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

Explore 80 historic maps of Frederick 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 Frederick 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 Frederick County's history through authentic maps from the 1900s. This is your window into the past.


Frederick County, MD maps

(80)
  1. 1908 Map of Middletown
    1908 Map of Middletown
    1908 Middletown
    1908 Print · USGS
    The Potomac River valley in the early twentieth century shows a landscape defined by the convergence of major rail lines and the historic Chesapeake and Ohio Canal. Genealogists and historians can trace the foundations of Eakles Mills, Burkittsville, and Washington Junction.

  2. 1908 Map of Seneca
    1908 Map of Seneca
    1908 Seneca
    1908 Print · USGS
    The 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

  3. 1908 Map of Ijamsville, 1921 Print
    1908 Map of Ijamsville, 1921 Print
    1908 Ijamsville
    1921 Print · USGS
    Frederick 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.

  4. 1909 Map of Mount Airy
    1909 Map of Mount Airy
    1909 Mount Airy
    1909 Print · USGS
    Central 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

  5. 1909 Map of Ijamsville
    1909 Map of Ijamsville
    1909 Ijamsville
    1909 Print · USGS
    Frederick 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

  6. 1909 Map of Hagerstown
    1909 Map of Hagerstown
    1909 Hagerstown
    1909 Print · USGS
    Hagerstown and the Antietam valley appear here during the height of the steam rail era, shortly after the turn of the century. Genealogists and historians can locate family homesteads near landmarks like St James Church, Smoketown School, and the Hagerstown and Boonsboro Ry.

  7. 1910 Map of Antietam
    1910 Map of Antietam
    1910 Antietam
    1910 Print · USGS
    Maryland's borderlands and the Potomac River valley are captured here in the early twentieth century. Genealogists can locate family landmarks like Garretts Mill, trace the Chesapeake and Ohio Canal, or find historic sites including Dunkard Church.
    6 unique versions available

  8. 1911 Map of Taneytown
    1911 Map of Taneytown
    1911 Taneytown
    1911 Print · USGS
    Carroll County and the Maryland-Pennsylvania borderlands are captured here just after the turn of the century, showing a network of rail-linked towns and water-powered mills. Trace local history through Taneytown, Union Mills, and Pipe Creek Church, or find early school sites like Centennial Hall School.
    6 unique versions available

  9. 1911 Map of Emmitsburg
    1911 Map of Emmitsburg
    1911 Emmitsburg
    1911 Print · USGS
    Maryland's northern borderlands and the Catoctin mountains thrived in the early twentieth century as a hub for institutions, railroads, and milling. Genealogists and historians can locate family homes and old crossroads near St Josephs Academy, Sabillasville, and the Western Maryland RR.
    6 unique versions available

  10. 1912 Map of Hagerstown
    1912 Map of Hagerstown
    1912 Hagerstown
    1912 Print · USGS
    Maryland's Cumberland Valley flourished as a rail and milling corridor during the early twentieth century. Genealogists can trace family names across dozens of rural landmarks like Strites Mill, Hallowell Church, and the Paradise School.
    9 unique versions available

  11. 1942 Map of Hagerstown
    1942 Map of Hagerstown
    1942 Hagerstown
    1942 Print · USGS
    The Cumberland Valley and Potomac corridor are captured here at the height of the Second World War rail-and-river era. Genealogists and historians can trace the industrial landscape of Richmond Furnace, the route of the Chesapeake and Ohio Canal, and the grounds of Camp Ritchie.

  12. 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.

  13. 1942 Map of Gettysburg, 1944 Print
    1942 Map of Gettysburg, 1944 Print
    1942 Gettysburg
    1944 Print · USGS
    Gettysburg and its surrounding borderlands are shown in great detail during the early 1940s, capturing the region's dense network of rural schools and mills. Genealogists can trace family-named landmarks such as Galt Kump PO, Hafers Mill, and Philips Delight Sch.

  14. 1943 Map of Emmitsburg
    1943 Map of Emmitsburg
    1943 Emmitsburg
    1943 Print · USGS
    Maryland's northern border and the Frederick Valley appear during the early 1940s, where the Catoctin range meets the Monocacy plain. Genealogists can trace family names at Hoovers Mill, locate historic institutions like Mount St Marys College, or follow the Western Maryland RR.
    4 unique versions available

  15. 1943 Map of Hagerstown
    1943 Map of Hagerstown
    1943 Hagerstown
    1943 Print · USGS
    The Cumberland Valley was a critical wartime logistics hub in the 1940s, teeming with rail traffic and new military installations. Genealogists and historians can trace the Chesapeake and Ohio Canal or locate local landmarks like Richmond Furnace and Camp Ritchie.

  16. 1944 Map of Middletown
    1944 Map of Middletown
    1944 Middletown
    1944 Print · USGS
    Maryland's Middletown Valley during the mid-forties reveals a rural landscape of crossroads hamlets and prominent ridge-line monuments. Researchers can locate family-named settlements like Zittlestown and Frostown or trace mountain landmarks from Fox Gap to the Catoctin Mountain range.
    2 unique versions available

  17. 1944 Map of Walkersville
    1944 Map of Walkersville
    1944 Walkersville
    1944 Print · USGS
    Frederick County at the height of the Second World War shows a rural landscape of limestone quarries, rail corridors, and small crossroads hamlets. Genealogists can trace family footprints through Walkersville, Libertytown, and New Market, or locate industrial sites like the Lime Kiln and Old Quarry.
    2 unique versions available

  18. 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

  19. 1944 Map of Keddysville
    1944 Map of Keddysville
    1944 Keddysville
    1944 Print · USGS
    Maryland's Civil War landscape and rural hubs appear in transition during the mid-forties. Genealogists and historians can trace family locations near Antietam National Cemetery, old stops along the Baltimore and Ohio, or the path of the Chesapeake and Ohio Canal.
    2 unique versions available

  20. 1944 Map of Union Bridge
    1944 Map of Union Bridge
    1944 Union Bridge
    1944 Print · USGS
    Maryland's agricultural and industrial borderlands thrive during the mid-forties at the junction of two major rail lines. Genealogists and historians can trace the local economy through the Lehigh Portland Cement Company and historic sites like Mc Kinstrys Mill and Keymar.

  21. 1944 Map of Catoctin Furnace
    1944 Map of Catoctin Furnace
    1944 Catoctin Furnace
    1944 Print · USGS
    Mid-century Frederick County comes into focus as the Western Maryland railroad connects valley hamlets to the mountain slopes. Trace family roots and local history through landmarks like Catoctin Furnace, the Lewistown Consolidated School, and Mountaindale Sta.

  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.

  23. 1944 Map of Smithsburg
    1944 Map of Smithsburg
    1944 Smithsburg
    1944 Print · USGS
    The Mason-Dixon line divides this 1940s landscape where industrial valley towns meet the high ridgelines of the South Mountain range. Researchers can trace historic family landmarks and wartime activity at Camp Ritchie, Greensburg School, and Bowmans Mill.
    2 unique versions available

  24. 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

  25. 1944 Map of New Windsor
    1944 Map of New Windsor
    1944 New Windsor
    1944 Print · USGS
    Mid-century Carroll County comes into focus as a landscape of academic institutions, milling operations, and rolling ridges. Genealogists and local historians can trace family-named sites like Wagners Mill, the John Hyde Quarry, and settlements from Uniontown to Warfieldsburg.
    2 unique versions available

Showing maps 1-25 of 80

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Frequently asked questions

  • What are the different types of historical maps available for Frederick County?
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