Join Free

1900s (20th Century) Maps of Calvert County, Maryland

Explore 43 historic maps of Calvert 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 Calvert 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 Calvert County's history through authentic maps from the 1900s. This is your window into the past.

Calvert County, MD maps

(43)
  1. 1901 Map of Drum Point
    1901 Map of Drum Point
    1901 Drum Point
    1901 Print · USGS
    The maritime heart of the lower Chesapeake Bay comes alive in this turn-of-the-century survey of the Calvert and St. Mary’s coastline. Genealogists and historians can trace old landings and light stations like Millstone Landing, Spencers Wharf, and the Drum Pt. L.H. at the mouth of the Patuxent River.
  4. 1901 Map of Prince Frederick
    1901 Map of Prince Frederick
    1901 Prince Frederick
    1901 Print · USGS
    The Tidewater region of Maryland is captured here at the dawn of the twentieth century, when river travel and steamship wharves still defined the local economy. Researchers can locate vanished landings and ferry crossings like Magruder Ferry, Leitch Wharf, and Lower Marlboro.
  7. 1901 Map of Leonardtown
    1901 Map of Leonardtown
    1901 Leonardtown
    1901 Print · USGS
    Maryland's tidewater country at the turn of the century is defined by its deep reliance on the river and bay. Genealogists and historians can trace the vital maritime economy through old landings and wharves like Sotterly Wharf, Abells Wharf, and Coburns Wharf.
    3 unique versions available
  10. 1904 Map of Sharps Island
    1904 Map of Sharps Island
    1904 Sharps Island
    1904 Print · USGS
    The Eastern Shore at the turn of the century shows a world of tidewater landings and island communities along the Choptank River. Genealogists and maritime historians can trace early settlements like Neavitt and Avalon, or locate the original site of the Sharps Island L.H.
    3 unique versions available
  13. 1905 Map of Owensville
    1905 Map of Owensville
    1905 Owensville
    1905 Print · USGS
    Coastal Maryland in the early twentieth century was a landscape of tide-water wharves and rural post offices. Genealogists can trace family connections through sites like Owensville West River PO, Hartges Wharf, and Mitchellville PO.
    5 unique versions available
  16. 1905 Map of Drum Point
    1905 Map of Drum Point
    1905 Drum Point
    1905 Print · USGS
    The Chesapeake Bay shoreline at the turn of the century shows a landscape defined by deep-water landings and remote island settlements. Genealogists and maritime historians can trace early wharves and landings like Spencers Wharf, Millstone Landing, and the village of Solomons.
    4 unique versions available
  19. 1906 Map of St. Marys
    1906 Map of St. Marys
    1906 St. Marys
    1906 Print · USGS
    Chesapeake Bay and the Potomac River converge in this 1906 survey of the Maryland and Virginia tidewater. Historians can trace the region's maritime heritage through dozens of named landings and islands, from Solomons Id. to the remote reaches of Smith Island.
    4 unique versions available
  22. 1906 Map of Patuxent
    1906 Map of Patuxent
    1906 Patuxent
    1906 Print · USGS
    The Tidewater region of Maryland and the outskirts of the District of Columbia are shown here at the turn of the century. Researchers can trace the early footprints of Maryland Agril. College, find riverfront infrastructure at Milltown Landing, and follow long-established routes like the Marlboro Turnpike.
    4 unique versions available
  25. 1908 Map of Choptank
    1908 Map of Choptank
    1908 Choptank
    1908 Print · USGS
    Maryland's Eastern Shore and the Chesapeake Bay are captured here at the start of the twentieth century, showing a world of steamships and rail. Genealogists can trace family names at St Michaels, Oxford, and waterfront landings like Claiborne or Arundel on the Bay.
    5 unique versions available
  28. 1910 Map of Prince Frederick
    1910 Map of Prince Frederick
    1910 Prince Frederick
    1910 Print · USGS
    Coastal Calvert County comes alive in the early twentieth century, showing a landscape defined by the Patuxent River and the bay. Genealogists can trace old wharves and family settlements from Lower Marlboro to the Chesapeake Beach RR line.
    3 unique versions available
  31. 1936 Map of Leonardtown
    1936 Map of Leonardtown
    1936 Leonardtown
    1936 Print · USGS
    St. Mary's County wharves and rural parishes are captured in detail during the mid-1930s. Genealogists can trace family footprints at Old All Faith Ch, identify old school sites like Maryland Springs Sch, or locate historic landings such as Williams Wharf.
  34. 1938 Map of Prince Frederick
    1938 Map of Prince Frederick
    1938 Prince Frederick
    1938 Print · USGS
    Calvert County at the height of the 1930s reveals a Maryland landscape defined by tobacco farming and bay-front resorts. Researchers can locate vanished rural landmarks like the Cedar Hill Sch, explore the wharves at Deep Landing, or trace the early layout of Chesapeake Beach.
    3 unique versions available
  37. 1939 Map of Leonardtown
    1939 Map of Leonardtown
    1939 Leonardtown
    1939 Print · USGS
    Southern Maryland's river-oriented landscape is captured here in the late 1930s, centered on the community of Leonardtown. Genealogists can trace family roots through numerous country schools and landmarks like Bannaker Sch, St Andrews Ch, and the many landings along the Patuxent River.
