A Gazetteer for the United States and Canada
Welcome to Eureka ...
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).
We don't have a date for the establishment of Eureka.
Eureka is 2,610 feet [796 m] above sea level.<4> In other words, the elevation 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).
Eureka is located in the (406) area code.
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 (which is 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 have 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.
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.
Other Roadside Stops ...
Off-the-Road Links ...
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/
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
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This page was last modified: 30 Nov 2021