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

Explore 17 historic maps of Decatur 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 Decatur'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 Decatur's history through authentic maps from the 1900s. This is your window into the past.

Decatur, IL maps

(17)
  1. 1929 Map of Decatur, 1965 Print
    1929 Map of Decatur, 1965 Print
    1929 Decatur
    1965 Print · USGS
    Covers Decatur, including Mount Zion, Forsyth, and other nearby areas
  4. 1933 Map of Decatur
    1933 Map of Decatur
    1933 Decatur
    1933 Print · USGS
    Covers Decatur, including Mount Zion, Forsyth, and other nearby areas
    3 unique versions available
  7. 1954 Map of Niantic, 1955 Print
    1954 Map of Niantic, 1955 Print
    1954 Niantic
    1955 Print · USGS
    Covers Decatur, including Harristown, Warrensburg, and other nearby areas
    3 unique versions available
  10. 1958 Map of Decatur, 1971 Print
    1958 Map of Decatur, 1971 Print
    1958 Decatur
    1971 Print · USGS
    Covers Decatur, including Springfield, Charleston, and other nearby areas
    3 unique versions available
  13. 1961 Map of Decatur
    1961 Map of Decatur
    1961 Decatur
    1961 Print · USGS
    Covers Decatur, including Springfield, Charleston, and other nearby areas
    2 unique versions available
  16. 1967 Map of Long Creek, 1968 Print
    1967 Map of Long Creek, 1968 Print
    1967 Long Creek
    1968 Print · USGS
    Covers Decatur, including Mount Zion, Long Creek, and other nearby areas
    2 unique versions available
  19. 1967 Map of Argenta, 1968 Print
    1967 Map of Argenta, 1968 Print
    1967 Argenta
    1968 Print · USGS
    Covers Decatur, including Oakley, Oreana, and other nearby areas
    2 unique versions available
  22. 1967 Map of Decatur, 1968 Print
    1967 Map of Decatur, 1968 Print
    1967 Decatur
    1968 Print · USGS
    Covers Decatur, including Mount Zion, Long Creek, and other nearby areas
    2 unique versions available
  25. 1967 Map of Forsyth, 1968 Print
    1967 Map of Forsyth, 1968 Print
    1967 Forsyth
    1968 Print · USGS
    Covers Decatur, including Forsyth, Oreana, and other nearby areas
    2 unique versions available
  28. 1982 Map of Harristown, 1983 Print
    1982 Map of Harristown, 1983 Print
    1982 Harristown
    1983 Print · USGS
    Covers Decatur, including Harristown, Bulldog Crossing, and other nearby areas
  31. 1982 Map of Warrensburg, 1983 Print
    1982 Map of Warrensburg, 1983 Print
    1982 Warrensburg
    1983 Print · USGS
    Covers Decatur, including Warrensburg, Bearsdale, and other nearby areas
  34. 1985 Map of Decatur
    1985 Map of Decatur
    1985 Decatur
    1985 Print · USGS
    Covers Decatur, including Charleston, Mattoon, and other nearby areas
    2 unique versions available
  37. 1985 Map of Springfield
    1985 Map of Springfield
    1985 Springfield
    1985 Print · USGS
    Covers Decatur, including Springfield, Woodside, and other nearby areas
    2 unique versions available
  40. 1998 Map of Decatur, 2000 Print
    1998 Map of Decatur, 2000 Print
    1998 Decatur
    2000 Print · USGS
    Covers Decatur, including Mount Zion, Long Creek, and other nearby areas
  43. 1998 Map of Forsyth, 2001 Print
    1998 Map of Forsyth, 2001 Print
    1998 Forsyth
    2001 Print · USGS
    Covers Decatur, including Forsyth, Oreana, and other nearby areas
  46. 1998 Map of Long Creek, 2002 Print
    1998 Map of Long Creek, 2002 Print
    1998 Long Creek
    2002 Print · USGS
    Covers Decatur, including Mount Zion, Long Creek, and other nearby areas
  49. 1998 Map of Argenta, 2003 Print
    1998 Map of Argenta, 2003 Print
    1998 Argenta
    2003 Print · USGS
    Covers Decatur, including Oakley, Oreana, and other nearby areas
End of results
Showing maps 1-17 of 17

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Frequently asked questions

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