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1940s Maps of Montgomery County, Maryland

Explore 27 historic maps of Montgomery County from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Montgomery County's landscape evolved across the 1940s, 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 1940s, 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 Montgomery County's history through authentic maps from the 1940s. This is your window into the past.

Montgomery County, MD maps

(27)
  1. 1942 Map of Laurel
    1942 Map of Laurel
    1942 Laurel
    1942 Print · USGS
    Maryland's corridor between Baltimore and Washington is seen here in the early 1940s as a land of rural schoolhouses and riverside mills. Researchers can trace family sites near Muirkirk, find the original Christian Brothers College, or locate historic river crossings like Brock Bridge and Duvall Bridge.
  4. 1942 Map of Frederick
    1942 Map of Frederick
    1942 Frederick
    1942 Print · USGS
    Mid-century Maryland's central corridor is centered on Frederick as it appeared before the modern interstate system. Researchers can trace the routes of the B & O Canal, locate the Montevue Almshouse, and see the intersection of the Northern Central RR with early turnpikes.
  7. 1944 Map of Waterford
    1944 Map of Waterford
    1944 Waterford
    1944 Print · USGS
    Loudoun County is shown in the mid-1940s as a landscape of rural villages and river commerce along the Maryland border. Researchers can trace the Washington and Old Dominion rail line and find landmarks like the Balls Bluff National Cemetery and Loyalty Store.
  10. 1944 Map of Germantown
    1944 Map of Germantown
    1944 Germantown
    1944 Print · USGS
    Upper Montgomery County appears as a collection of rural crossroads and rail stops during the mid-forties. Genealogists and local historians can trace family locations near Old Germantown, Bucklodge Sta, and historic sites like Cloppers Mill.
  13. 1944 Map of Poolesville
    1944 Map of Poolesville
    1944 Poolesville
    1944 Print · USGS
    Maryland's agricultural heartland and the Potomac riverfront are detailed here during the mid-1940s, just as the rural landscape began its modern shift. Researchers can trace the path of the Chesapeake and Ohio Canal and locate old crossroads at Beallsville, Poolesville, and Jerusalem.
    2 unique versions available
  16. 1944 Map of Leesburg
    1944 Map of Leesburg
    1944 Leesburg
    1944 Print · USGS
    Loudoun County, Virginia, is captured in the mid-1940s as a landscape of crossroads, mills, and riverside farms. Genealogists and historians can trace old homesteads and landmarks like Oatlands, the Prison Labor Camp No 2, and the C & O Canal (Abandoned).
  19. 1944 Map of Fairfax
    1944 Map of Fairfax
    1944 Fairfax
    1944 Print · USGS
    Northern Virginia at the height of the Second World War remains a landscape of rail-connected villages and rural schools. Genealogists and historians can trace family locations through landmarks like Oak Grove Store, Bear School, and the historic Washington and Old Dominion RR.
  22. 1944 Map of Buckeystown
    1944 Map of Buckeystown
    1944 Buckeystown
    1944 Print · USGS
    Mid-century Frederick County comes alive through its rail-side hamlets and riverside mills during the 1940s. Genealogists and historians can trace the foundations of Buckeystown, locate the Buckingham School Orphanage, and follow the Baltimore and Ohio tracks through Adamstown.
  25. 1944 Map of Urbana
    1944 Map of Urbana
    1944 Urbana
    1944 Print · USGS
    As World War II drew to a close, the rolling Piedmont between Frederick and Montgomery counties remained a landscape of rail-side villages and small milling communities. Trace the legacy of rural life through the Baltimore and Ohio corridor at Ijamsville, the local Grist Mill near Hyattstown, and the old cemeteries of Lewisdale.
    2 unique versions available
  28. 1944 Map of Clarksville
    1944 Map of Clarksville
    1944 Clarksville
    1944 Print · USGS
    Howard County's agricultural heartland is documented here in the mid-1940s, showing the early crossroads and river crossings of the Maryland interior. Genealogists can locate family landmarks like Atholton Church, the Dayton School, and several rural cemeteries near Clarksville.
  31. 1944 Map of Seneca
    1944 Map of Seneca
    1944 Seneca
    1944 Print · USGS
    The Potomac River valley and the Maryland-Virginia border are captured here during the mid-forties. Local historians can trace the Chesapeake and Ohio Canal and locate old crossroads like Darnestown, Quince Orchard, and Dranesville.
    2 unique versions available
  34. 1944 Map of Rockville, 1955 Print
    1944 Map of Rockville, 1955 Print
    1944 Rockville
    1955 Print · USGS
    Central Montgomery County is captured here in the mid-1940s as rural agriculture begins to meet suburban growth along the Baltimore and Ohio RR. Genealogists can locate family names at Beall Cem or trace rural settlements like Quince Orchard and Sunshine.
  37. 1944 Map of Damascus, 1962 Print
    1944 Map of Damascus, 1962 Print
    1944 Damascus
    1962 Print · USGS
    Mid-century Montgomery County and its neighbors retain their rural character in this detailed survey of the Piedmont. Genealogists and local historians can trace the early road network connecting Damascus to outlying hamlets like Claggettsville, Kemptown, and Etchison.
