USGS
    Covers Thornton, including Westminster, Commerce City, and other nearby areas
    2 unique versions available
  61. 1957 Map of Arvada, 1958 Print
    1957 Map of Arvada, 1958 Print
    1957 Arvada
    1958 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
    3 unique versions available
  64. 1958 Map of Greeley
    1958 Map of Greeley
    1958 Greeley
    1958 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
  67. 1958 Map of Denver
    1958 Map of Denver
    1958 Denver
    1958 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
  70. 1960 Map of Denver
    1960 Map of Denver
    1960 Denver
    1960 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
  73. 1961 Map of Greeley
    1961 Map of Greeley
    1961 Greeley
    1961 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
Showing maps 1-25 of 34

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Frequently asked questions

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