Old Maps of Illiopolis, Illinois for Academic Research

Study the evolution of Illiopolis with 17 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Illiopolis has changed over the decades.


Illiopolis, IL maps

(17)
  1. 1954 Map of Niantic, 1955 Print
    1954 Map of Niantic, 1955 Print
    1954 Niantic
    1955 Print · USGS
    Mid-century Macon County is defined here by its bustling rail corridors and the winding Sangamon River. Researchers can trace old family names at Lake Bank Cem or locate forgotten stops like Wyckles Corners and Bulldog Crossing.
    3 unique versions available

  2. 1954 Map of Mechanicsburg, 1955 Print
    1954 Map of Mechanicsburg, 1955 Print
    1954 Mechanicsburg
    1955 Print · USGS
    Sangamon and Logan counties are shown here during the mid-fifties as the railroad era began to give way to modern highways. Genealogists can trace family names at Pickrell Cem and Steenbergen Cem or locate the North Side Sch (Abandoned).
    2 unique versions available

  3. 1958 Map of Decatur, 1971 Print
    1958 Map of Decatur, 1971 Print
    1958 Decatur
    1971 Print · USGS
    Central Illinois in the mid-twentieth century shows a landscape defined by industrial rail hubs and the creation of large reservoirs. Researchers can trace historic corridors like the Penn Central or locate landmarks such as Lincoln Log Cabin State Park and Lake Springfield.
    3 unique versions available

  4. 1961 Map of Decatur
    1961 Map of Decatur
    1961 Decatur
    1961 Print · USGS
    Central Illinois in the late fifties was a bustling corridor of rail lines and prairie commerce centered on the state capital. Genealogists and historians can trace the intricate connections between Springfield, Decatur, and dozens of smaller settlements like Nokomis and Arcola.
    2 unique versions available

  5. 1982 Map of Niantic, 1983 Print
    1982 Map of Niantic, 1983 Print
    1982 Niantic
    1983 Print · USGS
    Niantic and Illiopolis sit at the heart of this early 1980s landscape, where the Sangamon River valley meets a bustling rail corridor. Researchers can locate generational sites like Hunter Cem, Long Point Ch, and the rural outpost of Osbernville.

  6. 1982 Map of Mount Auburn, 1983 Print
    1982 Map of Mount Auburn, 1983 Print
    1982 Mount Auburn
    1983 Print · USGS
    Agricultural and industrial life meet along the Sangamon River during the early eighties. Genealogists and local historians can trace family plots at Riverside Cem or study the rail operations of the Norfolk and Western and Baltimore and Ohio.

  7. 1985 Map of Springfield
    1985 Map of Springfield
    1985 Springfield
    1985 Print · USGS
    Central Illinois during the mid-eighties shows a landscape of growing state capital influence and deep historical roots. Genealogists and historians can trace family sites near Oak Ridge Cem or follow the path of the Sangamon River past Williamsville and Riverton.
    2 unique versions available

  8. 2012 Map of Niantic, 2012 Print
    2012 Map of Niantic, 2012 Print
    2012 Niantic
    2012 Print · USGS
    The Sangamon River valley and the agricultural heartland of central Illinois are captured here in the early twenty-first century. Researchers can locate numerous local burial sites and landmarks including Stafford Cem, Calvary Cem, and the small community of Osbernville.

  9. 2012 Map of Mount Auburn, 2012 Print
    2012 Map of Mount Auburn, 2012 Print
    2012 Mount Auburn
    2012 Print · USGS
    Mount Auburn and the Sangamon River valley are captured in this recent survey of the Illinois prairie. Researchers can trace family history through several local burial sites such as Mostetter Cem and Bethel Cem or locate landforms like Yellow Hammer Knob.

  10. 2015 Map of Mount Auburn, 2015 Print
    2015 Map of Mount Auburn, 2015 Print
    2015 Mount Auburn
    2015 Print · USGS
    The Central Illinois prairies near the Sangamon and Christian county line are captured here in the mid-2010s. Genealogists can locate several burial sites including Bethel Cem and Mostetter Cem, while tracing the rural road networks surrounding Illiopolis and Mount Auburn.

  11. 2015 Map of Niantic, 2015 Print
    2015 Map of Niantic, 2015 Print
    2015 Niantic
    2015 Print · USGS
    The Sangamon River valley comes into focus during the mid-2010s, illustrating the enduring agricultural patterns of Central Illinois. Genealogists and researchers can locate numerous family-named burial sites including Berea Christian Cem, Darmer Cem, and Long Point Cem.

  12. 2018 Map of Mount Auburn, 2018 Print
    2018 Map of Mount Auburn, 2018 Print
    2018 Mount Auburn
    2018 Print · USGS
    The Sangamon River valley and the fertile plains of central Illinois are captured in this recent survey. Local historians and genealogists can trace family footprints through rural tracts and historic sites like the Sangamon County Home Cem, Yellow Hammer Knob, and Milligan Cem.

  13. 2018 Map of Niantic, 2018 Print
    2018 Map of Niantic, 2018 Print
    2018 Niantic
    2018 Print · USGS
    The fertile prairies of Central Illinois are documented here in the late twenty-teens, showing the intersection of three counties along the Sangamon River. Researchers can locate historic family burial sites like Calvary and Hunter Cem or trace the early paths of Old Route 36.

  14. 2021 Map of Niantic, 2021 Print
    2021 Map of Niantic, 2021 Print
    2021 Niantic
    2021 Print · USGS
    The borderlands of Macon and Sangamon Counties come into focus during this modern era of Illinois agriculture. Genealogists and local historians can trace family plots at Stafford Cem and Calvary Cem or locate the rural crossroads of Osbernville.

  15. 2021 Map of Mount Auburn, 2021 Print
    2021 Map of Mount Auburn, 2021 Print
    2021 Mount Auburn
    2021 Print · USGS
    Agricultural life and rail transport define this Sangamon and Christian County border region in the early twenty-first century. Local historians can trace family ties at the Sangamon County Home Cem or Milligan Cem, while exploring landmarks like Yellow Hammer Knob and Blind Horse Ridge.

  16. 2024 Map of Mount Auburn, 2024 Print
    2024 Map of Mount Auburn, 2024 Print
    2024 Mount Auburn
    2024 Print · USGS
    Christian and Sangamon counties are documented here in their modern agricultural and riverine context. Researchers can trace local lineage through numerous historic burial sites like Mostetter Cem and Milligan Cem, or locate landmarks such as Hampton Bluff.

  17. 2024 Map of Niantic, 2024 Print
    2024 Map of Niantic, 2024 Print
    2024 Niantic
    2024 Print · USGS
    Macon and Christian counties appear in 2024 as a landscape defined by the winding Sangamon River and the straight lines of the Illinois prairie. Researchers can locate historic family burial sites like Calvary Cem and Hunter Cem or trace the drainage of Mosquito Creek and Long Point Slough.

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