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1900s (20th Century) Maps of Sussex County, Delaware

Explore 128 historic maps of Sussex 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 Sussex 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 Sussex County's history through authentic maps from the 1900s. This is your window into the past.

Sussex County, DE maps

(128)
  1. 1901 Map of Salisbury
    1901 Map of Salisbury
    1901 Salisbury
    1901 Print · USGS
    Wicomico County at the turn of the century centered on the steamboat and rail traffic through Salisbury. Trace historic family-named locations and rural infrastructure like Fooks School, Minksville, and the steam route at Shad Pt.
    4 unique versions available
  4. 1901 Map of Ocean City
    1901 Map of Ocean City
    1901 Ocean City
    1901 Print · USGS
    The Maryland and Delaware coastlines were still largely defined by maritime labor and new rail lines at the turn of the century. You can trace the early streets of Ocean City and Berlin or locate landmarks like the Fenwick Island Lighthouse and Muskrattown.
    5 unique versions available
  7. 1902 Map of Pittsville
    1902 Map of Pittsville
    1902 Pittsville
    1902 Print · USGS
    Eastern Shore life at the turn of the century is centered on the Baltimore Chesapeake and Atlantic rail line and the Pocomoke River. Genealogists can locate family-named sites like Tilghman Pond and Hearns or trace the old rail stop at Ironshire Station.
    4 unique versions available
  10. 1915 Map of Seaford
    1915 Map of Seaford
    1915 Seaford
    1915 Print · USGS
    Coastal Sussex County and the Maryland borderlands are seen here at a time when river traffic and rail lines were the lifeblood of the region. Researchers can trace the Steamboat Route up to Seaford or locate ancestral sites like Cannons Ferry and Cokesbury School.
    4 unique versions available
  13. 1917 Map of Millsboro
    1917 Map of Millsboro
    1917 Millsboro
    1917 Print · USGS
    Coastal Sussex County is captured here during the First World War, showing a landscape of rural schoolhouses and railroad sidings centered on Georgetown. Genealogists can trace family connections through numerous landmarks like Mc Colleys, Shortly, and the Westwood Church.
    2 unique versions available
  16. 1918 Map of Cedar Creek
    1918 Map of Cedar Creek
    1918 Cedar Creek
    1918 Print · USGS
    Delaware's bay coast during the Great War era reveals a landscape of tidal marshes and remote beach landings. Researchers can trace rural Sussex County life through sites like Old Baptist Ch, Mispillion River LH, and the P. B. and W. RR.
    2 unique versions available
  19. 1918 Map of Harrington
    1918 Map of Harrington
    1918 Harrington
    1918 Print · USGS
    The Kent and Sussex County borderlands at the end of the Great War reveal a landscape of busy rail corridors and small schoolhouses. Researchers can trace the legacy of rural education at Union Chapel School or locate family roots near Harrington and Hickman.
    4 unique versions available
  22. 1918 Map of Rehoboth
    1918 Map of Rehoboth
    1918 Rehoboth
    1918 Print · USGS
    Coastal Sussex County is seen here at the close of the Great War, when small farming villages still outnumbered beach resorts. Genealogists can trace family roots through numerous rural landmarks like Trinity Church, Eldorado School, and the Grange Hall.
    8 unique versions available
  25. 1918 Map of Cape Henlopen
    1918 Map of Cape Henlopen
    1918 Cape Henlopen
    1918 Print · USGS
    Coastal Sussex County is seen here at a pivotal maritime moment, as the bustling port at Lewes manages the traffic of the Delaware Bay. Researchers can trace early twentieth-century rail lines, the historic Cape Henlopen Light, and local landmarks like West Hill School.
    2 unique versions available
  28. 1919 Map of Cedar Creek
    1919 Map of Cedar Creek
    1919 Cedar Creek
    1919 Print · USGS
    Sussex County's coastal necks and rail towns are captured here at the end of the Great War. Genealogists can trace family schoolhouses like Cave Neck School and Slaughter Neck School or locate old water-powered sites such as Marshall Mill Pond.
  31. 1919 Map of Vineland, 1921 Print
    1919 Map of Vineland, 1921 Print
    1919 Vineland
    1921 Print · USGS
    Cumberland County’s coastal oyster ports and inland industrial centers are captured here during a period of peak maritime activity. Genealogists and historians can trace rail lines like the Central R. R. of New Jersey or locate vanished sites like Whitehall Ldg. and Sheppards Mill.
  34. 1937 Map of Cape Henlopen
    1937 Map of Cape Henlopen
    1937 Cape Henlopen
    1937 Print · USGS
    The Delaware coastline near Cape Henlopen comes alive in the early twentieth century, showing a landscape defined by maritime safety and rail transport. Trace the routes of the Pennsylvania RR to settlements like Lewes or locate landmarks such as the West Hill School and Cape Henlopen Light.
    2 unique versions available
  37. 1938 Map of Cedar Creek
    1938 Map of Cedar Creek
    1938 Cedar Creek
    1938 Print · USGS
