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1900s (20th Century) Maps of Leroy Township, Illinois

Explore 11 historic maps of Leroy Township 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 Leroy Township'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 Leroy Township's history through authentic maps from the 1900s. This is your window into the past.

Leroy Township, IL maps

(11)
  1. 1918 Map of Belvidere
    1918 Map of Belvidere
    1918 Belvidere
    1918 Print · USGS
    Boone County and the Kishwaukee River valley are captured here in the final year of the Great War. Researchers can trace dozens of rural school sites like Quailtrap School or locate family roots near Argyle and the Scotch Cemetery.
  4. 1932 Map of Harvard
    1932 Map of Harvard
    1932 Harvard
    1932 Print · USGS
    Northern Illinois and the Wisconsin borderlands are captured here in the early 1930s, centered on the rail hub of Harvard. Genealogists can locate dozens of named rural schools like Hoppen School and Shields School, or trace the path of the Chicago and Northwestern Electric (Abandoned) line.
    3 unique versions available
  7. 1937 Map of Harvard
    1937 Map of Harvard
    1937 Harvard
    1937 Print · USGS
    Upper Illinois and the Wisconsin borderlands are shown here in the mid-1930s, centered on the bustling rail junction at Harvard. Genealogists can trace family footprints across dozens of country schoolhouse sites like White Oak Sch and the rural cemeteries of Dunham township.
    2 unique versions available
  10. 1944 Map of Belvidere
    1944 Map of Belvidere
    1944 Belvidere
    1944 Print · USGS
    Northern Illinois at the height of the Second World War shows a landscape defined by rail-fed farming villages and dozens of country schoolhouses. Genealogists can trace family footprints near Scotch Church, the Fairgrounds, and settlements like Poplar Grove.
    2 unique versions available
  13. 1954 Map of Rockford
    1954 Map of Rockford
    1954 Rockford
    1954 Print · USGS
    The Rock River valley and the Illinois-Wisconsin borderlands are captured here in the mid-1950s during a period of robust industrial and agricultural activity. Genealogists and historians can trace rail-era corridors like the Illinois Central RR and locate landmarks from Big Foot Prairie to Lake Geneva.
  16. 1955 Map of Rockford
    1955 Map of Rockford
    1955 Rockford
    1955 Print · USGS
    The Rock River valley and southern Wisconsin dairy country are shown here in the mid-fifties as the region's manufacturing centers grew. Genealogists and historians can trace the paths of the Chicago and North Western RR and Illinois Central RR through hubs like Rockford and Beloit.
  19. 1958 Map of Rockford, 1974 Print
    1958 Map of Rockford, 1974 Print
    1958 Rockford
    1974 Print · USGS
    Northern Illinois and southern Wisconsin are shown here in the mid-twentieth century as rail-dependent industrial towns began to interface with growing lakefront communities. Genealogists can trace family roots through settlements like Saylesville and Tess Corners or locate historical landmarks like the Rockford Ordnance Depot.
    4 unique versions available
  22. 1963 Map of Rockford
    1963 Map of Rockford
    1963 Rockford
    1963 Print · USGS
    The mid-century industrial corridor along the Rock River is shown here during a period of rapid post-war growth. Researchers can trace the extensive rail lines of the Chicago and North Western or locate local landmarks like the Rockford Ordnance Depot and Holy Hill.
  25. 1970 Map of Capron, 1972 Print
    1970 Map of Capron, 1972 Print
    1970 Capron
    1972 Print · USGS
    The Illinois-Wisconsin borderlands are captured here in the early seventies, showing a landscape of established farmsteads and rail-linked villages. Genealogists can locate family sites at Burr Oak Cem, Chester Cem, or the rural community of Lawrence.
    3 unique versions available
  28. 1970 Map of Belvidere NE, 1972 Print
    1970 Map of Belvidere NE, 1972 Print
    1970 Belvidere NE
    1972 Print · USGS
    Boone County farmers and rural residents at the start of the 1970s occupied a landscape of straight section roads and winding prairie creeks. Genealogists can trace family footprints at Stone School Cem or the old settlement at Beaverton Crossroads.
  31. 1981 Map of Elgin
    1981 Map of Elgin
    1981 Elgin
    1981 Print · USGS
    Northern Illinois and southern Wisconsin are shown in the early eighties as suburban growth meets glacial terrain. Trace the paths of the Milwaukee Road through Harvard or explore the wetlands of Volo Bog State Natural Area.
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Frequently asked questions

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