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

Explore 10 historic maps of Ottawa 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 Ottawa'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 Ottawa's history through authentic maps from the 1900s. This is your window into the past.

Ottawa, IL maps

(10)
  1. 1915 Map of Ottawa
    1915 Map of Ottawa
    1915 Ottawa
    1915 Print · USGS
    LaSalle County in the early twentieth century centered on the industrial and transit hub of Ottawa at the river's edge. Researchers can trace the path of the Illinois and Michigan Canal or locate local landmarks like Twin Bluffs and Hickory College.
    7 unique versions available
  4. 1946 Map of Ottawa, 1963 Print
    1946 Map of Ottawa, 1963 Print
    1946 Ottawa
    1963 Print · USGS
    Ottawa and the Illinois River valley are shown here just after the war, featuring a landscape of industrial riverfronts and deep sandstone canyons. Researchers can locate dozens of country schools like Hickory College or trace the Illinois and Michigan Canal and Starved Rock State Park.
    2 unique versions available
  7. 1958 Map of Aurora, 1969 Print
    1958 Map of Aurora, 1969 Print
    1958 Aurora
    1969 Print · USGS
    Northern Illinois in the late fifties shows a landscape of powerful river industry and expanding transport corridors. Genealogists and historians can trace the development of Aurora and Joliet or locate sites like the Elwood Ordnance Plant and Starved Rock.
    3 unique versions available
  10. 1961 Map of Aurora
    1961 Map of Aurora
    1961 Aurora
    1961 Print · USGS
    Northern Illinois at the height of the post-war era reveals a landscape of massive industrial works and thriving river towns. Genealogists and historians can trace the paths of the Lincoln Highway or locate long-standing landmarks like the Green River Ordnance Plant and Starved Rock State Park.
  13. 1970 Map of Starved Rock, 1972 Print
    1970 Map of Starved Rock, 1972 Print
    1970 Starved Rock
    1972 Print · USGS
    The Illinois River valley in the early seventies reveals a landscape of deep canyons and heavy industry. Trace the ABANDONED Illinois and Michigan Canal and find landmarks like Buffalo Rock and the Deer Park Ch Cem.
    3 unique versions available
  16. 1970 Map of Ottawa, 1972 Print
    1970 Map of Ottawa, 1972 Print
    1970 Ottawa
    1972 Print · USGS
    Ottawa and the river valleys of LaSalle County are documented here in the early seventies, showing a hub of industry and transport. Trace the legacy of the Chicago and Michigan Canal or locate local landmarks like Marquette High Sch and Claypits.
    2 unique versions available
  19. 1970 Map of Wedron, 1972 Print
    1970 Map of Wedron, 1972 Print
    1970 Wedron
    1972 Print · USGS
    LaSalle County's river-driven geography is on full display in the early seventies as the waterways meet at Wedron. Researchers can trace local history through family sites like Trumbo Cem, industry at the Gravel Pit, and youth landmarks such as Camp Tuckabatchee.
    2 unique versions available
  22. 1985 Map of Ottawa
    1985 Map of Ottawa
    1985 Ottawa
    1985 Print · USGS
    The Illinois River valley in the mid-1980s shows a landscape balancing river commerce with sprawling energy and mining operations. Researchers can trace the layout of mining towns like Coal City or find family landmarks such as Oakwood Memorial Cem and Smiths Mound.
  25. 1991 Map of Ottawa
    1991 Map of Ottawa
    1991 Ottawa
    1991 Print · USGS
    North-central Illinois in the early nineties remains a vital corridor of river commerce and heavy rail. Genealogists and historians can trace the legacy of industrial mining near Morris or explore the river-bluff geography of Starved Rock State Park and Buffalo Rock.
  28. 1994 Map of Ottawa
    1994 Map of Ottawa
    1994 Ottawa
    1994 Print · USGS
    Ottawa and the river confluence are captured here in the 1990s as the regional hub evolved from its industrial roots. Trace family heritage and local development through detailed sites like Marquette High Sch, Ottawa Ave Cem, and the Marseilles Lock.
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Frequently asked questions

  • What are the different types of historical maps available for Ottawa?
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