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

Explore 82 historic maps of LaSalle 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 LaSalle 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 LaSalle County's history through authentic maps from the 1900s. This is your window into the past.

LaSalle County, IL maps

(82)
  1. 1911 Map of La Salle
    1911 Map of La Salle
    1911 La Salle
    1911 Print · USGS
    Covers LaSalle County, including Peru, LaSalle, and other nearby areas
  4. 1913 Map of La Salle
    1913 Map of La Salle
    1913 La Salle
    1913 Print · USGS
    Covers LaSalle County, including Peru, LaSalle, and other nearby areas
    4 unique versions available
  7. 1915 Map of Ottawa
    1915 Map of Ottawa
    1915 Ottawa
    1915 Print · USGS
    Covers LaSalle County, including Dayton, Naplate, and other nearby areas
    7 unique versions available
  10. 1916 Map of Marseilles
    1916 Map of Marseilles
    1916 Marseilles
    1916 Print · USGS
    Covers LaSalle County, including Marseilles, Serena, and other nearby areas
    4 unique versions available
  13. 1925 Map of Streator, 1964 Print
    1925 Map of Streator, 1964 Print
    1925 Streator
    1964 Print · USGS
    Covers LaSalle County, including Streator, Farm Ridge, and other nearby areas
    2 unique versions available
  16. 1927 Map of Streator
    1927 Map of Streator
    1927 Streator
    1927 Print · USGS
    Covers LaSalle County, including Streator, Farm Ridge, and other nearby areas
    2 unique versions available
  19. 1934 Map of Wenona
    1934 Map of Wenona
    1934 Wenona
    1934 Print · USGS
    Covers LaSalle County, including Evans, Toluca, and other nearby areas
    2 unique versions available
  22. 1939 Map of Wenona
    1939 Map of Wenona
    1939 Wenona
    1939 Print · USGS
    Covers LaSalle County, including Evans, Toluca, and other nearby areas
    2 unique versions available
  25. 1940 Map of Marseilles, 1958 Print
    1940 Map of Marseilles, 1958 Print
    1940 Marseilles
    1958 Print · USGS
    Covers LaSalle County, including Marseilles, Serena, and other nearby areas
  28. 1946 Map of Ottawa, 1963 Print
    1946 Map of Ottawa, 1963 Print
    1946 Ottawa
    1963 Print · USGS
    Covers LaSalle County, including Dayton, Naplate, and other nearby areas
    2 unique versions available
  31. 1947 Map of La Salle, 1958 Print
    1947 Map of La Salle, 1958 Print
    1947 La Salle
    1958 Print · USGS
    Covers LaSalle County, including Peru, LaSalle, and other nearby areas
    2 unique versions available
  34. 1948 Map of Sandwich, 1965 Print
    1948 Map of Sandwich, 1965 Print
    1948 Sandwich
    1965 Print · USGS
    Covers LaSalle County, including Yorkville, Plano, and other nearby areas
  37. 1950 Map of Sandwich
    1950 Map of Sandwich
    1950 Sandwich
    1950 Print · USGS
    Covers LaSalle County, including Yorkville, Plano, and other nearby areas
    2 unique versions available
  40. 1951 Map of Earlville, 1952 Print
    1951 Map of Earlville, 1952 Print
    1951 Earlville
    1952 Print · USGS
    Covers LaSalle County, including Earlville, Leland, and other nearby areas
    2 unique versions available
  43. 1952 Map of Mendota, 1954 Print
    1952 Map of Mendota, 1954 Print
    1952 Mendota
    1954 Print · USGS
    Covers LaSalle County, including Mendota, Sublette, and other nearby areas
    3 unique versions available
  46. 1955 Map of Minonk, 1956 Print
    1955 Map of Minonk, 1956 Print
    1955 Minonk
    1956 Print · USGS
    Covers LaSalle County, including El Paso, Minonk, and other nearby areas
  49. 1958 Map of Flanagan, 1959 Print
    1958 Map of Flanagan, 1959 Print
    1958 Flanagan
    1959 Print · USGS
    Covers LaSalle County, including Gridley, Flanagan, and other nearby areas
    2 unique versions available
  52. 1958 Map of Odell, 1959 Print
    1958 Map of Odell, 1959 Print
    1958 Odell
    1959 Print · USGS
    Covers LaSalle County, including Nevada, Odell, and other nearby areas
  55. 1958 Map of Aurora, 1969 Print
    1958 Map of Aurora, 1969 Print
    1958 Aurora
    1969 Print · USGS
    Covers LaSalle County, including Aurora, Joliet, and other nearby areas
    3 unique versions available
  58. 1958 Map of Peoria, 1969 Print
    1958 Map of Peoria, 1969 Print
    1958 Peoria
    1969 Print · USGS
    Covers LaSalle County, including Peoria, Champaign, and other nearby areas
    4 unique versions available
  61. 1961 Map of Aurora
    1961 Map of Aurora
    1961 Aurora
    1961 Print · USGS
    Covers LaSalle County, including Aurora, Joliet, and other nearby areas
  64. 1961 Map of Peoria
    1961 Map of Peoria
    1961 Peoria
    1961 Print · USGS
    Covers LaSalle County, including Peoria, Champaign, and other nearby areas
  67. 1963 Map of Peoria
    1963 Map of Peoria
    1963 Peoria
    1963 Print · USGS
    Covers LaSalle County, including Peoria, Champaign, and other nearby areas
  70. 1966 Map of Ladd, 1968 Print
    1966 Map of Ladd, 1968 Print
    1966 Ladd
    1968 Print · USGS
    Covers LaSalle County, including Peru, Ladd, and other nearby areas
    2 unique versions available
  73. 1966 Map of Troy Grove, 1968 Print
    1966 Map of Troy Grove, 1968 Print
    1966 Troy Grove
    1968 Print · USGS
    Covers LaSalle County, including LaSalle, Dimmick, and other nearby areas
    2 unique versions available
Showing maps 1-25 of 82

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Frequently asked questions

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