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1940s Maps of Jefferson County, New York

Explore 47 historic maps of Jefferson 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 Jefferson 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 Jefferson County's history through authentic maps from the 1940s. This is your window into the past.

Jefferson County, NY maps

(47)
  1. 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
  4. 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
  7. 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
  10. 1942 Map of Chaumont
    1942 Map of Chaumont
    1942 Chaumont
    1942 Print · USGS
    Covers Jefferson County, including Brownville, Cape Vincent, and other nearby areas
  13. 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
  16. 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
  19. 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
  22. 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
  25. 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
  28. 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
  31. 1942 Map of Copenhagen, 1960 Print
    1942 Map of Copenhagen, 1960 Print
    1942 Copenhagen
    1960 Print · USGS
    Covers Jefferson County, including Wilna, Champion, and other nearby areas
    2 unique versions available
  34. 1943 Map of Henderson
    1943 Map of Henderson
    1943 Henderson
    1943 Print · USGS
    Covers Jefferson County, including Ellisburg, Henderson, and other nearby areas
  37. 1943 Map of Boylston
    1943 Map of Boylston
    1943 Boylston
    1943 Print · USGS
    Covers Jefferson County, including Lorraine, Boylston, and other nearby areas
  40. 1943 Map of Sackets Harbor
    1943 Map of Sackets Harbor
    1943 Sackets Harbor
    1943 Print · USGS
    Covers Jefferson County, including Brownville, Adams, and other nearby areas
  43. 1943 Map of Dexter
    1943 Map of Dexter
    1943 Dexter
    1943 Print · USGS
    Covers Jefferson County, including Brownville, Clayton, and other nearby areas
  46. 1943 Map of Thousand Island Park
    1943 Map of Thousand Island Park
    1943 Thousand Island Park
    1943 Print · USGS
    Covers Jefferson County, including Leeds and the Thousand Islands, Clayton, and other nearby areas
  49. 1943 Map of Barnes Corners
    1943 Map of Barnes Corners
    1943 Barnes Corners
    1943 Print · USGS
    Covers Jefferson County, including Rodman, Pinckney, and other nearby areas
    2 unique versions available
  52. 1943 Map of Watertown
    1943 Map of Watertown
    1943 Watertown
    1943 Print · USGS
    Covers Jefferson County, including Watertown, Watertown, and other nearby areas
  55. 1943 Map of Copenhagen
    1943 Map of Copenhagen
    1943 Copenhagen
    1943 Print · USGS
    Covers Jefferson County, including Wilna, Champion, and other nearby areas
  58. 1943 Map of Redwood
    1943 Map of Redwood
    1943 Redwood
    1943 Print · USGS
    Covers Jefferson County, including Alexandria, Theresa, and other nearby areas
  61. 1943 Map of Clayton
    1943 Map of Clayton
    1943 Clayton
    1943 Print · USGS
    Covers Jefferson County, including Clayton, Orleans, and other nearby areas
  64. 1943 Map of Lafargeville
    1943 Map of Lafargeville
    1943 Lafargeville
    1943 Print · USGS
    Covers Jefferson County, including Le Ray, Clayton, and other nearby areas
  67. 1943 Map of Adams
    1943 Map of Adams
    1943 Adams
    1943 Print · USGS
    Covers Jefferson County, including Adams, Ellisburg, and other nearby areas
  70. 1943 Map of Brownville
    1943 Map of Brownville
    1943 Brownville
    1943 Print · USGS
    Covers Jefferson County, including Watertown, Brownville, and other nearby areas
  73. 1943 Map of Ellisburg
    1943 Map of Ellisburg
    1943 Ellisburg
    1943 Print · USGS
    Covers Jefferson County, including Sandy Creek, Ellisburg, and other nearby areas
Showing maps 1-25 of 47

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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?