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

Explore 50 historic maps of Mason 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 Mason 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 Mason County's history through authentic maps from the 1900s. This is your window into the past.

Mason County, IL maps

(50)
  1. 1925 Map of Havana
    1925 Map of Havana
    1925 Havana
    1925 Print · USGS
    The Illinois River valley in the mid-1920s reveals a bustling corridor of coal mining and rail transport centered on Havana and Lewistown. Genealogists and historians can locate dozens of country schools and churches, such as Morning Star School and Mound Chapel.
    3 unique versions available
  4. 1926 Map of Beardstown
    1926 Map of Beardstown
    1926 Beardstown
    1926 Print · USGS
    The Illinois River valley and its surrounding bluffs are shown in the mid-1920s, centered on the river hub of Beardstown. Genealogists can trace family ties to dozens of local landmarks, from Griggs Chapel and Mt Zion Church to rural schools like Good Hope School and Biren School.
    2 unique versions available
  7. 1929 Map of Manito, 1972 Print
    1929 Map of Manito, 1972 Print
    1929 Manito
    1972 Print · USGS
    Mason and Fulton counties in the late 1920s reveal a landscape of deep river bottoms and newly drained prairie. Researchers can trace family history through a dense network of country schools and churches like Coon Sch and Macedonia Ch, or locate the path of the Chicago and Illinois Midland railway.
  10. 1930 Map of Chandlerville
    1930 Map of Chandlerville
    1930 Chandlerville
    1930 Print · USGS
    The confluence of the Illinois and Sangamon rivers defines this Depression-era landscape of floodplains and island farms. Genealogists can trace family footprints across Grand Island or locate rural landmarks like Mt Olive Ch and the Chicago and Illinois Midland RR.
    2 unique versions available
  13. 1932 Map of Chandlerville
    1932 Map of Chandlerville
    1932 Chandlerville
    1932 Print · USGS
    In the 1930s, the Illinois River valley was a labyrinth of sloughs and landings centered around the Sangamon confluence. Genealogists can trace family roots through numerous rural schools like Blackjack Sch or explore old river sites like Snicarte and Matanzas Beach.
    2 unique versions available
  16. 1932 Map of Manito
    1932 Map of Manito
    1932 Manito
    1932 Print · USGS
    The Illinois River valley in the early 1930s showcases a landscape of intricate drainage ditches and river-bottom hunting clubs near Manito. Researchers can trace rural lineages through dozens of named sites like Eureka Sch, Ebenezer Ch, and Wessling Cem.
    3 unique versions available
  19. 1933 Map of Petersburg, 1969 Print
    1933 Map of Petersburg, 1969 Print
    1933 Petersburg
    1969 Print · USGS
    The Menard County landscape in the early thirties is a bustling network of prairie rail towns and riverside settlements. Genealogists and historians can trace family roots through numerous sites like Rose Hill Sch, Old Concord Cem, and the Indian Creek Mine.
  22. 1938 Map of Petersburg
    1938 Map of Petersburg
    1938 Petersburg
    1938 Print · USGS
    Petersburg and the Sangamon River valley are captured here in the late 1930s, showing a landscape defined by rail-stop hamlets and country schools. Researchers can trace family history through sites like Atterbury P O, the Verbrugge Mine, and Reavis Spring Sch.
    2 unique versions available
  25. 1942 Map of Delavan
    1942 Map of Delavan
    1942 Delavan
    1942 Print · USGS
    Tazewell County's fertile plains are captured in the early 1940s, showing a landscape defined by busy rail junctions and a dense grid of country schoolhouses. Researchers can trace family roots through landmarks like St Lukes Ch, South Pekin, and rural schools such as Oak Hill Sch.
    3 unique versions available
  28. 1944 Map of Beardstown, 1959 Print
    1944 Map of Beardstown, 1959 Print
    1944 Beardstown
    1959 Print · USGS
    Beardstown and the Illinois River valley are shown here in the mid-forties, capturing a landscape of shifting river channels and rural school districts. Genealogists can trace family names through landmarks like Griggs Chapel, McClung School, and Sheldons Grove.
    2 unique versions available
  31. 1947 Map of St. David, 1982 Print
    1947 Map of St. David, 1982 Print
    1947 St. David
    1982 Print · USGS
    Fulton County industrial and river life are captured here in the late 1940s as large-scale extraction reshapes the prairie. Genealogists can trace family footprints at Salem Cem or locate vanished rural schools such as Elm Tree Sch and Maples Mill.
  34. 1947 Map of Havana, 1984 Print
    1947 Map of Havana, 1984 Print
    1947 Havana
    1984 Print · USGS
    Havana and the Illinois River valley are captured here in the late 1940s, showing a landscape defined by rail transport and river management. Genealogists can trace family roots through numerous rural landmarks like Laurel Hill Cemetery, Waterford Union Ch, and the Morton School.
  37. 1948 Map of St. David
    1948 Map of St. David
    1948 St. David
    1948 Print · USGS
