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1940s Maps of Cook County, Illinois

Explore 6 historic maps of Cook 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 Cook 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 Cook County's history through authentic maps from the 1940s. This is your window into the past.

Cook County, IL maps

(6)
  1. 1940 Map of Elgin, 1957 Print
    1940 Map of Elgin, 1957 Print
    1940 Elgin
    1957 Print · USGS
    Covers Cook County, including Elgin, Crystal Lake, and other nearby areas
  4. 1948 Map of Wheaton, 1956 Print
    1948 Map of Wheaton, 1956 Print
    1948 Wheaton
    1956 Print · USGS
    Covers Cook County, including Aurora, Naperville, and other nearby areas
  7. 1948 Map of Geneva, 1964 Print
    1948 Map of Geneva, 1964 Print
    1948 Geneva
    1964 Print · USGS
    Covers Cook County, including Aurora, Elgin, and other nearby areas
  10. 1949 Map of Peotone
    1949 Map of Peotone
    1949 Peotone
    1949 Print · USGS
    Covers Cook County, including New Lenox, Frankfort, and other nearby areas
    2 unique versions available
  13. 1949 Map of Geneva
    1949 Map of Geneva
    1949 Geneva
    1949 Print · USGS
    Covers Cook County, including Elgin, Wayne, and other nearby areas
    2 unique versions available
  16. 1949 Map of Crete
    1949 Map of Crete
    1949 Crete
    1949 Print · USGS
    Covers Cook County, including Chicago Heights, Park Forest, and other nearby areas
End of results
Showing maps 1-6 of 6

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Frequently asked questions

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