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Old Maps of Washington County, Illinois for Metal Detecting

Plan your next treasure hunt with 122 historic maps of Washington 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 Washington County.

Washington County, IL maps

(122)
  1. 1910 Map of Carlyle
    1910 Map of Carlyle
    1910 Carlyle
    1910 Print · USGS
    Clinton County and the Kaskaskia River valley are captured here at a peak of rural development in the Edwardian era. Genealogists can trace a dense network of family-named landmarks including Hull School, McKendree Chapel, and the river crossing at Colmers Ferry.
    2 unique versions available
  4. 1910 Map of Okawville
    1910 Map of Okawville
    1910 Okawville
    1910 Print · USGS
    Eastern St. Clair and Washington counties appear here in the early 1900s, where the winding river bottomlands met the expanding railroad. Local historians can trace the development of Okawville along the Louisville & Nashville RR or find rural landmarks like Stone Church and Woodland School.
    2 unique versions available
  7. 1914 Map of Centralia
    1914 Map of Centralia
    1914 Centralia
    1914 Print · USGS
    Southern Illinois at the peak of the rail era shows a landscape of busy junctions and tightly-knit rural school districts. Genealogists and historians can trace family locations near landmarks like Possumtrot School, Fikes Hill, and the bustling yards of Centralia.
    3 unique versions available
  10. 1914 Map of Coulterville, 1965 Print
    1914 Map of Coulterville, 1965 Print
    1914 Coulterville
    1965 Print · USGS
    Southern Illinois during the height of the steam era reveals a landscape of thriving rail hubs and rural school districts. Genealogists and local historians can trace the foundations of Sparta, Coulterville, and Steeleville alongside dozens of named country schools like Brick School and Temple School.
  13. 1917 Map of Coulterville
    1917 Map of Coulterville
    1917 Coulterville
    1917 Print · USGS
    Southern Illinois during the early twentieth century was defined by its coal-belt junctions and a dense grid of rural schoolhouses. Genealogists and historians can trace family locations near landmarks like Lost Prairie School, the Illinois Central rail lines, and the growing town of Sparta.
    3 unique versions available
  16. 1924 Map of Pinckneyville, 1958 Print
    1924 Map of Pinckneyville, 1958 Print
    1924 Pinckneyville
    1958 Print · USGS
    Perry County at the height of its rail and coal era is captured here, centered on the bustling junction of Pinckneyville. Genealogists can locate dozens of country schools like St Marys School and Slade School, or trace family mines such as Panther Mine.
    2 unique versions available
  19. 1926 Map of Pinckneyville
    1926 Map of Pinckneyville
    1926 Pinckneyville
    1926 Print · USGS
    Perry County at the height of the mid-twenties coal era shows a bustling landscape of rail-connected towns and rural school districts. Genealogists and historians can trace family locations near Pinckneyville at Carr School, Oak Grove Church, and the Victory Coal Mine.
    2 unique versions available
  22. 1926 Map of Duquoin
    1926 Map of Duquoin
    1926 Duquoin
    1926 Print · USGS
    Southern Illinois coal country is at its industrial peak in the mid-twenties, with thriving rail towns and active collieries. You can trace early 20th-century family roots at Young's Chapel or locate old operations like the Big Ben Mine and Old Keller Mine.
    3 unique versions available
  25. 1931 Map of Hoyleton
    1931 Map of Hoyleton
    1931 Hoyleton
    1931 Print · USGS
    Washington County at the start of the 1930s shows a landscape of busy crossroads and rail junctions. Genealogists can trace family roots through numerous local schoolhouses like Nuptial Sch and Hogshead Sch, or locate ancestors at the Masonic Cem.
  28. 1932 Map of Nashville, 1960 Print
    1932 Map of Nashville, 1960 Print
    1932 Nashville
    1960 Print · USGS
    Washington and Clinton Counties come alive in the early thirties as a dense network of rail and rural schools. Genealogists can trace family roots through landmarks like Locust Creek Cem and dozens of local schoolhouses including Sassafras Sch and Hogshead Sch.
    2 unique versions available
  31. 1935 Map of Centralia, 1958 Print
    1935 Map of Centralia, 1958 Print
    1935 Centralia
    1958 Print · USGS
    Centralia and the surrounding Marion County townships thrived as a major railroad crossroads in the mid-1930s. Researchers can locate dozens of localized rural schoolhouses like Red Stripe and Possumtrot School or trace the early paths of the Illinois Central through Sandoval and Odin.
  34. 1936 Map of Nashville
    1936 Map of Nashville
    1936 Nashville
    1936 Print · USGS
    Southern Illinois prairie life thrives at the crossroads of the river and rail in the mid-1930s. Genealogists can locate dozens of country schools and churches, from Hogshead Sch to Elkhorn Sch, and trace the path of the Louisville and Nashville Railroad.
    2 unique versions available
  37. 1940 Map of Okawville, 1958 Print
    1940 Map of Okawville, 1958 Print
