1900s (20th Century) Maps of Ontario, Illinois
Explore 7 historic maps of Ontario 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 Ontario'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 Ontario's history through authentic maps from the 1900s. This is your window into the past.
Ontario, IL maps
(7)- 1947 Map of Woodhull
1947 Woodhull1947 Print · USGSCovers Ontario, including Woodhull, Wataga, and other nearby areas2 unique versions available - 1958 Map of Davenport, 1968 Print
1958 Davenport1968 Print · USGSCovers Ontario, including Cedar Rapids, Davenport, and other nearby areas2 unique versions available - 1961 Map of Davenport
1961 Davenport1961 Print · USGSCovers Ontario, including Cedar Rapids, Davenport, and other nearby areas - 1962 Map of Davenport
1962 Davenport1962 Print · USGSCovers Ontario, including Cedar Rapids, Davenport, and other nearby areas - 1982 Map of Wataga, 1983 Print
1982 Wataga1983 Print · USGSCovers Ontario, including Wataga, Henderson, and other nearby areas - 1984 Map of Aledo, 1985 Print
1984 Aledo1985 Print · USGSCovers Ontario, including Davenport, Moline, and other nearby areas - 1989 Map of Aledo
1989 Aledo1989 Print · USGSCovers Ontario, including Davenport, Moline, and other nearby areas
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Showing maps 1-7 of 7
Top cities near Ontario
- Galesburg historical maps
- Knoxville historical maps
- Cambridge historical maps
- Woodhull historical maps
- Wataga historical maps
- East Galesburg historical maps
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Frequently asked questions
- What are the different types of historical maps available for Ontario?
- What is the oldest map of Ontario?
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- Where can I download high-res historical maps of Ontario?
- Are there historical topographic maps available for Ontario?
- Is there historical aerial imagery available for Ontario?
- Where are historical maps of Ontario sourced from?