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1940s Maps of Stanislaus County, California

Explore 20 historic maps of Stanislaus 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 Stanislaus 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 Stanislaus County's history through authentic maps from the 1940s. This is your window into the past.

Stanislaus County, CA maps

(20)
  1. 1940 Map of Gilroy Hot Springs
    1940 Map of Gilroy Hot Springs
    1940 Gilroy Hot Springs
    1940 Print · USGS
    The Diablo Range rises above the Santa Clara Valley in the early 1940s, showing a landscape of remote cattle ranches and high peaks. Genealogists and hikers can trace historic properties like Robeson Ranch or navigate the routes through Pacheco Pass and Gilroy Hot Springs.
  4. 1940 Map of Pacheco Pass
    1940 Map of Pacheco Pass
    1940 Pacheco Pass
    1940 Print · USGS
    Pacheco Pass and the surrounding Merced County foothills are captured here in the years leading up to the war. Genealogists can locate family holdings like Howard Ranch and Fifield Ranch, or trace rural education at Romero School.
  7. 1941 Map of Orestimba
    1941 Map of Orestimba
    1941 Orestimba
    1941 Print · USGS
    The San Joaquin Valley and Diablo Range foothills meet here in the early 1940s, showing a landscape defined by industrial irrigation and rail. Trace the Southern Pacific line through Patterson and Newman, or locate rural landmarks like the Canal School and Stimba Pumping Station.
  10. 1941 Map of Modesto West
    1941 Map of Modesto West
    1941 Modesto West
    1941 Print · USGS
    The Central Valley river system is captured here in the early 1940s, showing the complex web of irrigation canals and rural school districts. Genealogists can trace family footprints near Grayson or the Farm Security Administration Camp, and locate landmarks like Shiloh School or Tuolumne City.
    3 unique versions available
  13. 1942 Map of Irwin
    1942 Map of Irwin
    1942 Irwin
    1942 Print · USGS
    The San Joaquin and Merced rivers dominate this 1940s landscape where early irrigation networks met established rail lines. Genealogists can trace rural school districts like Tegner Sch and Helmar Sch or locate old river crossings at Hills Ferry and Fremont Ford.
  16. 1942 Map of Farmington
    1942 Map of Farmington
    1942 Farmington
    1942 Print · USGS
    The San Joaquin and Stanislaus border country is revealed in the early 1940s as a complex network of rail lines and irrigation canals. Genealogists and historians can trace old school districts like Burwood Sch, the tracks of the Southern Pacific, and the early layout of Escalon.
  19. 1942 Map of Modesto East
    1942 Map of Modesto East
    1942 Modesto East
    1942 Print · USGS
    Stanislaus County during the early war years shows an intricate landscape of irrigation canals and rural schoolhouses. Genealogists can locate family landmarks like St Stanislaus Cem, Robinson School, and the historic Thompson Rancho.
  22. 1942 Map of Carbona
    1942 Map of Carbona
    1942 Carbona
    1942 Print · USGS
    The rail-and-river landscape of the San Joaquin Valley is captured here just as Tracy was expanding into a regional hub. Genealogists and historians can trace the rural school system through New Jerusalem School and find local landmarks like the Brichetto Tomb and Buckeye Mines.
  25. 1942 Map of Mt. Boardman
    1942 Map of Mt. Boardman
    1942 Mt. Boardman
    1942 Print · USGS
    The Diablo Range highlands at the intersection of four counties are captured here in the early 1940s. Genealogists and historians can locate remote family holdings like the Schmidt Ranch and Jordan Ranch or trace the early paths through San Antone Valley.
  28. 1942 Map of Copperopolis
    1942 Map of Copperopolis
    1942 Copperopolis
    1942 Print · USGS
    The Mother Lode's mining and water heritage is preserved here in the early 1940s, centered on the copper-rich hills and the Stanislaus River. Genealogists and historians can trace family-named sites like Curtin Ranch, old schools such as O'Byrnes School, and active mines including the Wilbur Womble Mine.
