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1900s (20th Century) Maps of Boone County, Illinois

Explore 22 historic maps of Boone County 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 Boone County'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 Boone County's history through authentic maps from the 1900s. This is your window into the past.

Boone County, IL maps

(22)
  1. 1918 Map of Belvidere
    1918 Map of Belvidere
    1918 Belvidere
    1918 Print · USGS
    Covers Boone County, including Rockford, Beloit, and other nearby areas
  4. 1918 Map of Kirkland
    1918 Map of Kirkland
    1918 Kirkland
    1918 Print · USGS
    Covers Boone County, including Rockford, Belvidere, and other nearby areas
    4 unique versions available
  7. 1932 Map of Harvard
    1932 Map of Harvard
    1932 Harvard
    1932 Print · USGS
    Covers Boone County, including Harvard, Hartland, and other nearby areas
    3 unique versions available
  10. 1937 Map of Harvard
    1937 Map of Harvard
    1937 Harvard
    1937 Print · USGS
    Covers Boone County, including Harvard, Hartland, and other nearby areas
    2 unique versions available
  13. 1938 Map of Genoa
    1938 Map of Genoa
    1938 Genoa
    1938 Print · USGS
    Covers Boone County, including Sycamore, Genoa, and other nearby areas
    3 unique versions available
  16. 1944 Map of Belvidere
    1944 Map of Belvidere
    1944 Belvidere
    1944 Print · USGS
    Covers Boone County, including Rockford, Beloit, and other nearby areas
    2 unique versions available
  19. 1954 Map of Rockford
    1954 Map of Rockford
    1954 Rockford
    1954 Print · USGS
    Covers Boone County, including Milwaukee, Madison, and other nearby areas
  22. 1955 Map of Rockford
    1955 Map of Rockford
    1955 Rockford
    1955 Print · USGS
    Covers Boone County, including Milwaukee, Madison, and other nearby areas
  25. 1958 Map of Rockford, 1974 Print
    1958 Map of Rockford, 1974 Print
    1958 Rockford
    1974 Print · USGS
    Covers Boone County, including Milwaukee, Madison, and other nearby areas
    4 unique versions available
  28. 1963 Map of Rockford
    1963 Map of Rockford
    1963 Rockford
    1963 Print · USGS
    Covers Boone County, including Milwaukee, Madison, and other nearby areas
  31. 1968 Map of Belvidere South, 1970 Print
    1968 Map of Belvidere South, 1970 Print
    1968 Belvidere South
    1970 Print · USGS
    Covers Boone County, including Belvidere, Spring Township, and other nearby areas
    3 unique versions available
  34. 1968 Map of Riley, 1970 Print
    1968 Map of Riley, 1970 Print
    1968 Riley
    1970 Print · USGS
    Covers Boone County, including Riley, Spring Township, and other nearby areas
    2 unique versions available
  37. 1968 Map of Cherry Valley, 1970 Print
    1968 Map of Cherry Valley, 1970 Print
    1968 Cherry Valley
    1970 Print · USGS
    Covers Boone County, including Rockford, Belvidere, and other nearby areas
    3 unique versions available
  40. 1970 Map of Belvidere North, 1972 Print
    1970 Map of Belvidere North, 1972 Print
    1970 Belvidere North
    1972 Print · USGS
    Covers Boone County, including Belvidere, Poplar Grove, and other nearby areas
    3 unique versions available
  43. 1970 Map of Capron, 1972 Print
    1970 Map of Capron, 1972 Print
    1970 Capron
    1972 Print · USGS
    Covers Boone County, including Harvard, Sharon, and other nearby areas
    3 unique versions available
  46. 1970 Map of Caledonia, 1972 Print
    1970 Map of Caledonia, 1972 Print
    1970 Caledonia
    1972 Print · USGS
    Covers Boone County, including Rockford, Belvidere, and other nearby areas
    2 unique versions available
  49. 1970 Map of Belvidere NE, 1972 Print
    1970 Map of Belvidere NE, 1972 Print
    1970 Belvidere NE
    1972 Print · USGS
    Covers Boone County, including Poplar Grove, Manchester Township, and other nearby areas
  52. 1970 Map of Belvidere NW, 1972 Print
    1970 Map of Belvidere NW, 1972 Print
    1970 Belvidere NW
    1972 Print · USGS
    Covers Boone County, including Beloit, Machesney Park, and other nearby areas
    2 unique versions available
  55. 1970 Map of Garden Prairie, 1972 Print
    1970 Map of Garden Prairie, 1972 Print
    1970 Garden Prairie
    1972 Print · USGS
    Covers Boone County, including Garden Prairie, Marengo, and other nearby areas
  58. 1981 Map of Elgin
    1981 Map of Elgin
    1981 Elgin
    1981 Print · USGS
    Covers Boone County, including Rockford, Elgin, and other nearby areas
  61. 1993 Map of Caledonia
    1993 Map of Caledonia
    1993 Caledonia
    1993 Print · USGS
    Covers Boone County, including Rockford, Belvidere, and other nearby areas
  64. 1993 Map of Belvidere NW
    1993 Map of Belvidere NW
    1993 Belvidere NW
    1993 Print · USGS
    Covers Boone County, including Beloit, Machesney Park, and other nearby areas
End of results
Showing maps 1-22 of 22

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Frequently asked questions

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