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Old Maps of Saint Louis County, Missouri for Metal Detecting

Plan your next treasure hunt with 159 historic maps of Saint Louis County. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Saint Louis County.

Saint Louis County, MO maps

(159)
  1. 1888 Map of St. Louis
    1888 Map of St. Louis
    1888 St. Louis
    1888 Print · USGS
    The Illinois bottomlands across from St. Louis come alive in the late nineteenth century as a massive railroad hub emerging from the river wetlands. Researchers can trace early rail junctions and settlements like French Village, the ancient Monks Mound, and the industrial waterfronts of Brooklyn and East St Louis.
  4. 1901 Map of De Soto
    1901 Map of De Soto
    1901 De Soto
    1901 Print · USGS
    Jefferson and Franklin Counties at the turn of the century show a landscape defined by industrial milling and river fords. Genealogists can trace early homesteads near Hillsboro or industrial sites like Vulcan Mine and Byrnes Mill.
    5 unique versions available
  7. 1903 Map of O'Fallon
    1903 Map of O'Fallon
    1903 O'Fallon
    1903 Print · USGS
    St. Charles County at the turn of the century is a labyrinth of river islands and rail lines at the confluence of the Missouri and Mississippi. Researchers can trace old river landings like Cap Au Gris Landing and family-named settlements from Moscow Mills to New Melle.
    5 unique versions available
  10. 1912 Map of Kimmswick
    1912 Map of Kimmswick
    1912 Kimmswick
    1912 Print · USGS
    The Illinois bottomlands along the Mississippi River are shown here in the early twentieth century, just as the railroad was solidifying the region's economy. Genealogists and local researchers can trace the locations of Harrisonville, the Blue Church, and historic schools like Miles Prairie School.
    2 unique versions available
  13. 1916 Map of Kimmswick
    1916 Map of Kimmswick
    1916 Kimmswick
    1916 Print · USGS
    The Mississippi River valley comes alive in this early twentieth-century survey of the Missouri-Illinois borderlands. Genealogists and historians can trace defunct schoolhouses like Fawn Ridge School, river landings such as Harrisonville Landing, and the path of the St Louis Iron Mountain and Southern RR.
    6 unique versions available
  16. 1924 Map of Robertson
    1924 Map of Robertson
    1924 Robertson
    1924 Print · USGS
    Northwest St. Louis County emerges into the aviation age during the mid-thirties, bounded by the wide Missouri River. Genealogists and historians can locate the Lambert St Louis Landing Field, the National Guard Target Range, and schools like Garret.
  19. 1927 Map of Alton
    1927 Map of Alton
    1927 Alton
    1927 Print · USGS
    The industrial and riverfront corridor of the Mississippi and Missouri confluence is captured here during a period of heavy rail and ferry traffic. Researchers can trace historic family locations through dozens of rural landmarks like Monticello Seminary, Greenwood Cem, and the City of St Louis Farms.
  22. 1927 Map of St. Charles, 1955 Print
    1927 Map of St. Charles, 1955 Print
    1927 St. Charles
    1955 Print · USGS
    The Missouri and Mississippi rivers meet in this mid-century survey, showcasing a landscape of fertile bottomlands and early aviation hubs. Genealogists can trace family footprints through dozens of rural landmarks like St Stanislaus Seminary, Orchard Farm, and Cul de Sac Sch.
    2 unique versions available
  25. 1931 Map of Manchester SE
    1931 Map of Manchester SE
    1931 Manchester SE
    1931 Print · USGS
    St. Louis County and Jefferson County were still largely defined by the river and rail lines during the early 1930s. Researchers can trace the early layout of Times Beach or locate family-history landmarks like the Rankin Cem and Oak Ridge Sch.
  28. 1931 Map of Pacific NE
    1931 Map of Pacific NE
    1931 Pacific NE
    1931 Print · USGS
    Jefferson County was a land of river bends and rural schools in the early thirties. Local historians can trace the foundations of communities at Byrnes Mill and House Springs, or locate old schoolhouse sites like Whiteoak Sch and Cedar Sch.
    2 unique versions available
  31. 1932 Map of Manchester NE
    1932 Map of Manchester NE
    1932 Manchester NE
    1932 Print · USGS
    The Missouri River floodplain and the rising bluffs of St. Louis County are captured here in the early 1930s. Genealogists and local historians can trace the foundations of Chesterfield and Bellefontaine alongside sites like Zion Sch and the St Louis City Water Works.
  34. 1933 Map of Creve Coeur
    1933 Map of Creve Coeur
    1933 Creve Coeur
    1933 Print · USGS
    St. Louis County in the early thirties shows a landscape of growing suburbs and deep-rooted cemeteries. Trace family history at Fee Fee Cemetery and locate old landmarks like Chaminade College or the Zion Sch.
  37. 1933 Map of Granite City
    1933 Map of Granite City
    1933 Granite City
    1933 Print · USGS
