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1970s Maps of San Diego County, California

Explore 8 historic maps of San Diego County from the 1970s. These maps offer a rare glimpse into what life looked like during the 1970s — 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 Diego County's landscape evolved across the 1970s, 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 1970s, 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 Diego County's history through authentic maps from the 1970s. This is your window into the past.

San Diego County, CA maps

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  1. 1972 Map of Dulzura, 1974 Print
    1972 Map of Dulzura, 1974 Print
    1972 Dulzura
    1974 Print · USGS
    San Diego County's inland ranchlands and canyon settlements are documented here in the early seventies, showing a landscape of family-run ranches and mountain trails. Local researchers can locate established sites like Dulzura, the St Francis Xavier Cemetery, and the historic Peg Leg Mine.
    4 unique versions available
  4. 1972 Map of Otay Mountain, 1974 Print
    1972 Map of Otay Mountain, 1974 Print
    1972 Otay Mountain
    1974 Print · USGS
    The San Ysidro Mountains dominate this border landscape in the early seventies, where truck trails wind through high-elevation peaks. Researchers can locate the Donohoe Mine, trace water sources like Echo Spring, and explore the rural Marron Valley area.
    3 unique versions available
  7. 1974 Map of San Clemente, 1975 Print
    1974 Map of San Clemente, 1975 Print
    1974 San Clemente
    1975 Print · USGS
    Coastal Orange County meets the sprawling training grounds of the Marines in the mid-seventies. Researchers can trace the rugged topography of Gabino Canyon and the coastal interface at Camp Pendleton Marine Corps Base.
    2 unique versions available
  10. 1974 Map of Canada Gobernadora, 1977 Print
    1974 Map of Canada Gobernadora, 1977 Print
    1974 Canada Gobernadora
    1977 Print · USGS
    Southern Orange County appears in detailed 1970s aerial photography, showcasing the rural canyon systems before suburban expansion. Trace the natural paths of Cañada Gobernadora, Gabino Canyon, and Lucas Canyon across the landscape.
  13. 1974 Map of Wildomar, 1977 Print
    1974 Map of Wildomar, 1977 Print
    1974 Wildomar
    1977 Print · USGS
    Wildomar and the surrounding foothills appear during a period of transition in the mid-1970s. Researchers can trace land development and natural drainage patterns through the Santa Ana Mountains and along Slaughterhouse Canyon.
  16. 1974 Map of Sitton Peak, 1977 Print
    1974 Map of Sitton Peak, 1977 Print
    1974 Sitton Peak
    1977 Print · USGS
    Riverside and Orange County borderlands are shown through 1970s aerial photography just before major regional growth. Researchers can trace the sharp ridgelines of Sitton Peak and the deep drainage paths of San Mateo Canyon and Morrell Canyon.
  19. 1979 Map of El Cajon
    1979 Map of El Cajon
    1979 El Cajon
    1979 Print · USGS
    Southern San Diego County and its mountain-to-desert transition are captured here in the late seventies. Researchers can trace the winding San Diego & Arizona Eastern RR, locate rural settlements like Jacumba, and explore the sprawling Cleveland National Forest.
    2 unique versions available
  22. 1979 Map of San Diego, 1980 Print
    1979 Map of San Diego, 1980 Print
    1979 San Diego
    1980 Print · USGS
    San Diego and the southern California coastline are shown in the late seventies as the region's modern layout became firmly established. Researchers can trace the extensive military footprint at Miramar and find local landmarks from Cabrillo National Monument to Mission Bay Park.
    3 unique versions available
End of results
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Frequently asked questions

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