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1940s Maps of Placer County, California

Explore 21 historic maps of Placer County from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Placer County's landscape evolved across the 1940s, 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 1940s, 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 Placer County's history through authentic maps from the 1940s. This is your window into the past.

Placer County, CA maps

(21)
  1. 1940 Map of Truckee
    1940 Map of Truckee
    1940 Truckee
    1940 Print · USGS
    Covers Placer County, including Reno, Truckee, and other nearby areas
    4 unique versions available
  4. 1941 Map of Folsom, 1957 Print
    1941 Map of Folsom, 1957 Print
    1941 Folsom
    1957 Print · USGS
    Covers Placer County, including Roseville, Citrus Heights, and other nearby areas
    2 unique versions available
  7. 1942 Map of Markham Ravine
    1942 Map of Markham Ravine
    1942 Markham Ravine
    1942 Print · USGS
    Covers Placer County, including Roseville, Rocklin, and other nearby areas
  10. 1944 Map of Auburn
    1944 Map of Auburn
    1944 Auburn
    1944 Print · USGS
    Covers Placer County, including Roseville, Rocklin, and other nearby areas
    3 unique versions available
  13. 1944 Map of Folsom
    1944 Map of Folsom
    1944 Folsom
    1944 Print · USGS
    Covers Placer County, including Roseville, Citrus Heights, and other nearby areas
    2 unique versions available
  16. 1947 Map of Sacramento, 1948 Print
    1947 Map of Sacramento, 1948 Print
    1947 Sacramento
    1948 Print · USGS
    Covers Placer County, including Sacramento, Stockton, and other nearby areas
    2 unique versions available
  19. 1947 Map of Wheatland, 1958 Print
    1947 Map of Wheatland, 1958 Print
    1947 Wheatland
    1958 Print · USGS
    Covers Placer County, including Wheatland, Horstville, and other nearby areas
    4 unique versions available
  22. 1948 Map of Sacramento, 1951 Print
    1948 Map of Sacramento, 1951 Print
    1948 Sacramento
    1951 Print · USGS
    Covers Placer County, including Sacramento, Stockton, and other nearby areas
  25. 1948 Map of Foresthill, 1975 Print
    1948 Map of Foresthill, 1975 Print
    1948 Foresthill
    1975 Print · USGS
    Covers Placer County, including Foresthill, Four Acres, and other nearby areas
  28. 1949 Map of Wheatland
    1949 Map of Wheatland
    1949 Wheatland
    1949 Print · USGS
    Covers Placer County, including Wheatland, Horstville, and other nearby areas
  31. 1949 Map of Georgetown
    1949 Map of Georgetown
    1949 Georgetown
    1949 Print · USGS
    Covers Placer County, including Spanish Flat, Greenwood, and other nearby areas
    5 unique versions available
  34. 1949 Map of Wheatland, 1953 Print
    1949 Map of Wheatland, 1953 Print
    1949 Wheatland
    1953 Print · USGS
    Covers Placer County, including Wheatland, Sicard Flat, and other nearby areas
    3 unique versions available
  37. 1949 Map of Grass Valley, 1953 Print
    1949 Map of Grass Valley, 1953 Print
    1949 Grass Valley
    1953 Print · USGS
    Covers Placer County, including Grass Valley, Nevada City, and other nearby areas
    5 unique versions available
  40. 1949 Map of Georgetown, 1954 Print
    1949 Map of Georgetown, 1954 Print
    1949 Georgetown
    1954 Print · USGS
    Covers Placer County, including Fornis, Buffalo Hill, and other nearby areas
    4 unique versions available
  43. 1949 Map of Wolf, 1954 Print
    1949 Map of Wolf, 1954 Print
    1949 Wolf
    1954 Print · USGS
    Covers Placer County, including Wolf, Nevada County, and other nearby areas
    3 unique versions available
  46. 1949 Map of Colfax, 1956 Print
    1949 Map of Colfax, 1956 Print
    1949 Colfax
    1956 Print · USGS
    Covers Placer County, including Colfax, Applegate, and other nearby areas
    6 unique versions available
  49. 1949 Map of Chicago Park, 1956 Print
    1949 Map of Chicago Park, 1956 Print
    1949 Chicago Park
    1956 Print · USGS
    Covers Placer County, including Magra, Secret Town, and other nearby areas
    7 unique versions available
  52. 1949 Map of Greenwood, 1957 Print
    1949 Map of Greenwood, 1957 Print
    1949 Greenwood
    1957 Print · USGS
    Covers Placer County, including Greenwood, Auburn Lake Trails, and other nearby areas
    3 unique versions available
  55. 1949 Map of Foresthill, 1957 Print
    1949 Map of Foresthill, 1957 Print
    1949 Foresthill
    1957 Print · USGS
    Covers Placer County, including Foresthill, Four Acres, and other nearby areas
    4 unique versions available
  58. 1949 Map of Camp Far West, 1959 Print
    1949 Map of Camp Far West, 1959 Print
    1949 Camp Far West
    1959 Print · USGS
    Covers Placer County, including Waldo Junction, Nevada County, and other nearby areas
    5 unique versions available
  61. 1949 Map of Lake Combie, 1960 Print
    1949 Map of Lake Combie, 1960 Print
    1949 Lake Combie
    1960 Print · USGS
    Covers Placer County, including Higgins Corner, Sierra Knoll Estates, and other nearby areas
    4 unique versions available
End of results
Showing maps 1-21 of 21

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Frequently asked questions

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