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1940s Maps of San Joaquin County, California

Explore 16 historic maps of San Joaquin 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 San Joaquin 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 San Joaquin County's history through authentic maps from the 1940s. This is your window into the past.

San Joaquin County, CA maps

(16)
  1. 1940 Map of Byron, 1943 Print
    1940 Map of Byron, 1943 Print
    1940 Byron
    1943 Print · USGS
    Covers San Joaquin County, including Antioch, Brentwood, and other nearby areas
  4. 1941 Map of Modesto West
    1941 Map of Modesto West
    1941 Modesto West
    1941 Print · USGS
    Covers San Joaquin County, including Modesto, Ceres, and other nearby areas
    3 unique versions available
  7. 1941 Map of Franklin, 1942 Print
    1941 Map of Franklin, 1942 Print
    1941 Franklin
    1942 Print · USGS
    Covers San Joaquin County, including Sacramento, Elk Grove, and other nearby areas
  10. 1942 Map of Farmington
    1942 Map of Farmington
    1942 Farmington
    1942 Print · USGS
    Covers San Joaquin County, including Oakdale, Escalon, and other nearby areas
  13. 1942 Map of Bellota
    1942 Map of Bellota
    1942 Bellota
    1942 Print · USGS
    Covers San Joaquin County, including Lodi, Clements, and other nearby areas
  16. 1942 Map of Modesto East
    1942 Map of Modesto East
    1942 Modesto East
    1942 Print · USGS
    Covers San Joaquin County, including Modesto, Turlock, and other nearby areas
  19. 1942 Map of Carbona
    1942 Map of Carbona
    1942 Carbona
    1942 Print · USGS
    Covers San Joaquin County, including Tracy, Carbona, and other nearby areas
  22. 1942 Map of Mt. Boardman
    1942 Map of Mt. Boardman
    1942 Mt. Boardman
    1942 Print · USGS
    Covers San Joaquin County, including Ashrama, Santa Clara County, and other nearby areas
  25. 1942 Map of Lodi
    1942 Map of Lodi
    1942 Lodi
    1942 Print · USGS
    Covers San Joaquin County, including Stockton, Lodi, and other nearby areas
  28. 1942 Map of Altamont, 1964 Print
    1942 Map of Altamont, 1964 Print
    1942 Altamont
    1964 Print · USGS
    Covers San Joaquin County, including Tracy, Livermore, and other nearby areas
  31. 1943 Map of Tesla
    1943 Map of Tesla
    1943 Tesla
    1943 Print · USGS
    Covers San Joaquin County, including Tracy, Livermore, and other nearby areas
  34. 1943 Map of Mt. Boardman
    1943 Map of Mt. Boardman
    1943 Mt. Boardman
    1943 Print · USGS
    Covers San Joaquin County, including Ashrama, Santa Clara County, and other nearby areas
  37. 1944 Map of Valley Springs
    1944 Map of Valley Springs
    1944 Valley Springs
    1944 Print · USGS
    Covers San Joaquin County, including Rancho Calaveras, Goodmans Corner, and other nearby areas
    4 unique versions available
  40. 1947 Map of Sacramento, 1948 Print
    1947 Map of Sacramento, 1948 Print
    1947 Sacramento
    1948 Print · USGS
    Covers San Joaquin County, including Sacramento, Stockton, and other nearby areas
    2 unique versions available
  43. 1947 Map of San Jose, 1948 Print
    1947 Map of San Jose, 1948 Print
    1947 San Jose
    1948 Print · USGS
    Covers San Joaquin County, including San Jose, Stockton, and other nearby areas
  46. 1948 Map of Sacramento, 1951 Print
    1948 Map of Sacramento, 1951 Print
    1948 Sacramento
    1951 Print · USGS
    Covers San Joaquin County, including Sacramento, Stockton, and other nearby areas
End of results
Showing maps 1-16 of 16

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Frequently asked questions

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