    The riverfront and urban neighborhoods of St. Louis thrive during the early thirties as a hub of rail and river commerce. Genealogists and historians can trace family roots through numerous local parishes like St Joseph Ch and the vast Calvary Cemetery.
    2 unique versions available
  40. 1933 Map of Jefferson Barracks
    1933 Map of Jefferson Barracks
    1933 Jefferson Barracks
    1933 Print · USGS
    South St. Louis County and the riverfront during the mid-thirties reveal a landscape of expanding suburbs and deep military roots. Genealogists and historians can trace family plots in National Cem or locate the early centers of Luxemburg and Affton PO Grevois Sta.
  43. 1933 Map of Clayton
    1933 Map of Clayton
    1933 Clayton
    1933 Print · USGS
    Greater St. Louis was expanding rapidly in the early thirties, as new subdivisions and flight paths began to reshape the western suburbs. Genealogists and historians can trace the foundations of Kinloch Park, the Lambert St Louis Airport, and landmarks like Valhalla Cem.
  46. 1933 Map of Saint Charles
    1933 Map of Saint Charles
    1933 Saint Charles
    1933 Print · USGS
    The confluence of the Missouri and Mississippi rivers in the early thirties reveals a landscape of fertile river bottoms and emerging suburban rail towns. Genealogists and researchers can trace old school districts like Cul de Sac Sch and historic sites such as St Stanislaus Seminary.
    3 unique versions available
  49. 1933 Map of Kirkwood
    1933 Map of Kirkwood
    1933 Kirkwood
    1933 Print · USGS
    St. Louis County is captured here during a period of rapid suburban and institutional expansion in the early thirties. Genealogists and local researchers can trace the footprint of Oakhill Cemetery, Meacham Park, and the grounds of Hartman College.
  52. 1934 Map of Alton
    1934 Map of Alton
    1934 Alton
    1934 Print · USGS
    The confluence of the Mississippi and Missouri rivers in the early 1930s shows a dense industrial and rail corridor centered on Alton. Genealogists and researchers can trace dozens of rural schools and landmarks like Monticello Seminary, Mt Olive Church, and the City of St Louis Farms.
    2 unique versions available
  55. 1935 Map of Granite City
    1935 Map of Granite City
    1935 Granite City
    1935 Print · USGS
    The industrial riverfront of Madison County thrives in the mid-1930s, showing a dense landscape of rail yards and expanding cities. Researchers can trace the complex trackage of the ILLINOIS TERMINAL RR and locate landmarks like the NATIONAL STOCK YARDS or Wilson Park.
    2 unique versions available
  58. 1935 Map of Florissant
    1935 Map of Florissant
    1935 Florissant
    1935 Print · USGS
    St. Louis County is captured during the mid-1930s as rural landscapes begin to integrate with early aviation and highway networks. Genealogists can trace family names at St Stanislaus Seminary, Halls Ferry, or the early Lambert St Louis Landing Field.
  61. 1935 Map of Columbia Bottom
    1935 Map of Columbia Bottom
    1935 Columbia Bottom
    1935 Print · USGS
    St. Louis County and the river confluence are captured here in the mid-1930s, showing a landscape of municipal farms and rural school districts. Genealogists can trace local roots through landmarks like Ruegg PO, Larimore, and the Vossenkemper School.
  64. 1937 Map of Pacific
    1937 Map of Pacific
    1937 Pacific
    1937 Print · USGS
    In the late 1930s, the Meramec and Big River valleys formed a landscape of rail junctions and rural infirmaries. You can trace the rail lines at Pacific, locate the C C C Camp, or find local schools like McNamee Sch and La Barque Sch.
    4 unique versions available
  67. 1937 Map of Weldon Spring
    1937 Map of Weldon Spring
    1937 Weldon Spring
    1937 Print · USGS
    The Missouri River bottoms and the rising hills of St. Charles County are shown here in the late thirties, just as industrial and parkland developments began to reshape the region. Genealogists can locate several family burial grounds like Wolf Cem and Howell Cem, alongside rural centers such as Centaur Station and Toonerville.
  70. 1940 Map of Granite City
    1940 Map of Granite City
    1940 Granite City
    1940 Print · USGS
    The industrial heart of the bi-state region comes alive in this 1940s survey of the riverfront between Illinois and Missouri. Researchers can trace the massive rail yards and river docks supporting Granite City, alongside historic landmarks like Union Station, St Louis University, and the Bellefontaine Cemetery.
    4 unique versions available
  73. 1940 Map of Eureka
    1940 Map of Eureka
    1940 Eureka
    1940 Print · USGS
    The Missouri countryside west of St. Louis appears here just before the mid-century, defined by the twin river valleys of the Missouri and Meramec. You can trace the development of Eureka and Allenton along the St Louis San Francisco rail line, or find the CCC Camp and Wildhorse Creek Sch in the hills.
Showing maps 1-25 of 159

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