    Coal country meets the Illinois River valley in the late 1940s as strip mining reshapes the landscape near St. David. Genealogists can locate numerous country schools like Science Hill Sch and Morning Star Sch alongside the Chicago Burlington and Quincy rail line.
    2 unique versions available
  40. 1948 Map of Havana
    1948 Map of Havana
    1948 Havana
    1948 Print · USGS
    Havana and the Illinois River valley are captured here in the late 1940s, showing a landscape of river-bend settlements and archaeological sites. Genealogists and historians can trace Dickson Mounds State Park, Laurel Hill Cemetery, and rural schools like Nailrod Sch.
    2 unique versions available
  43. 1948 Map of Mason City, 1963 Print
    1948 Map of Mason City, 1963 Print
    1948 Mason City
    1963 Print · USGS
    Central Illinois farming and rail life are at the forefront of this late 1940s survey. Genealogists and local historians can trace family-named sites like Johnson Valley Mine and North Sangamon Ch, alongside a dense network of rural schools.
    2 unique versions available
  46. 1949 Map of Havana
    1949 Map of Havana
    1949 Havana
    1949 Print · USGS
    The Illinois River valley in the late 1940s reveals a landscape transitioning between coal mining and conservation. Genealogists and local historians can trace family roots through dozens of rural schools and landmarks like Dickson Mounds State Park, Mound Chapel, and the St Marys Cem near Lewistown.
    3 unique versions available
  49. 1949 Map of Mason City
    1949 Map of Mason City
    1949 Mason City
    1949 Print · USGS
    Central Illinois rail hubs and prairie farmsteads are captured here just after the war, showing the intersection of three major railroads. Genealogists can locate family landmarks like Honey Heart School, Johnson Valley Mine, and the Irish Grove Church.
    2 unique versions available
  52. 1958 Map of Burlington, 1968 Print
    1958 Map of Burlington, 1968 Print
    1958 Burlington
    1968 Print · USGS
    The tri-state river country of Iowa, Illinois, and Missouri is captured here in the mid-fifties, dominated by the Mississippi River and major rail lines. Genealogists and historians can trace the development of river towns like Keokuk or locate the sprawling Iowa Army Ammunition Plant.
    4 unique versions available
  55. 1958 Map of Peoria, 1969 Print
    1958 Map of Peoria, 1969 Print
    1958 Peoria
    1969 Print · USGS
    Central Illinois thrived as a hub of education and transport during the late sixties, as the new interstate system began to reshape the prairie. Genealogists and historians can trace local landmarks like Springdale Cem, Bradley University, and the sprawling grounds of Chanute AFB.
    4 unique versions available
  58. 1961 Map of Burlington
    1961 Map of Burlington
    1961 Burlington
    1961 Print · USGS
    The tri-state borderlands along the Mississippi River are captured here during the late fifties and early sixties, showing the vital river-and-rail economy of Iowa, Illinois, and Missouri. Genealogists and historians can trace the development of major hubs like Galesburg and Macomb alongside landmark sites such as the Iowa Ordnance Plant and the historic river town of Nauvoo.
  61. 1961 Map of Peoria
    1961 Map of Peoria
    1961 Peoria
    1961 Print · USGS
    Central Illinois thrived at the intersection of river trade and rail power during the late fifties. Genealogists and local historians can trace the rail networks of the Illinois Central and Wabash, alongside landmarks like Chanute AFB and Weldon Springs State Park.
  64. 1963 Map of Burlington
    1963 Map of Burlington
    1963 Burlington
    1963 Print · USGS
    The tri-state river country of the Mississippi and Illinois valleys comes alive in this mid-century survey. Genealogists and historians can trace the industrial and academic growth of the region, from the Iowa Ordnance Plant to campuses like Knox College and Western Illinois University.
  67. 1963 Map of Peoria
    1963 Map of Peoria
    1963 Peoria
    1963 Print · USGS
    Central Illinois thrived as a rail and highway crossroads during the early sixties, centered on the bustling Illinois River valley. Genealogists and historians can trace the mid-century layout of Peoria, locate the grounds of Chanute Air Force Base, and follow historic lines like the Toledo Peoria and Western Railway.
  70. 1971 Map of Manito, 1973 Print
    1971 Map of Manito, 1973 Print
    1971 Manito
    1973 Print · USGS
    In the early seventies, the central Illinois prairie around Manito was a landscape of managed waterways and state timberlands. Trace family ties and local rail history through the Chicago and Illinois Midland tracks and sites like St Frederick Cem and Forest City.
    2 unique versions available
  73. 1971 Map of Oakford, 1973 Print
    1971 Map of Oakford, 1973 Print
    1971 Oakford
    1973 Print · USGS
    In the early seventies, the Menard County countryside around Oakford remained a landscape of prairie rail lines and deeply etched creek hollows. Researchers can locate numerous family-named landmarks and burial sites like Watkins Cem, Bobtown, and the Atterberry rail station.
Showing maps 1-25 of 50

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