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1900s (20th Century) Maps of Douglas County, Colorado

Explore 60 historic maps of Douglas County 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 Douglas County'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 Douglas County's history through authentic maps from the 1900s. This is your window into the past.

Douglas County, CO maps

(60)
  1. 1913 Map of Castle Rock
    1913 Map of Castle Rock
    1913 Castle Rock
    1913 Print · USGS
    The Colorado front range at the start of the twentieth century was a landscape of high-plains ranching and vital rail junctions. Genealogists can locate family homesteads near dozens of early schools like Rock Ridge School and churches such as Bethel Church.
    5 unique versions available
  4. 1935 Map of East Denver Nos. 3 and 4
    1935 Map of East Denver Nos. 3 and 4
    1935 East Denver Nos. 3 and 4
    1935 Print · USGS
    Southeast Denver and the surrounding High Plains are captured here in the mid-1930s as residential growth began to push into Douglas County. Researchers can locate early landmarks like Fairmount Cemetery, the settlement of Sullivan, and the Melvin Sch.
  7. 1939 Map of Elizabeth, 1958 Print
    1939 Map of Elizabeth, 1958 Print
    1939 Elizabeth
    1958 Print · USGS
    Ranching and early mining history converge on the Elbert County plains in the 1930s. Genealogists and historians can trace the Site of Gold Discovery by Russell and numerous rural schoolhouses like Hilltop Sch and Locust Grove Sch.
    4 unique versions available
  10. 1940 Map of Piney Creek
    1940 Map of Piney Creek
    1940 Piney Creek
    1940 Print · USGS
    The High Plains of the late Depression era come to life here as the tri-county borders of Arapahoe, Douglas, and Elbert converge. Researchers can trace the rugged drainage patterns of Piney Creek, Sulphur Gulch, and Coal Creek before the landscape was altered by modern development.
  13. 1940 Map of Elbert, 1956 Print
    1940 Map of Elbert, 1956 Print
    1940 Elbert
    1956 Print · USGS
    The high plains of Elbert and El Paso counties are captured here in the years leading up to the mid-century, where the edge of the Black Forest meets a network of family ranches. Researchers can trace dozens of country landmarks, from the Chicago Rock Island & Pacific railroad to schoolhouses like James Sch and Sidney Sch.
    2 unique versions available
  16. 1940 Map of Castle Rock, 1958 Print
    1940 Map of Castle Rock, 1958 Print
    1940 Castle Rock
    1958 Print · USGS
    Douglas County ranching and rail life are captured here just before the mid-century, centered on the growing crossroads of Castle Rock. Genealogists can locate family-named landmarks and rural schools like Fonder Sch or trace the Bear Canyon Cem near Sedalia.
    3 unique versions available
  19. 1942 Map of Highland Ranch
    1942 Map of Highland Ranch
    1942 Highland Ranch
    1942 Print · USGS
    The northern Douglas County ranchlands appear here in the early 1940s as a quiet expanse of large family estates and critical water canals. Researchers can trace the early boundaries of Highland Ranch, locate the Cheese Ranch, and find rural landmarks like Curtis Sch and the Englewood Dam.
  22. 1942 Map of Parker
    1942 Map of Parker
    1942 Parker
    1942 Print · USGS
    Southeast of Denver in the late thirties and early forties, this landscape shows the rural agricultural roots and water management systems of Douglas County. Genealogists can locate family-named landmarks and community centers like Parker, Melvin, and the Happy Canyon Sch.
  25. 1942 Map of Littleton
    1942 Map of Littleton
    1942 Littleton
    1942 Print · USGS
    Littleton and the South Platte River valley appear here just before the mid-century boom, shaped by a vital network of railroads and reservoirs. Researchers can trace early rural life at Deer Creek Sch, the riverside siding at Struby, and the waters of Marston Lake.
    2 unique versions available
  28. 1942 Map of Piney Creek
    1942 Map of Piney Creek
    1942 Piney Creek
    1942 Print · USGS
    The Colorado high plains southeast of Denver appear as a quiet rural landscape in the early 1940s, just as modern infrastructure began to take shape. Genealogists and historians can trace the early drainage and road networks along Piney Creek, Sulphur Gulch, and Coal Creek.
    2 unique versions available
  31. 1944 Map of Elbert
    1944 Map of Elbert
    1944 Elbert
    1944 Print · USGS
    Ranching and rural education define this Elbert County landscape in the mid-1940s. Genealogists can trace family landmarks like the Ten-Sleep Ranch or locate vanished school sites like James Sch and Sidney Sch.
    2 unique versions available
  34. 1945 Map of Castle Rock
    1945 Map of Castle Rock
    1945 Castle Rock
    1945 Print · USGS
    Douglas County's railway and ranching corridors come to life in the mid-1940s as two major railroads compete for space along the Plum Creek valley. Researchers can trace old family sites and rural institutions like the Pikes Peak Grange Hall, Bear Canyon Cem, and the Clay Mine.
    2 unique versions available
  37. 1945 Map of Elizabeth
    1945 Map of Elizabeth
    1945 Elizabeth
    1945 Print · USGS