    5 unique versions available
  40. 1944 Map of Seneca, 1963 Print
    1944 Map of Seneca, 1963 Print
    1944 Seneca
    1963 Print · USGS
    Upper Montgomery County and the Potomac River valley are captured here just before the expansion of the D.C. suburbs. Researchers can trace the legacy of river commerce and rail travel through the Chesapeake and Ohio Canal, the Monocacy Aqueduct, and the Baltimore and Ohio RR line.
  43. 1945 Map of Beltsville
    1945 Map of Beltsville
    1945 Beltsville
    1945 Print · USGS
    The northern Maryland suburbs show a mix of institutional grounds and rail-side settlements in the mid-forties. Researchers can trace the early footprints of Greenbelt, locate the Briarley Military Academy, and follow the Baltimore and Ohio Railroad through Ammendale and Muirkirk.
    3 unique versions available
  46. 1945 Map of Kensington
    1945 Map of Kensington
    1945 Kensington
    1945 Print · USGS
    Montgomery County was transitioning from rural farmlands to a hub of federal and residential development during the mid-forties. Genealogists and local historians can trace family-named sites like Beall Cem and early landmarks including St Marys Cem and the Naval Medical Center.
    3 unique versions available
  49. 1945 Map of Rockville
    1945 Map of Rockville
    1945 Rockville
    1945 Print · USGS
    Montgomery County in the mid-1940s reveals a landscape of growing towns and riverfront heritage. Genealogists and historians can trace the foundations of Rockville, the operations at Congressional Airport, and the quiet reaches of the Chesapeake and Ohio Canal (Abandoned).
    2 unique versions available
  52. 1945 Map of Washington West
    1945 Map of Washington West
    1945 Washington West
    1945 Print · USGS
    The District of Columbia and its surrounding suburbs appear in detail during the mid-forties, capturing the city's growth and its transition to a modern capital. Researchers can trace historic neighborhoods from Tenleytown to Rosslyn and locate landmarks like the Tomb of Unknown Soldier and Rock Creek Cem.
  55. 1945 Map of Washington East
    1945 Map of Washington East
    1945 Washington East
    1945 Print · USGS
    The eastern suburbs and District neighborhoods show a landscape of rapid mid-century growth along the Anacostia River and rail lines. Researchers can trace historic sites like Riggs Mill, the early aviation grounds of College Park Airport, and dozens of local schools including Taft Jr High Sch.
  58. 1945 Map of Falls Church
    1945 Map of Falls Church
    1945 Falls Church
    1945 Print · USGS
    Fairfax County and the Potomac River corridor are captured during a period of transition in the mid-1940s. Genealogists and local historians can trace the early footprints of Tysons Crossroads, the route of the Washington and Old Dominion Railroad, and landmarks like Fort Marcy.
    2 unique versions available
  61. 1945 Map of Mount Airy, 1955 Print
    1945 Map of Mount Airy, 1955 Print
    1945 Mount Airy
    1955 Print · USGS
    Mid-century central Maryland is captured here as a landscape of rural villages and crossroads just before post-war expansion. Genealogists and historians can trace family locations through Mount Airy, Libertytown, and Damascus, or follow the Baltimore and Ohio rail line.
    2 unique versions available
  64. 1945 Map of Sandy Spring, 1959 Print
    1945 Map of Sandy Spring, 1959 Print
    1945 Sandy Spring
    1959 Print · USGS
    Maryland's rolling hills north of Washington D.C. are captured here just after the war, showing a landscape of small crossroads and new reservoirs. Trace the development of communities like Olney, Sandy Spring, and Brookeville near the sprawling Triadelphia Reservoir.
    5 unique versions available
  67. 1945 Map of Gaithersburg, 1960 Print
    1945 Map of Gaithersburg, 1960 Print
    1945 Gaithersburg
    1960 Print · USGS
    Upper Montgomery County is captured here at the end of the Second World War, showing the rural character of the region before the post-war building boom. Researchers can trace the early footprints of Washington Grove and Gaithersburg or locate smaller historical communities like Prathertown, Emory Grove, and Laytonsville.
    4 unique versions available
  70. 1945 Map of Woodbine, 1963 Print
    1945 Map of Woodbine, 1963 Print
    1945 Woodbine
    1963 Print · USGS
    Mid-century Howard County is documented here during the final years of the second World War, showing a landscape defined by small mills and crossroads. Researchers can trace the Baltimore and Ohio rail corridor and find local landmarks like Mt Gregory Sch, Carrs Mill, and Poplar Springs.
    6 unique versions available
  73. 1948 Map of Baltimore
    1948 Map of Baltimore
    1948 Baltimore
    1948 Print · USGS
    Maryland and Pennsylvania crossroads are captured in the late 1940s, showing a landscape defined by historic rail lines and major military installations. Genealogists can trace family connections in Gettysburg, Westminster, and near the U.S. Naval Academy in Annapolis.
    2 unique versions available
Showing maps 1-25 of 27

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Frequently asked questions

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