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Old Maps of Mercer County, Illinois for Hiking & Exploration

Hike through history with 139 historic maps of Mercer County. Explore old trails, ghost towns, and forgotten backroads — perfect for outdoor adventurers and local explorers.

  • Rediscover forgotten places: Map out old mining camps, roads, and footpaths that no longer exist on modern maps.
  • Layer with modern tools: Combine with LiDAR or satellite views to plan hikes through historical terrain.
  • Made for exploration: Popular among hikers, overlanders, and local history lovers.

Use these maps to find adventure and explore the hidden past of Mercer County.

Mercer County, IL maps

(139)
  1. 1912 Map of Milan
    1912 Map of Milan
    1912 Milan
    1912 Print · USGS
    The river confluence and burgeoning rail networks of Rock Island County are captured here just before the First World War. Researchers can trace the legacy of early industry and education through sites like the Coal Valley Mine, Blackhawk Watchtower, and Excelsior School.
    7 unique versions available
  4. 1916 Map of Edgington
    1916 Map of Edgington
    1916 Edgington
    1916 Print · USGS
    The river-and-rail corridor along the Mississippi border emerges in high detail during the early twentieth century. Genealogists and local historians can trace the rural landscape through a dense network of country schools like Whiteoak School and New Era, alongside river features like Geneva Island.
    3 unique versions available
  7. 1923 Map of Alexis
    1923 Map of Alexis
    1923 Alexis
    1923 Print · USGS
    Northwestern Illinois at the height of the steam-rail era shows a countryside dotted with local schools and coal-hauling branch lines. Genealogists and historians can trace family ties to Ohio Grove Church, Mann Cemetery, or vanished stops like Shale City.
    2 unique versions available
  10. 1925 Map of Alexis
    1925 Map of Alexis
    1925 Alexis
    1925 Print · USGS
    The Illinois prairie of the 1920s is preserved here through a remarkably detailed network of rural schoolhouses and railroad stops. Trace the paths of the Rock Island Southern through Shale City or locate family roots at Ohio Grove Church and Mann Cemetery.
  13. 1935 Map of Keithsburg
    1935 Map of Keithsburg
    1935 Keithsburg
    1935 Print · USGS
    Mercer County during the mid-thirties reveals a landscape of river towns and railroad junctions along the Mississippi. Genealogists and local historians can trace rural roots at Peniel Ch, Brick Cem, and numerous schoolhouses like Hazel Dell Sch.
    4 unique versions available
  16. 1937 Map of Orion
    1937 Map of Orion
    1937 Orion
    1937 Print · USGS
    Henry County and Mercer County are captured here in the late 1930s, showing a landscape of small agricultural hubs connected by a dense rail network. Genealogists can trace family footprints through dozens of rural schools like Washington Sch and landmarks like the Valhalla Cemetery.
    2 unique versions available
  19. 1938 Map of Edgington, 1955 Print
    1938 Map of Edgington, 1955 Print
    1938 Edgington
    1955 Print · USGS
    The Mississippi River corridor in the late thirties shows a landscape of active rail lines and riverfront industry. Genealogists can trace rural family roots through numerous local landmarks like Jimtown, White Eagle School, and Buffalo Center School.
  22. 1941 Map of Keithsburg
    1941 Map of Keithsburg
    1941 Keithsburg
    1941 Print · USGS
    The Mississippi River front in Mercer County thrived during the early 1940s as a hub of rail and river commerce. Genealogists can trace family footprints through dozens of rural landmarks, from Peniel Ch to schoolhouses like Prouty Sch and Lee Sch.
    2 unique versions available
  25. 1944 Map of Milan, 1958 Print
    1944 Map of Milan, 1958 Print
    1944 Milan
    1958 Print · USGS
    The Illinois-Iowa border comes alive in the 1940s, highlighting the industrial riverfronts and the rural interior of Rock Island and Mercer Counties. Trace family roots and local industry at the Coal Valley Mine, the US Arsenal, or the vanished schoolhouses like Doxie School.
  28. 1946 Map of Wapello, 1954 Print
    1946 Map of Wapello, 1954 Print
    1946 Wapello
    1954 Print · USGS
    The riverfront town of New Boston and the surrounding islands are captured in the mid-1940s as the Mississippi River meets the Iowa River. Researchers can trace the era's local rural life at Swan Lake Sch, Pin Oak Sch, and the engineering at Lock and Dam No 17.
    2 unique versions available
  31. 1947 Map of Woodhull
    1947 Map of Woodhull
    1947 Woodhull
    1947 Print · USGS
    The Illinois prairie at mid-century reveals a dense network of family farms and rural institutions near the Henry and Knox county lines. Genealogists can trace ancestral sites through dozens of named schools and cemeteries like Prairie Flower Sch and Oxford Cem.
    2 unique versions available
  34. 1948 Map of Muscatine
    1948 Map of Muscatine
    1948 Muscatine
    1948 Print · USGS
    The Mississippi River bottomlands along the Iowa-Illinois border are captured here in the late 1940s, showing a transition from river commerce to intensive drainage agriculture. Researchers can trace rural school districts like Lillibridge Sch and local landmarks such as the Muscatine Bridge and Glancey Lake.
    2 unique versions available
  37. 1949 Map of Wapello
    1949 Map of Wapello
    1949 Wapello
