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1900s (20th Century) Maps of Ontario, Wisconsin

Explore 8 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, WI maps

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  1. 1926 Map of La Farge
    1926 Map of La Farge
    1926 La Farge
    1926 Print · USGS
    The Kickapoo River valley in the mid-1920s reveals a landscape of ridge-top farms and isolated coulee settlements. Genealogists can trace family footprints across dozens of local school sites like Johnniecake School and through the rail corridor of the Chicago Milwaukee and St Paul River.
    3 unique versions available
  4. 1958 Map of La Crosse, 1979 Print
    1958 Map of La Crosse, 1979 Print
    1958 La Crosse
    1979 Print · USGS
    The Driftless Area of Wisconsin and Iowa is captured here during the late seventies, showing the intricate river valleys and ridge-top settlements. Genealogists and historians can trace the rail corridors of the Soo Line or locate landmarks like Grandad Bluff and Effigy Mounds National Monument.
    2 unique versions available
  7. 1961 Map of La Crosse
    1961 Map of La Crosse
    1961 La Crosse
    1961 Print · USGS
    The Driftless Area at the start of the 1960s reveals a complex network of river towns and rail lines along the Mississippi River. Genealogists and historians can trace old settlements like New Amsterdam and Wyattville or locate major landmarks like Camp McCoy Military Reservation and Effigy Mounds National Monument.
  10. 1965 Map of La Crosse
    1965 Map of La Crosse
    1965 La Crosse
    1965 Print · USGS
    The Driftless Area and the Upper Mississippi valley are captured here during a period of steady mid-century growth. Researchers can trace the rail lines of the Chicago and North Western or locate riverfront sites like Effigy Mounds National Monument and the Camp McCoy Military Reservation.
  13. 1965 Map of La Farge, 1967 Print
    1965 Map of La Farge, 1967 Print
    1965 La Farge
    1967 Print · USGS
    The Kickapoo River valley and the ridges of Vernon County are captured here in the mid-sixties, showing a landscape defined by small-scale farming and winding valley roads. Researchers can trace rural lineages through numerous hilltop landmarks like Oak Ridge Ch, Potts Corners, and the Billings Creek Cem.
  16. 1976 Map of La Crosse
    1976 Map of La Crosse
    1976 La Crosse
    1976 Print · USGS
    The Driftless Area and Mississippi River valley are captured here in the mid-seventies, showing a landscape of deep coulees and river commerce. Genealogists can trace family footprints from La Crosse to smaller hamlets like Newburg Corners and Witoka.
  19. 1983 Map of Ontario, 1984 Print
    1983 Map of Ontario, 1984 Print
    1983 Ontario
    1984 Print · USGS
    The Driftless Area landscape near the Monroe and Vernon county line shows its intricate valley network in the early 1980s. Researchers can locate the village of Ontario, remote burial sites like Calvin-Day Cem, and the boundaries of Wildcat Mountain State Park.
  22. 1985 Map of Sparta
    1985 Map of Sparta
    1985 Sparta
    1985 Print · USGS
    Western Wisconsin in the 1980s shows the unique ridge-and-valley terrain of the Driftless Area during a period of transition for its rails and rural hubs. Trace the historic rail tunnels of the Elroy-Sparta State Trail and find local landmarks like St Marys Ch and Castle Rock Lake.
    2 unique versions available
End of results
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Frequently asked questions

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