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1940s Maps of LaSalle County, Illinois

Explore 4 historic maps of LaSalle 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 LaSalle 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 LaSalle County's history through authentic maps from the 1940s. This is your window into the past.

LaSalle County, IL maps

(4)
  1. 1940 Map of Marseilles, 1958 Print
    1940 Map of Marseilles, 1958 Print
    1940 Marseilles
    1958 Print · USGS
    Covers LaSalle County, including Marseilles, Serena, and other nearby areas
  4. 1946 Map of Ottawa, 1963 Print
    1946 Map of Ottawa, 1963 Print
    1946 Ottawa
    1963 Print · USGS
    Covers LaSalle County, including Dayton, Naplate, and other nearby areas
    2 unique versions available
  7. 1947 Map of La Salle, 1958 Print
    1947 Map of La Salle, 1958 Print
    1947 La Salle
    1958 Print · USGS
    Covers LaSalle County, including Peru, LaSalle, and other nearby areas
    2 unique versions available
  10. 1948 Map of Sandwich, 1965 Print
    1948 Map of Sandwich, 1965 Print
    1948 Sandwich
    1965 Print · USGS
    Covers LaSalle County, including Yorkville, Plano, and other nearby areas
End of results
Showing maps 1-4 of 4

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Frequently asked questions

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