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1900s (20th Century) Maps of Jefferson County, New York

Explore 120 historic maps of Jefferson 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 Jefferson 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 Jefferson County's history through authentic maps from the 1900s. This is your window into the past.

Jefferson County, NY maps

(120)
  1. 1900 Map of Clayton, 1957 Print
    1900 Map of Clayton, 1957 Print
    1900 Clayton
    1957 Print · USGS
    Covers Jefferson County, including Brownville, Clayton, and other nearby areas
  4. 1902 Map of Carthage
    1902 Map of Carthage
    1902 Carthage
    1902 Print · USGS
    Covers Jefferson County, including Wilna, Lowville, and other nearby areas
  7. 1903 Map of Grindstone
    1903 Map of Grindstone
    1903 Grindstone
    1903 Print · USGS
    Covers Jefferson County, including Leeds and the Thousand Islands, Clayton, and other nearby areas
    4 unique versions available
  10. 1903 Map of Clayton
    1903 Map of Clayton
    1903 Clayton
    1903 Print · USGS
    Covers Jefferson County, including Brownville, Clayton, and other nearby areas
    6 unique versions available
  13. 1903 Map of Alexandria Bay
    1903 Map of Alexandria Bay
    1903 Alexandria Bay
    1903 Print · USGS
    Covers Jefferson County, including Leeds and the Thousand Islands, Alexandria, and other nearby areas
    6 unique versions available
  16. 1903 Map of Theresa
    1903 Map of Theresa
    1903 Theresa
    1903 Print · USGS
    Covers Jefferson County, including Le Ray, Watertown, and other nearby areas
    8 unique versions available
  19. 1903 Map of Orwell, 1955 Print
    1903 Map of Orwell, 1955 Print
    1903 Orwell
    1955 Print · USGS
    Covers Jefferson County, including Albion, Williamstown, and other nearby areas
  22. 1904 Map of Carthage
    1904 Map of Carthage
    1904 Carthage
    1904 Print · USGS
    Covers Jefferson County, including Wilna, Lowville, and other nearby areas
    6 unique versions available
  25. 1905 Map of Orwell
    1905 Map of Orwell
    1905 Orwell
    1905 Print · USGS
    Covers Jefferson County, including Albion, Williamstown, and other nearby areas
    6 unique versions available
  28. 1908 Map of Watertown, 1955 Print
    1908 Map of Watertown, 1955 Print
    1908 Watertown
    1955 Print · USGS
    Covers Jefferson County, including Le Ray, Watertown, and other nearby areas
  31. 1909 Map of Watertown
    1909 Map of Watertown
    1909 Watertown
    1909 Print · USGS
    Covers Jefferson County, including Le Ray, Watertown, and other nearby areas
    6 unique versions available
  34. 1911 Map of Antwerp
    1911 Map of Antwerp
    1911 Antwerp
    1911 Print · USGS
    Covers Jefferson County, including Le Ray, Wilna, and other nearby areas
    6 unique versions available
  37. 1912 Map of Hammond
    1912 Map of Hammond
    1912 Hammond
    1912 Print · USGS
    Covers Jefferson County, including Gouverneur, Alexandria, and other nearby areas
    4 unique versions available
  40. 1913 Map of Lake Bonaparte, 1956 Print
    1913 Map of Lake Bonaparte, 1956 Print
    1913 Lake Bonaparte
    1956 Print · USGS
    Covers Jefferson County, including Wilna, Croghan, and other nearby areas
  43. 1916 Map of Lake Bonaparte
    1916 Map of Lake Bonaparte
    1916 Lake Bonaparte
    1916 Print · USGS
    Covers Jefferson County, including Wilna, Croghan, and other nearby areas
    5 unique versions available
  46. 1942 Map of Stony Point
    1942 Map of Stony Point
    1942 Stony Point
    1942 Print · USGS
    Covers Jefferson County, including Ellisburg, Hounsfield, and other nearby areas
  49. 1942 Map of Cape Vincent North
    1942 Map of Cape Vincent North
    1942 Cape Vincent North
    1942 Print · USGS
    Covers Jefferson County, including Cape Vincent, Cape Vincent, and other nearby areas
  52. 1942 Map of Henderson Bay
    1942 Map of Henderson Bay
    1942 Henderson Bay
    1942 Print · USGS
    Covers Jefferson County, including Brownville, Hounsfield, and other nearby areas
  55. 1942 Map of Chaumont
    1942 Map of Chaumont
    1942 Chaumont
    1942 Print · USGS
    Covers Jefferson County, including Brownville, Cape Vincent, and other nearby areas
  58. 1942 Map of Galloo Island
    1942 Map of Galloo Island
    1942 Galloo Island
    1942 Print · USGS
    Covers Jefferson County, including Hounsfield, United States, and other nearby areas
  61. 1942 Map of Sawmill Bay
    1942 Map of Sawmill Bay
    1942 Sawmill Bay
    1942 Print · USGS
    Covers Jefferson County, including Clayton, Cape Vincent, and other nearby areas
  64. 1942 Map of Cape Vincent South
    1942 Map of Cape Vincent South
    1942 Cape Vincent South
    1942 Print · USGS
    Covers Jefferson County, including Cape Vincent, Lyme, and other nearby areas
    2 unique versions available
  67. 1942 Map of Point Peninsula
    1942 Map of Point Peninsula
    1942 Point Peninsula
    1942 Print · USGS
    Covers Jefferson County, including Hounsfield, Lyme, and other nearby areas
  70. 1942 Map of Clayton, 1957 Print
    1942 Map of Clayton, 1957 Print
    1942 Clayton
    1957 Print · USGS
    Covers Jefferson County, including Clayton, Orleans, and other nearby areas
  73. 1942 Map of Sandy Creek, 1957 Print
    1942 Map of Sandy Creek, 1957 Print
    1942 Sandy Creek
    1957 Print · USGS
    Covers Jefferson County, including Sandy Creek, Ellisburg, and other nearby areas
Showing maps 1-25 of 120

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Frequently asked questions

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