    1949 Print · USGS
    The riverfront of Mercer County and the Mississippi border appear here in the late 1940s, just after the war. Local historians can trace the river's path through Lock and Dam No 17, find rural schoolhouses like Bay View Sch, or locate the Ferry at the mouth of the Iowa River.
    2 unique versions available
  40. 1953 Map of Viola, 1957 Print
    1953 Map of Viola, 1957 Print
    1953 Viola
    1957 Print · USGS
    Mercer County farmland and rail-side villages appear in the early fifties during the height of the rural school era. Trace local family history through Viola Cemetery, Green Summit School, and the defunct rail stops at Gilchrist or Wanlock.
    2 unique versions available
  43. 1953 Map of Matherville, 1957 Print
    1953 Map of Matherville, 1957 Print
    1953 Matherville
    1957 Print · USGS
    The border of Rock Island and Mercer Counties is shown in the early 1950s as the local coal mining era was fading. Researchers can trace historic industrial sites like the Gilhrist Mine and several rural burial grounds including Farlows Grove Cemetery and Soderberg Cemetery.
    2 unique versions available
  46. 1953 Map of New Windsor, 1957 Print
    1953 Map of New Windsor, 1957 Print
    1953 New Windsor
    1957 Print · USGS
    Northwestern Illinois farm country in the early fifties shows a transition from local rail reliance to industrial coal extraction. Genealogists can locate family burial plots at Oxford Cemetery or trace the rural school system through sites like Oakridge School and Hopewell School.
    2 unique versions available
  49. 1953 Map of Orion, 1957 Print
    1953 Map of Orion, 1957 Print
    1953 Orion
    1957 Print · USGS
    The tri-county border of Henry, Rock Island, and Mercer counties appears in the early fifties as a landscape of rural schools and coal works. Researchers can trace family sites at Beulah Church, the Long View Mine, and the Rural Town Hall School.
    3 unique versions available
  52. 1953 Map of Toolesboro, 1958 Print
    1953 Map of Toolesboro, 1958 Print
    1953 Toolesboro
    1958 Print · USGS
    The Mississippi River valley along the Iowa-Illinois border comes alive in the 1950s, showcasing a landscape of shifting sloughs and river commerce. Genealogists and historians can trace family roots through Mallory Cemetery or locate the site of the New Boston Ferry and local landmarks like Pin Oak School.
    2 unique versions available
  55. 1953 Map of Blanchard Island, 1958 Print
    1953 Map of Blanchard Island, 1958 Print
    1953 Blanchard Island
    1958 Print · USGS
    The Mississippi River bottomlands between Illinois and Iowa are captured here in the early fifties, showing a landscape of complex chutes and islands. Genealogists can locate rural landmarks like Island Church, Reynolds Cemetery, and several local schools such as Excelsior School.
    2 unique versions available
  58. 1953 Map of Buffalo Prairie, 1958 Print
    1953 Map of Buffalo Prairie, 1958 Print
    1953 Buffalo Prairie
    1958 Print · USGS
    Illinois prairie life in the early fifties comes into focus along the Rock Island and Mercer County line. Researchers can trace the heritage of rural communities through several country schoolhouses and church sites like Buffalo Prairie Church and the Duncan Town Hall.
    2 unique versions available
  61. 1953 Map of Aledo East, 1958 Print
    1953 Map of Aledo East, 1958 Print
    1953 Aledo East
    1958 Print · USGS
    Mercer County's rural townships are captured here in the early 1950s, showing a landscape defined by small rail towns and country crossroads. Genealogists can trace family names through sites like Motherred Cemetery, Shale City, and the Mercer County Nursing Home.
    2 unique versions available
  64. 1953 Map of Eliza, 1958 Print
    1953 Map of Eliza, 1958 Print
    1953 Eliza
    1958 Print · USGS
    Western Illinois farm country in the early fifties is mapped here in detail, spanning the boundary of Rock Island and Mercer Counties. Researchers can locate local landmarks like the White Eagle School, Miller Cemetery, and the rural community center of Eliza.
    2 unique versions available
  67. 1953 Map of Reynolds, 1958 Print
    1953 Map of Reynolds, 1958 Print
    1953 Reynolds
    1958 Print · USGS
    The borderlands of Rock Island and Mercer counties are captured here in the early 1950s, showing a landscape shaped by small farmsteads and rural schools. Researchers can trace family sites at Hamlet Cemetery, locate vanished schoolhouses like McAfee School, and follow the path of a dismantled railroad.
    2 unique versions available
  70. 1953 Map of Joy, 1958 Print
    1953 Map of Joy, 1958 Print
    1953 Joy
    1958 Print · USGS
    Mercer County, Illinois, is captured in the early 1950s as the rail and river landscape of New Boston and Joy continued to evolve. Researchers can locate rural landmarks like Lone Star School, Shields Cemetery, and the path of the dismantled railroad.
    2 unique versions available
  73. 1953 Map of Aledo West, 1958 Print
    1953 Map of Aledo West, 1958 Print
    1953 Aledo West
    1958 Print · USGS
    Mercer County farmland in the early fifties shows a landscape of busy rural townships and established schools. Researchers can locate the Roosevelt Military Academy in Aledo or trace family sites like Griffith Cemetery and Peniel Church.
    2 unique versions available
Showing maps 1-25 of 139

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