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Welcome to Eureka ...

The town of Eureka is located in Lincoln County<1>.



While we don't have a date for the founding of Eureka, you might consider that their post office opened  in 1904.

When the people of Eureka refer to themselves (known as a demonym), they frequently use Eurekan<2>

From the  Census Estimates for 2019, Eureka has a population of 1,429 people<3> (see below for details).

Eureka is 2,610 feet [796 m] above sea level.<4> In other words, the altitude of Eureka is ½ mile above sea level.

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

Note: If you travel west from Eureka (for example, toward Moyie Springs (ID)), you will leave Mountain Time and cross into the Pacific Time Zone (PST/PDT).

The telephone area code for Eureka: (406)

The ZIP code for Eureka: 59917<5>

Population Details ...

Taken from the 2019 Census Estimates, Eureka had an population of 1,429 people. This is an increase of 37.8% since the 2010 Census (or an increase of 40.51% since the 2000 Census).

At the time of the 2010 Census, Eureka had a population of 1,037 people (or 5.27% of the total population of Lincoln County). This makes Eureka the county's 2nd most populous community.

The population of Eureka represents 0.1% of the population of Montana (which has 989,415 people), making it the state's 53rd most populous community.

With a 2010 count of 1,037 people, the population of Eureka increased 1.97% from the 2000 Census (with a count of 1,017 people).

More information can be found on the Census Page for Eureka.

Communities Also Named Eureka ...

Using our Gazetteer, we found that there are two Montana communities named Eureka: This one is located in Lincoln County and the other is located in Chouteau County.

Beyond Montana, there are 68 communities that are also named Eureka - they are located in Alabama (2), Alaska (2), California (2), Colorado, Florida (2), Georgia (3), Illinois, Indiana (3), Iowa (3), Kansas (6), Kentucky, Louisiana, Maine, Michigan (2), Minnesota, Mississippi, Missouri (4), Nebraska, Nevada (2), New York, North Carolina, Nova Scotia, Nunavut, Ohio (2), Oklahoma, Ontario, Pennsylvania (2), South Carolina (2), South Dakota, Tennessee (4), Texas (5), Utah, Virginia, Washington (2), West Virginia and Wisconsin.

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

Communities near Eureka ...

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

  • Rexford
    (5 miles [8 km] to the west)
  • Roosville
    (8 miles [12.9 km] to the north)
    • Note: The GPS coordinates that we are using for Roosville came from an uncertain source and they still need to be verified:<7>
    • Jump to our Gazetteer entry for Roosville
  • Newgate
    (9 miles [14.5 km] to the northwest)
    • Note: The GPS coordinates that we are using for Newgate came from an uncertain source and they still need to be verified:<7>
    • Jump to our Gazetteer entry for Newgate
  • Fortine
    (10 miles [16.1 km] to the southeast)
  • Trego
    (14 miles [22.5 km] to the southeast)
  • Grasmere
    (15 miles [24.1 km] to the north)
    • Note: The GPS coordinates that we are using for Grasmere came from an uncertain source and they still need to be verified:<7>
    • Jump to our Gazetteer entry for Grasmere
  • Stryker
    (19 miles [30.6 km] to the southeast)
  • Kragmont
    (21 miles [33.8 km] to the north)
    • Jump to our Gazetteer entry for Kragmont
  • Waldo ‑ Historic
    (22 miles [35.4 km] to the north)
    • Note: We haven't been able to verify our GPS coordinates for Waldo. Although the coordinates have been estimated, they should be in the vicinity.<8>
    • Jump to our Gazetteer entry for Waldo
  • Baynes Lake
    (25 miles [40.2 km] to the north)

TripAdvisor Tourism Pages for Eureka ...

Looking for more information about Eureka? 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.

In addition to the Tourism page for Eureka, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Eureka.

Adding Eureka to Our Gazetteer ...

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

From our notes, the earliest published mention we've found for Eureka was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>

From that list, the Eureka post office opened in 1904.

For more details, see References and Mentions for Eureka.

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

The official website for Lincoln County: www.lincolncountymt.us/

The official website for State of Montana: https://mt.gov/

Footnotes ...

<1>If you're interested in how the shape of Montana's counties, including Lincoln, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of Eureka refer to themselves. It's important to note that there aren't any rules for taking a town's name and turning it into a demonym. A demonym is informal and while the majority of Eureka may use one name, keep in mind that others may use something different.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Eureka.
<4>The elevation is an estimate for the area around Eureka - it will be higher in some places and lower in others.
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a town (such as Eureka). When looking for a ZIP Code, whether Eureka or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>If we found a location and have questions about the accuracy of our information, we will simply say that the marker is 'in the vicinity'. We are not confident about the location and the position of our marker is only a rough guide. If we have too many doubts about the location, we will not include it in our database.
<8>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.
<9>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/









 

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This page was last modified/updated: 10 Mar 2024