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

Explore 19 historic maps of Putnam 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 Putnam 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 Putnam County's history through authentic maps from the 1900s. This is your window into the past.

Putnam County, IL maps

(19)
  1. 1909 Map of Hennepin
    1909 Map of Hennepin
    1909 Hennepin
    1909 Print · USGS
    North-central Illinois at the height of the railroad era is displayed here, centered on the river valleys of Putnam and Bureau counties. Genealogists can locate family landmarks such as the County Farm, Berean Church, and schools like Highland School.
  4. 1911 Map of La Salle
    1911 Map of La Salle
    1911 La Salle
    1911 Print · USGS
    The Illinois River valley thrived as a hub of rail and river commerce in the early twentieth century. Researchers can trace the development of industrial centers like La Salle and Oglesby, or locate vanished post offices and rural landmarks like Standard Taft PO and St Bedes College.
  7. 1911 Map of Hennepin
    1911 Map of Hennepin
    1911 Hennepin
    1911 Print · USGS
    The Illinois River valley and the railroad hub of Princeton are captured here at the height of the steam era. Genealogists and historians can trace family locations near the Highland School, Berean Church, and early village sites like Tiskilwa and Hallowayville.
    2 unique versions available
  10. 1913 Map of La Salle
    1913 Map of La Salle
    1913 La Salle
    1913 Print · USGS
    The industrial heart of the Illinois River valley thrives in the early twentieth century, showing the intersection of heavy rail and river trade. Genealogists can trace family homes near St Bedes College or find old post offices like Standard Taft PO and rural stops at Hicks Corners.
    4 unique versions available
  13. 1933 Map of Lacon
    1933 Map of Lacon
    1933 Lacon
    1933 Print · USGS
    The Illinois River valley in the early 1930s reveals a complex network of backwater lakes and rail-dependent towns. Researchers can locate family landmarks like St Joseph Cem, the Whitefield Town Hall, and dozens of rural schoolhouses such as Brush College Sch.
    3 unique versions available
  16. 1934 Map of Wenona
    1934 Map of Wenona
    1934 Wenona
    1934 Print · USGS
    The crossroads of Marshall, Putnam, and La Salle counties are captured here in the mid-1930s, revealing a landscape defined by railroad junctions and rural school districts. Genealogists can locate family-named landmarks like Hullinger Sch and Beckwith Sch, or trace the tracks of the Illinois Central through Wenona.
    2 unique versions available
  19. 1937 Map of Lacon
    1937 Map of Lacon
    1937 Lacon
    1937 Print · USGS
    Mid-century life along the Illinois River valley reveals a landscape of thriving river towns and rural school districts in the 1930s. Trace the vanished local footprints of Whitefield Town Hall, the Alton RR corridor, and family-named sites like Bonham Cem.
    2 unique versions available
  22. 1939 Map of Wenona
    1939 Map of Wenona
    1939 Wenona
    1939 Print · USGS
    North-central Illinois agricultural and rail hubs are captured here in the late 1930s as steam-era infrastructure reached its peak. Researchers can locate dozens of country schools and trace the tracks of the Illinois Central through Wenona and Tonica.
    2 unique versions available
  25. 1947 Map of La Salle, 1958 Print
    1947 Map of La Salle, 1958 Print
    1947 La Salle
    1958 Print · USGS
    La Salle and the Illinois River valley are shown here in the years following the war, as the rail-to-river economy remained in full swing. Local historians can trace the transition from rail to road while locating St Bedes College, Matthiessen Park, and Spring Valley.
    2 unique versions available
  28. 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
  31. 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.
  34. 1966 Map of Depue, 1968 Print
    1966 Map of Depue, 1968 Print
    1966 Depue
    1968 Print · USGS
    The Illinois River valley in the 1960s was a critical junction of heavy industry and historical waterways. Trace the rail lines at Bureau Junction or locate family sites near Searl Ridge Cem and the Steel Plant.
    2 unique versions available
  37. 1966 Map of Spring Valley, 1968 Print
    1966 Map of Spring Valley, 1968 Print
    1966 Spring Valley
    1968 Print · USGS
    The Illinois River valley in the mid-sixties is a dense corridor of rail-and-river industry and established parish life. Genealogists and historians can trace the footprint of Spring Valley and Granville through local sites like Sacred Heart Cem and Hopkins High Sch.
    2 unique versions available
  40. 1972 Map of Putnam, 1974 Print
    1972 Map of Putnam, 1974 Print
    1972 Putnam
    1974 Print · USGS
    The Illinois River valley and the community of Putnam are captured here in the early 1970s. Researchers can trace the Chicago Rock Island and Pacific rail line and locate local landmarks like Sugar Grove Cem and Lake Thunderbird.
    2 unique versions available
  43. 1972 Map of Henry, 1974 Print
    1972 Map of Henry, 1974 Print
    1972 Henry
    1974 Print · USGS
    Marshall County in the early seventies centers on the riverfront life of the community of Henry and the surrounding agricultural townships. Genealogists can locate several family-named burial sites like Forbes Cem and Harris Cem, or trace the winding course of Sandy Creek through the rural landscape.
    2 unique versions available
  46. 1972 Map of Florid, 1974 Print
    1972 Map of Florid, 1974 Print
    1972 Florid
    1974 Print · USGS
    The Illinois River bottomlands in the early 1970s reveal a landscape of vast backwater lakes and upland farming communities. Trace family roots at Riverside Cem or follow the Chicago Rock Island and Pacific rails past Hilderbrant.
    2 unique versions available
  49. 1983 Map of McNabb, 1984 Print
    1983 Map of McNabb, 1984 Print
    1983 McNabb
    1984 Print · USGS
    The Illinois prairie near the Putnam and La Salle county line is captured here in the early 1980s, centered on the village of Mc Nabb. Genealogists and historians can trace local landmarks like Mt Palatine Cem, the Coleman Sch, and the long-established Friends Ch.
  52. 1983 Map of Varna, 1984 Print
    1983 Map of Varna, 1984 Print
    1983 Varna
    1984 Print · USGS
    The northern Illinois prairie towns of Varna and Magnolia are captured here in the early eighties as the regional rail network gave way to new transport. Genealogists can trace family footprints across Statler Cem, Antioch Cem, and the Old Railroad Grade.
  55. 1985 Map of Kewanee
    1985 Map of Kewanee
    1985 Kewanee
    1985 Print · USGS
    North-central Illinois in the mid-eighties shows a landscape of river-valley industry and prairie transit. Researchers can trace family roots through Evergreen Memory Garden or follow the historic Hennepin Canal past Tiskilwa and Wyanet.
    2 unique versions available
End of results
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