A Gazetteer for the United States and Canada

Jefferson Island, Montana

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Welcome to Jefferson Island ...

Jefferson Island is located in Madison County<1>.

A typical abbreviation for Jefferson Island: Jefferson Is. (in Canada, 'Isld.' is the more common abbreviation.)

Jefferson Island is 4,270 feet [1,301 m] above sea level.<2> In other words, the elevation of Jefferson Island is about ¾ mile [or ~1¼ km] above sea level.

Time Zone: Jefferson Island lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time

Jefferson Island lies within the (406) area code.

Communities Also Named Jefferson Island ...

Using our Gazetteer, we have found that there are two Montana communities named Jefferson Island: This one is located in Madison County and the other is located in Jefferson County.

For more information, see our Tidbits & Trivia Page for Jefferson Island.

Communities near Jefferson Island ...

We have created a list of 10 communities that are near Jefferson Island.

  • Three Forks [Gallatin County]
    • Jump to our Gazetteer entry for Three Forks
    • Three Forks [Gallatin County] lies 18 miles [29 km]<3> to the east of Jefferson Island
    • Population from the 2020 Census: 2,043 people
    • Note: The GPS coordinates that we are using for Three Forks have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to Google Maps centered on Three Forks
    • Jump to TripAdvisor's Tourism page for Three Forks<5>
  • Whitehall [Jefferson County]
    • Jump to our Gazetteer entry for Whitehall
    • Whitehall [Jefferson County] lies 7 miles [11.3 km]<3> to the west of Jefferson Island
    • Population from the 2020 Census: 1,160 people
    • Note: The GPS coordinates that we are using for Whitehall have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to Google Maps centered on Whitehall
    • Jump to TripAdvisor's Tourism page for Whitehall<5>
  • Piedmont [Jefferson County]
    • Jump to our Gazetteer entry for Piedmont
    • Piedmont [Jefferson County] lies 9 miles [14.5 km]<3> to the west of Jefferson Island
    • Jump to Google Maps centered on Piedmont
  • Harrison [Madison County]
  • Continue List   (6 more) ...
    • Strawberry [Madison County] - Historic
      • Jump to our Gazetteer entry for Strawberry
      • Strawberry [Madison County] was located 12 miles [19.3 km]<3> to the south of Jefferson Island
      • Note: We haven't been able to verify our GPS coordinates for Strawberry. Although the coordinates have been estimated, they should be in the vicinity.<6>
    • Mammoth [Madison County]
      • Jump to our Gazetteer entry for Mammoth
      • Mammoth [Madison County] lies 13 miles [20.9 km]<3> to the south of Jefferson Island
      • Jump to Google Maps centered on Mammoth
    • Pony [Madison County] - Historic
    • Pipestone Hot Springs [Jefferson County]
      • Jump to our Gazetteer entry for Pipestone Hot Springs
      • Pipestone Hot Springs [Jefferson County] lies 14 miles [22.5 km]<3> to the west of Jefferson Island
      • Jump to Google Maps centered on Pipestone Hot Springs
    • Willow Creek [Gallatin County]
    • Silver Star [Madison County]

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Jefferson Island. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Jefferson Island.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Jefferson Island. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Jefferson Island.

We also have a detailed list of newspapers that have been published in the area around Jefferson Island. See our Newspapers Page for Jefferson Island.

TripAdvisor Tourism Pages for Jefferson Island ...

Looking for more information about Jefferson Island? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

While we are unaware of a Tourism page that is specific to Jefferson Island, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Jefferson Island.

Adding Jefferson Island to Our Gazetteer ...

We originally found mention of Jefferson Island in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

In addition, our notes show that the earliest dated mention that we've found for Jefferson Island was in the Business Atlas and Shippers' Guide (1895).

We also found Jefferson Island on a map titled Hixson Map of Montana (1950).

For more details about the above, see References and Mentions for Jefferson Island on our Genealogy Page.

Other Roadside Stops ...

Search for a Montana Community

About Madison County

About Montana

Off-the-Road Links ...

Unfortunately, we don't know of a website for Jefferson Island. If you can help, please contact us through our Feedback Page.

The official website for State of Montana:

Footnotes ...

<1>If you're interested in how the shape of Montana's counties, including Madison, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Jefferson Island - it will be higher in some places and lower in others.
<3>Our distances are not driving distances, but are calculated as a 'straight-line' distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Jefferson Island) to Point B.If you need the driving distance (or directions), we recommend that you use one of the Mapping Services listed on our Map Page for Jefferson Island. Since we usually use Google Maps, we've provided the following link: Google Map and Driving Directions starting from Jefferson IslandOur distance measurements begin at a specific point in Jefferson Island. The point we use is located at these GPS coordinates - Latitude: 45.8518, Longitude: -111.9405    
<4>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we have found that accuracy can vary and you should double-check the location if accuracy is required.
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.






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This page was last modified: 27 Apr 2022