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Old Maps of Thornton, Colorado for Genealogy

Trace your family roots with 36 historic maps of Thornton. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to Thornton's past.

Thornton, CO maps

(36)
  1. 1890 Map of East Denver
    1890 Map of East Denver
    1890 East Denver
    1890 Print · USGS
    Covers Thornton, including Denver, Aurora, and other nearby areas
  4. 1899 Map of West Denver
    1899 Map of West Denver
    1899 West Denver
    1899 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  7. 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
  10. 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
  13. 1940 Map of Eastlake
    1940 Map of Eastlake
    1940 Eastlake
    1940 Print · USGS
    Covers Thornton, including Westminster, Commerce City, and other nearby areas
  16. 1940 Map of Lafayette
    1940 Map of Lafayette
    1940 Lafayette
    1940 Print · USGS
    Covers Thornton, including Westminster, Broomfield, and other nearby areas
  19. 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
  22. 1941 Map of Arvada
    1941 Map of Arvada
    1941 Arvada
    1941 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  25. 1944 Map of Arvada
    1944 Map of Arvada
    1944 Arvada
    1944 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  28. 1944 Map of Lafayette
    1944 Map of Lafayette
    1944 Lafayette
    1944 Print · USGS
    Covers Thornton, including Westminster, Broomfield, and other nearby areas
  31. 1944 Map of Eastlake
    1944 Map of Eastlake
    1944 Eastlake
    1944 Print · USGS
    Covers Thornton, including Westminster, Commerce City, and other nearby areas
  34. 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
  37. 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
  40. 1950 Map of Derby
    1950 Map of Derby
    1950 Derby
    1950 Print · USGS
    Covers Thornton, including Aurora, Commerce City, and other nearby areas
  43. 1950 Map of Arvada
    1950 Map of Arvada
    1950 Arvada
    1950 Print · USGS
    Covers Thornton, including Lakewood, Arvada, and other nearby areas
  46. 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
  49. 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
  52. 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
  55. 1957 Map of Denver
    1957 Map of Denver
    1957 Denver
    1957 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
  58. 1957 Map of Greeley
    1957 Map of Greeley
    1957 Greeley
    1957 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
  61. 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
  64. 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
  67. 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
  70. 1958 Map of Greeley
    1958 Map of Greeley
    1958 Greeley
    1958 Print · USGS
    Covers Thornton, including Fort Collins, Boulder, and other nearby areas
  73. 1958 Map of Denver
    1958 Map of Denver
    1958 Denver
    1958 Print · USGS
    Covers Thornton, including Denver, Colorado Springs, and other nearby areas
Showing maps 1-25 of 36

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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?