    Coastal Sussex County in the late 1930s shows a landscape of tidal necks and millponds connected by the P B AND W RR. Genealogists can trace family footprints across dozens of local school sites like Wesleys School and the Old Baptist Church.
    2 unique versions available
  40. 1938 Map of Millsboro, 1945 Print
    1938 Map of Millsboro, 1945 Print
    1938 Millsboro
    1945 Print · USGS
    Sussex County’s agricultural and rail heartland is captured here between the World Wars, showing Georgetown and Millsboro before modern expansion. Genealogists can trace family roots through numerous named schoolhouses and local junctions like Knowles and Jones Crossroads.
  43. 1938 Map of Rehoboth, 1958 Print
    1938 Map of Rehoboth, 1958 Print
    1938 Rehoboth
    1958 Print · USGS
    Coastal Sussex County comes alive in the late 1930s, showcasing the early resort development of Rehoboth and Bethany Beach. Genealogists can trace rural family life through a dense network of country schoolhouses like Antioch Sch and Roxana Sch.
    2 unique versions available
  46. 1941 Map of Port Norris
    1941 Map of Port Norris
    1941 Port Norris
    1941 Print · USGS
    Cumberland County's maritime heart is captured here during the early 1940s, as the oyster industry centered on Bivalve and Port Norris reached its mid-century peak. Researchers can trace the Reading Seashore Lines to the coast or locate remote outposts like Fortescue and Matts Landing.
  49. 1942 Map of Ocean City
    1942 Map of Ocean City
    1942 Ocean City
    1942 Print · USGS
    The Maryland and Delaware coastline at the onset of the 1940s reveals a region of tidal bays and rail-dependent coastal towns. Genealogists and historians can trace family roots in early settlements like Berlin, Sinepuxent, and Bishopville or locate maritime landmarks including Fenwick Island Lighthouse.
    2 unique versions available
  52. 1942 Map of Hebron, 1962 Print
    1942 Map of Hebron, 1962 Print
    1942 Hebron
    1962 Print · USGS
    The rural Wicomico County landscape at the start of the 1940s shows a region defined by its creek-fed ponds and rail connections. Researchers can trace the Baltimore and Eastern tracks through Hebron or locate early sites like Spring Hill Airport and Porter Mill Creek.
    2 unique versions available
  55. 1942 Map of Whaleysville, 1962 Print
    1942 Map of Whaleysville, 1962 Print
    1942 Whaleysville
    1962 Print · USGS
    The Maryland and Delaware borderlands were defined by the rail-and-water economy during the early 1940s. Genealogists and local historians can trace the foundations of communities like Whaleysville and Willards, along with rural landmarks like Pulletts Chapel and Newhope Cem.
    3 unique versions available
  58. 1942 Map of Delmar, 1983 Print
    1942 Map of Delmar, 1983 Print
    1942 Delmar
    1983 Print · USGS
    The border community of Delmar is shown during its mid-century development as a rail and highway hub on the Delaware-Maryland line. Genealogists and local historians can trace family locations near St George, the Charity church, and the Wicomico River headwaters.
  61. 1942 Map of Pittsville, 1983 Print
    1942 Map of Pittsville, 1983 Print
    1942 Pittsville
    1983 Print · USGS
    The Maryland-Delaware borderlands are captured here in the early 1940s, showing a landscape defined by crossroads communities and extensive drainage works. Researchers can trace family-named sites like Glass Hill or locate the community life centered at Line Church and Pittsville.
  64. 1943 Map of Selbyville
    1943 Map of Selbyville
    1943 Selbyville
    1943 Print · USGS
    Delaware and Maryland borderlands come to life in this mid-century survey of the Selbyville area, showing the region just as wartime mapping efforts reached their peak. Genealogists can trace family footprints through historic centers like Bishopville, Showell, and St Martins Church.
    2 unique versions available
  67. 1943 Map of Delmar
    1943 Map of Delmar
    1943 Delmar
    1943 Print · USGS
    The Maryland-Delaware border region comes alive in this wartime survey of the rail and water networks connecting the two states. Genealogists can trace family locations near the State Game Farm or the rural settlements of Charity and Five Points.
  70. 1943 Map of Whaleysville
    1943 Map of Whaleysville
    1943 Whaleysville
    1943 Print · USGS
    The Maryland-Delaware border region in the early 1940s was a landscape defined by the drainage of the Cypress Swamp and the Pocomoke River. Researchers can locate historic rural landmarks including Pilgrim Church, Pulletts Chapel, and the Newhope Cem.
  73. 1943 Map of Hebron
    1943 Map of Hebron
    1943 Hebron
    1943 Print · USGS
    Hebron and its surrounding rural districts are captured here in the 1940s as wartime infrastructure began to meet traditional Maryland farm life. Genealogists can locate family landmarks like Porter Mill Cr and trace the Baltimore and Eastern rail line through Rockawalking.
Showing maps 1-25 of 128

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Frequently asked questions

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