    1940 Okawville
    1958 Print · USGS
    Southwestern Illinois at the start of the 1940s remains a landscape of tight-knit farming hamlets and river-bottom wetlands. Researchers can trace the heritage of German settlements and rail stops from St Libory and Darmstadt to the mineral springs area of Okawville.
  40. 1943 Map of Ashley, 1967 Print
    1943 Map of Ashley, 1967 Print
    1943 Ashley
    1967 Print · USGS
    Southern Illinois during the early 1940s is captured here as a thriving rail and agricultural hub. Genealogists can locate specific family-linked landmarks like the Blissville Polling House, Conta Colliery, and the Odd Fellows Cem.
  43. 1946 Map of Ashley
    1946 Map of Ashley
    1946 Ashley
    1946 Print · USGS
    Southern Illinois at the end of the war was a landscape of concentrated rail corridors and rural school districts. Genealogists can trace family roots through dozens of local landmarks like St Michael Cem, Oniontown, and the Blissville Polling House.
  46. 1948 Map of Carlyle
    1948 Map of Carlyle
    1948 Carlyle
    1948 Print · USGS
    Carlyle and the Kaskaskia River valley are captured in the late 1940s, showing a landscape of river-bend lakes and thriving rail towns. Researchers can trace the heritage of local families at McKendree Chapel, The Mound School, and the State Fish Hatchery.
  49. 1957 Map of Venedy, 1958 Print
    1957 Map of Venedy, 1958 Print
    1957 Venedy
    1958 Print · USGS
    Southern Illinois at the peak of the post-war era shows a landscape defined by the winding Kaskaskia River and the busy Louisville and Nashville railroad. Genealogists can trace the rural communities of Venedy and Johannishurg, or locate family landmarks like the Miller Cem and several oxbow lakes.
    2 unique versions available
  52. 1958 Map of Belleville, 1973 Print
    1958 Map of Belleville, 1973 Print
    1958 Belleville
    1973 Print · USGS
    Southern Illinois during the mid-twentieth century reveals a landscape of industrial growth and massive new reservoirs. Genealogists and historians can trace the paths of the Illinois Central RR through towns like Centralia or locate landmarks such as Emerald Mound and the Looking Glass Prairie.
    3 unique versions available
  55. 1962 Map of Belleville
    1962 Map of Belleville
    1962 Belleville
    1962 Print · USGS
    Southern Illinois in the late fifties reveals a landscape of industrial growth and ancient landmarks before the full expansion of the interstate system. Genealogists can trace family names and rural post offices near Centralia, Salem, and the historic Monks Mound.
  58. 1962 Map of Okawville, 1963 Print
    1962 Map of Okawville, 1963 Print
    1962 Okawville
    1963 Print · USGS
    Washington County during the early 1960s reveals a landscape defined by the winding Kaskaskia River and the steady commerce of the rail lines. Researchers can trace ancestral roots through numerous local landmarks like St Pauls Ch, Klasing Sch, and the IOOF Cem.
    2 unique versions available
  61. 1964 Map of Oakdale, 1966 Print
    1964 Map of Oakdale, 1966 Print
    1964 Oakdale
    1966 Print · USGS
    Washington County farming communities and crossroad settlements are captured here in the mid-sixties. You can trace family roots at St Johns Cem, locate the old Lookout Tower, and follow the Missouri Illinois rail line through Oakdale.
  64. 1964 Map of St. Libory, 1966 Print
    1964 Map of St. Libory, 1966 Print
    1964 St. Libory
    1966 Print · USGS
    St. Clair and Washington Counties are shown here in the mid-1960s, documenting a landscape of rural hamlets and farming townships. Researchers can trace family sites near Darmstadt Cem, the Johannisburg Sch, and the original settlement at Old Marissa.
    2 unique versions available
  67. 1965 Map of Tilden, 1966 Print
    1965 Map of Tilden, 1966 Print
    1965 Tilden
    1966 Print · USGS
    Southwestern Illinois was a critical rail and energy hub in the 1960s, shaped by three major railroad lines and an emerging aviation presence. Local historians can trace the development of Sparta and Tilden alongside landmarks like St Johns Ch and the Caledonia Cemetery.
    2 unique versions available
  70. 1965 Map of Coulterville, 1966 Print
    1965 Map of Coulterville, 1966 Print
    1965 Coulterville
    1966 Print · USGS
    The Illinois prairie meets the railroad junction in the mid-1960s at the intersection of three counties. Genealogists and rail historians can trace the paths of the Illinois Central through Coulterville or find local landmarks like Bethel Cem and McKinley.
    2 unique versions available
  73. 1969 Map of Centralia West, 1971 Print
    1969 Map of Centralia West, 1971 Print
    1969 Centralia West
    1971 Print · USGS
    Centralia and Wamac are shown at a peak of industrial and institutional growth in the late sixties. Researchers can trace family roots through numerous sites like Bethlehem Cem, Kaskaskia College, and the busy Junction City (Glen Ridge Station).
    2 unique versions available
Showing maps 1-25 of 122

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Frequently asked questions

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