    The ranching and mining country along the Douglas and Elbert county line comes to life in this mid-century survey. Genealogists can trace family landmarks like the Idelweiss Ranch, Miller Cem, and the notable Site of Gold Discovery by Russell.
    2 unique versions available
  40. 1945 Map of Platte Canyon, 1955 Print
    1945 Map of Platte Canyon, 1955 Print
    1945 Platte Canyon
    1955 Print · USGS
    Jefferson and Douglas counties appear here during the mid-1940s, centered on the strategic water gaps of the Front Range. Researchers can trace rural school locations like Lamb Sch and explore small settlements such as Foxton and Longview.
    2 unique versions available
  43. 1945 Map of Kassler, 1956 Print
    1945 Map of Kassler, 1956 Print
    1945 Kassler
    1956 Print · USGS
    Douglas County and Jefferson County were shaped by water and rail at the end of the Second World War. Researchers can trace the Highline Canal and old rural schoolhouses like Jarre Canyon Sch or visit the once-active settlement of Kassler near the river.
    2 unique versions available
  46. 1948 Map of Kassler
    1948 Map of Kassler
    1948 Kassler
    1948 Print · USGS
    The foothills of Douglas County appear here in the late 1940s, highlighting the vital water and rail corridors south of Denver. Genealogists and local historians can locate small rural schoolhouses like Jarre Canyon Sch and the rail station at Louviers.
    2 unique versions available
  49. 1948 Map of Platte Canyon
    1948 Map of Platte Canyon
    1948 Platte Canyon
    1948 Print · USGS
    The South Platte canyon region in the late 1940s reveals a network of mountain settlements and water infrastructure. Genealogists can locate family sites near South Platte, Foxton, and the Lamb Sch, or trace the winding course of the South Platte River.
    2 unique versions available
  52. 1949 Map of Highland Ranch
    1949 Map of Highland Ranch
    1949 Highland Ranch
    1949 Print · USGS
    Arapahoe and Douglas counties were still defined by sprawling cattle operations and critical water infrastructure during the late 1940s. Genealogists and local historians can locate early landmarks like Cheese Ranch, Curtis Sch, and the original Highland Ranch headquarters.
    2 unique versions available
  55. 1949 Map of Parker
    1949 Map of Parker
    1949 Parker
    1949 Print · USGS
    The high plains south of Denver are captured here in the late 1940s, a period of rural agriculture before the region's rapid suburban growth. Genealogists and historians can trace old homestead routes and irrigation works like the Arapaho Canal or find the sites of Cherry Creek Sch and Melvin.
  58. 1953 Map of Denver, 1964 Print
    1953 Map of Denver, 1964 Print
    1953 Denver
    1964 Print · USGS
    Denver and the Colorado Front Range are captured here during a decade of post-war growth and military expansion. Researchers can trace the sprawling rail lines of the Union Pacific, locate the State Capitol, and explore historic mountain mining hubs like Central City.
    6 unique versions available
  61. 1954 Map of Devils Head, 1955 Print
    1954 Map of Devils Head, 1955 Print
    1954 Devils Head
    1955 Print · USGS
    The Rampart Range comes to life in the mid-1950s, showing a mix of rugged ranching and spiritual seclusion. Trace the locations of Shamballah-Ashrama, the Devils Head Lookout Tower, and the Hy-Way Hereford Ranch.
    9 unique versions available
  64. 1954 Map of Cherry Valley School, 1955 Print
    1954 Map of Cherry Valley School, 1955 Print
    1954 Cherry Valley School
    1955 Print · USGS
    Mid-century ranching life at the Douglas and Elbert county line is captured here just as rural school districts were consolidating. Genealogists and historians can trace old homesteads near Cherry Valley School or locate the sites of Cherry Sch (Aband) and Bucks Mountain.
    6 unique versions available
  67. 1954 Map of Deckers, 1955 Print
    1954 Map of Deckers, 1955 Print
    1954 Deckers
    1955 Print · USGS
    The South Platte River canyon comes into focus during the mid-1950s, showing the early recreational and residential development of this mountain corridor. Researchers can trace the layout of Trumbull, find the Mine (Abandoned), and locate landmarks like Skull Rock.
    12 unique versions available
  70. 1954 Map of Greenland, 1955 Print
    1954 Map of Greenland, 1955 Print
    1954 Greenland
    1955 Print · USGS
    Douglas County ranching and railroading are captured here in the mid-fifties as two major rail lines converge near the settlement of Greenland. Researchers can locate the Spring Valley Cem, trace the grounds of the Lincoln Ranch, or identify the remote Lincoln Mountain School.
    6 unique versions available
  73. 1954 Map of Larkspur, 1955 Print
    1954 Map of Larkspur, 1955 Print
    1954 Larkspur
    1955 Print · USGS
    The Douglas County ranching country and the rail corridor at Larkspur are captured here in the mid-1950s. Researchers can locate family landmarks like Perry Park South Ranch and Crystal Springs Ranch or trace the parallel tracks of the Denver and Rio Grande Western.
    9 unique versions available
Showing maps 1-25 of 60

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