  31. 1943 Map of Mt. Boardman
    1943 Map of Mt. Boardman
    1943 Mt. Boardman
    1943 Print · USGS
    The Diablo Range in the early 1940s reveals a network of remote ranching outposts and mineral extraction sites. Genealogists can locate named homesteads like Winegar Ranch while historians trace the operations of the Westvaco Mine and Adobe Mine.
  34. 1944 Map of Valley Springs
    1944 Map of Valley Springs
    1944 Valley Springs
    1944 Print · USGS
    Calaveras County was a landscape of ranching and river engineering during the early 1940s, just as the regional water system was expanding. Genealogists and historians can trace the foundations of Camanche and Lancha Plana or locate local landmarks like Stone Corral Ch and Hogan Dam.
    4 unique versions available
  37. 1944 Map of Merced Falls
    1944 Map of Merced Falls
    1944 Merced Falls
    1944 Print · USGS
    The California foothills in the early forties reveal a landscape of active river dredging and massive reservoirs. Trace the historic Coulterville Road through the mines at Solambo Mine Ridge or locate the dredging Tailings near Snelling.
    2 unique versions available
  40. 1947 Map of Gustine
    1947 Map of Gustine
    1947 Gustine
    1947 Print · USGS
    The northern San Joaquin Valley comes into focus just after the war as the agricultural and irrigation networks expand around the So Pacific tracks. Genealogists can trace family footprints at Hills Ferry, Bella Vista Park, and the Stevinson Home-Ranch.
  43. 1947 Map of Sacramento, 1948 Print
    1947 Map of Sacramento, 1948 Print
    1947 Sacramento
    1948 Print · USGS
    The Sacramento Valley meets the high Sierra during a period of post-war expansion. Trace the historic river delta islands like Grand Island or locate early airfield footprints at McClellan Air Force Base and Mather Air Force Base.
    2 unique versions available
  46. 1947 Map of San Jose, 1948 Print
    1947 Map of San Jose, 1948 Print
    1947 San Jose
    1948 Print · USGS
    Northern California's heartland is captured here just after the war, showing the rapid growth of the Santa Clara and Central Valleys. Researchers can trace the legacy of rail and water at Castle Air Force Base, Stockton, and the Hetch Hetchy Aqueduct.
  49. 1948 Map of Mitchell School
    1948 Map of Mitchell School
    1948 Mitchell School
    1948 Print · USGS
    The Central Valley borderlands of Stanislaus and Merced counties show a landscape defined by irrigation and early rural education. Trace the development of local farming communities through sites like Hatch, the Southern Pacific Railroad, and a remarkable concentration of country schools including Mitchell Sch and Hilmar Sch.
    2 unique versions available
  52. 1948 Map of Cressey
    1948 Map of Cressey
    1948 Cressey
    1948 Print · USGS
    Merced County agriculture and rail transit are at their post-war peak in this detailed mid-century survey. Genealogists and local historians can trace family properties like the Silver Ann Ranch or locate the old Fruitland Sch and Barfield Sch.
    2 unique versions available
  55. 1948 Map of Turlock
    1948 Map of Turlock
    1948 Turlock
    1948 Print · USGS
    The San Joaquin Valley's agricultural heartland thrives in the late 1940s, showcasing the intricate irrigation and rail systems that supported its growth. Researchers can trace the rural school system at Roselawn Sch and Elim Sch or locate family footprints near Fairmead Farm and Delhi.
    2 unique versions available
  58. 1948 Map of Sacramento, 1951 Print
    1948 Map of Sacramento, 1951 Print
    1948 Sacramento
    1951 Print · USGS
    Post-war Northern California comes alive in this regional survey, capturing the era of expansion between the Central Valley and the High Sierra. Researchers can trace the rail networks of the Central California Traction and Sacramento Northern RR or locate landmarks like the State Capitol and University of California Davis.
End of results
Showing maps 1-20 of 20

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