1900s (20th Century) Maps of Montgomery County, Maryland
Explore 112 historic maps of Montgomery 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 Montgomery 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 Montgomery County's history through authentic maps from the 1900s. This is your window into the past.
Montgomery County, MD maps
(112)- 1900 Map of Washington1900 Washington1900 Print · USGSThe capital region at the turn of the century shows a landscape of river-borne commerce and expanding rail lines. Genealogists and historians can trace defunct transport links like the Shepherd Ferry and early suburbs like North Takoma and Jackson City.2 unique versions available
- 1906 Map of Patuxent1906 Patuxent1906 Print · USGSThe 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
- 1907 Map of Laurel1907 Laurel1907 Print · USGSMaryland's transit corridor between Washington and Baltimore comes alive in the early 1900s as railroads and old turnpikes cross the Patuxent valley. Trace historical landmarks from the House of Reformation to old crossings like Old Forge Bridge and Brock Bridge.3 unique versions available
- 1908 Map of Patapsco1908 Patapsco1908 Print · USGSMaryland's central corridor at the opening of the twentieth century reveals a dense network of harbor defenses and rail-line economies. Genealogists and historians can trace the foundations of Baltimore alongside local landmarks like Ashland Furnace, St Charles College, and Fort McHenry.4 unique versions available
- 1908 Map of Rockville1908 Rockville1908 Print · USGSMontgomery County was a rural landscape of crossroads and rail towns in the early twentieth century. Genealogists and historians can trace the paths of the Metropolitan Branch and early transit lines like the Georgetown and Rockville Electric Road through towns such as Rockville and Washington Grove.3 unique versions available
- 1908 Map of Seneca1908 Seneca1908 Print · USGSThe Potomac River valley at the turn of the century shows a vital landscape of canal commerce and emerging rail lines. Genealogists and historians can trace family-named sites across the Maryland-Virginia border, from Poolesville to river crossings at Whites Ferry and Edwards Ferry.7 unique versions available
- 1908 Map of Ijamsville, 1921 Print1908 Ijamsville1921 Print · USGSFrederick and its surrounding valley are captured here just after the turn of the century, showing a landscape defined by historic turnpikes and the winding Monocacy River. Genealogists and historians can trace defunct schoolhouses, early turnpike toll gates like Fountain Rock T.G., and family landmarks near Sugarloaf Mtn.
- 1909 Map of Mount Airy1909 Mount Airy1909 Print · USGSCentral Maryland's Piedmont region is captured here during the height of the steam-rail era, centered on the strategic crossing at Mount Airy. Genealogists and historians can trace old property locations near Shipleys Mill, the winding Gary Turnpike, and rural settlements like Winfield and Libertytown.7 unique versions available
- 1909 Map of Ijamsville1909 Ijamsville1909 Print · USGSFrederick County and parts of Montgomery County are documented here during an era of significant rail and turnpike expansion. Genealogists and historians can locate early post offices and stations such as Araby P O, Ijamsville, and the Almshouse near Frederick.9 unique versions available
- 1915 Map of Fairfax1915 Fairfax1915 Print · USGSNorthern Virginia in the early twentieth century appears as a collection of quiet rail towns and farmsteads. Trace the old routes of the Southern RR and find family-named landmarks like Sideburn, Balls Ford, and Bear School.4 unique versions available
- 1923 Map of Rockville1923 Rockville1923 Print · USGSMontgomery County was a landscape of rail-linked towns and river valleys in the early twentieth century. Genealogists and historians can trace the foundations of Rockville or search for family-named landmarks like Mt Zion and the path of the Chesapeake and Ohio Canal.4 unique versions available
- 1926 Map of Laurel1926 Laurel1926 Print · USGSThe corridor between Baltimore and Washington is captured here in the mid-twenties, showcasing a landscape of river-powered industry and early rail networks. Genealogists can locate family landmarks like Hicks Mill, the Willis School, and the Montgomery Chapel Cem.4 unique versions available
- 1934 Map of Upper Marlboro (east half)1934 Upper Marlboro (east half)1934 Print · USGSPrince George's County is captured here in the mid-1930s as a rural landscape of crossroads communities and evolving rail lines. Genealogists and historians can trace family roots through landmarks like St Luke Ch, Glenarden Sch, and the route of the Chesapeake Beach RR.2 unique versions available
- 1937 Map of Upper Marlboro1937 Upper Marlboro1937 Print · USGSMid-century Prince George’s County is captured here just as modern highways began to intersect its rural rail and school districts. Researchers can find old landmarks like St Barnabas Ch, the Collington Sch, and the busy Pennsylvania railroad line.
- 1938 Map of Upper Marlboro1938 Upper Marlboro1938 Print · USGSPrince George's County at the dawn of the modern era is captured here, showing the rural landscape before the post-war expansion. Researchers can trace family sites near Holy Trinity Ch, follow the Pennsylvania RR line, and locate centers like Rosaryville and Glenn Dale.3 unique versions available
- 1942 Map of Laurel1942 Laurel1942 Print · USGSMaryland'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.
- 1942 Map of Frederick1942 Frederick1942 Print · USGSMid-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.
- 1944 Map of Waterford1944 Waterford1944 Print · USGSLoudoun 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.
- 1944 Map of Germantown1944 Germantown1944 Print · USGSUpper 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.
- 1944 Map of Poolesville1944 Poolesville1944 Print · USGSMaryland'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
- 1944 Map of Leesburg1944 Leesburg1944 Print · USGSLoudoun 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).
- 1944 Map of Fairfax1944 Fairfax1944 Print · USGSNorthern 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.
- 1944 Map of Buckeystown1944 Buckeystown1944 Print · USGSMid-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.
- 1944 Map of Urbana1944 Urbana1944 Print · USGSAs 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
- 1944 Map of Clarksville1944 Clarksville1944 Print · USGSHoward 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.
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