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1900s (20th Century) Maps of Boulder, Illinois

Explore 6 historic maps of Boulder from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Boulder's landscape evolved across the 1900s, 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 1900s, 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 Boulder's history through authentic maps from the 1900s. This is your window into the past.

Boulder, IL maps

(6)
  1. 1914 Map of Centralia
    1914 Map of Centralia
    1914 Centralia
    1914 Print · USGS
    Covers Boulder, including Centralia, Salem, and other nearby areas
    3 unique versions available
  4. 1935 Map of Centralia, 1958 Print
    1935 Map of Centralia, 1958 Print
    1935 Centralia
    1958 Print · USGS
    Covers Boulder, including Centralia, Salem, and other nearby areas
  7. 1958 Map of Belleville, 1973 Print
    1958 Map of Belleville, 1973 Print
    1958 Belleville
    1973 Print · USGS
    Covers Boulder, including Belleville, O'Fallon, and other nearby areas
    3 unique versions available
  10. 1962 Map of Belleville
    1962 Map of Belleville
    1962 Belleville
    1962 Print · USGS
    Covers Boulder, including Belleville, O'Fallon, and other nearby areas
  13. 1969 Map of Boulder, 1971 Print
    1969 Map of Boulder, 1971 Print
    1969 Boulder
    1971 Print · USGS
    Covers Boulder, including Marion County, Clinton County, and other nearby areas
  16. 1985 Map of Carlyle Lake
    1985 Map of Carlyle Lake
    1985 Carlyle Lake
    1985 Print · USGS
    Covers Boulder, including Belleville, O'Fallon, and other nearby areas
    2 unique versions available
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 Boulder?
  • What is the oldest map of Boulder?
  • Where can I purchase historical maps of Boulder for my home or office?
  • Where can I download high-res historical maps of Boulder?
  • Are there historical topographic maps available for Boulder?
  • Is there historical aerial imagery available for Boulder?
  • Where are historical maps of Boulder sourced from?

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