    3 unique versions available
  40. 1942 Map of Drum Point
    1942 Map of Drum Point
    1942 Drum Point
    1942 Print · USGS
    The Chesapeake Bay shoreline in the early 1940s reveals a world of maritime activity and isolated coastal communities. Genealogists and local historians can trace the foundations of Solomons, locate Spencers Wharf, and explore the marshes of Taylors Island.
  43. 1942 Map of Barren Island, 1957 Print
    1942 Map of Barren Island, 1957 Print
    1942 Barren Island
    1957 Print · USGS
    Chesapeake Bay waters surround the isolated marshes of Dorchester County during the early 1940s. Maritime researchers can locate key navigational aids like the Cedar Point Lighthouse and trace the tidal channels of The Big Broads and Barren I Thorofare.
    3 unique versions available
  46. 1942 Map of Taylors Island, 1961 Print
    1942 Map of Taylors Island, 1961 Print
    1942 Taylors Island
    1961 Print · USGS
    The Eastern Shore of Maryland in the early 1940s reveals a tidewater landscape of isolated necks and marshy islands. Genealogists can trace family footprints around Smithville, Bethlehem Ch, and the complex shorelines of Robinson Neck.
  49. 1943 Map of Barren Island
    1943 Map of Barren Island
    1943 Barren Island
    1943 Print · USGS
    The Chesapeake Bay shoreline of Dorchester County is captured here during the early war years, highlighting a fragile maritime landscape. Researchers can trace historic water navigation markers and coastal features like Barren Island, Cedar Point Lighthouse, and Meekins Neck.
  52. 1943 Map of Cove Point
    1943 Map of Cove Point
    1943 Cove Point
    1943 Print · USGS
    Coastal Calvert County appears here during the height of the second World War, showing a peninsula balanced between traditional maritime life and mobilization. You can trace the development of Camp Conoy and the U S Army Camp alongside historic landmarks like Middleham Chapel and the Cove Point Light House.
    4 unique versions available
  55. 1943 Map of Taylors Island
    1943 Map of Taylors Island
    1943 Taylors Island
    1943 Print · USGS
    Dorchester County's tidal landscape and island communities are detailed during the mid-forties, showing the intricate network of marshy necks and creeks. Trace local history through family-named sites like Dunnock Island or visit the rural centers of Smithville and Taylors Island.
  58. 1944 Map of Solomons Island
    1944 Map of Solomons Island
    1944 Solomons Island
    1944 Print · USGS
    Coastal Maryland at the mouth of the Patuxent River is captured here in the mid-1940s, highlighting the expansion of the Naval Reservation. Genealogists and local historians can locate early communities like Johnstown, Jarboesville, and the Pearson Po settlement.
    4 unique versions available
  61. 1944 Map of West River
    1944 Map of West River
    1944 West River
    1944 Print · USGS
    Coastal Anne Arundel County comes alive during the war years, showing a landscape of maritime industry and rural crossroads. Genealogists can trace family roots through Tracys Landing, the Franklin Ch and Cem, and schools like Nutwell Sch.
  64. 1944 Map of Bristol
    1944 Map of Bristol
    1944 Bristol
    1944 Print · USGS
    Mid-century Anne Arundel and Prince George's counties are captured here along the banks of the Patuxent River during the Second World War. Researchers can trace rural lineages through numerous community sites like Sollers Chapel, Bristol Sch, and the old Chesapeake Beach RR line.
  67. 1948 Map of Washington
    1948 Map of Washington
    1948 Washington
    1948 Print · USGS
    The Potomac and Chesapeake regions in the late 1940s reveal a landscape of expanding military reach and deep-rooted Tidewater settlements. Trace old rail corridors like the Richmond Fredericksburg & Potomac RR or locate landmarks like the Wakefield Washington Monument and St. Marys College.
    2 unique versions available
  70. 1950 Map of Leonardtown, 1964 Print
    1950 Map of Leonardtown, 1964 Print
    1950 Leonardtown
    1964 Print · USGS
    Mid-century Southern Maryland comes alive on this peninsula bounded by the Patuxent and Potomac estuaries. Genealogists and historians can trace family-named points and rural infrastructure through landmarks like St Andrews Ch, Williams Wharf, and Broomes Island.
  73. 1953 Map of Mechanicsville, 1956 Print
    1953 Map of Mechanicsville, 1956 Print
    1953 Mechanicsville
    1956 Print · USGS
    St. Mary's County in the early fifties shows a rural landscape defined by the Patuxent River and its tidal creeks. Genealogists and local historians can trace family-named points and early schools like Brent High Sch, St Joseph Sch, and the community of Mechanicsville.
    4 unique versions available
Showing maps 1-25 of 43

Top cities of Calvert County

See more

Frequently asked questions

  • What are the different types of historical maps available for Calvert County?
  • What is the oldest map of Calvert County?
  • Where can I purchase historical maps of Calvert County for my home or office?
  • Where can I download high-res historical maps of Calvert County?
  • Are there historical topographic maps available for Calvert County?
  • Is there historical aerial imagery available for Calvert County?
  • Where are historical maps of Calvert County sourced from?