Welcome to Roundup ...

The city of Roundup is located in Musselshell County<1> (at the time of its founding, Roundup was located in Yellowstone County) and is the County Seat for Musselshell County.

The location of Roundup has been provided by the Geographic Names Information System (ie- the GNIS).<2>

While we don't have a date for the founding of Roundup, you might consider that their post office opened  in 1883.

From the  Census Estimates for 2019, Roundup has a population of 1,847 people<3> (see below for details).

Roundup is 3,220 feet [981 m] above sea level.<4> In other words, the altitude of Roundup is about ½ mile above sea level.

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

Roundup is within the (406) area code.

Population Details ...

Taken from the 2019 Census Estimates, Roundup had an population of 1,847 people. This is an increase of 3.3% since the 2010 Census (or a decrease of 4.35% since the 2000 Census).

At the time of the 2010 Census, Roundup had a population of 1,788 people (which is 39.4% of the total population of Musselshell County). This makes Roundup the county's most populous community.

The population of Roundup represents 0.18% of the population of Montana (which has 989,415 people), making it the state's 39th most populous community.

With a 2010 count of 1,788 people, the population of Roundup decreased 7.41% from the 2000 Census (which had a count of 1,931 people).

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

Communities Also Named Roundup ...

Using our Gazetteer, we found that there are 2 communities that are also named Roundup - they are located in Kansas and Texas.

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

Communities near Roundup ...

We have created a list of 3 communities that are near Roundup.

• Lavina
  (21 miles [33.8 km] to the southwest)
  • Note: The GPS coordinates that we are using for Lavina have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Lavina
  • Lavina is located in Golden Valley County
  • Population from the 2020 Census: 168 people
  • Jump to TripAdvisor's Tourism page for Lavina <5>
• Musselshell
  (21 miles [33.8 km] to the east)
  • Jump to our Gazetteer entry for Musselshell
  • Musselshell is located in Musselshell County
  • Jump to TripAdvisor's Tourism page for Musselshell <5>
• Broadview
  (29 miles [46.7 km] to the southwest)
  • Jump to our Gazetteer entry for Broadview
  • Broadview is located in Yellowstone County
  • Population from the 2020 Census: 182 people
  • Jump to TripAdvisor's Tourism page for Broadview <5>

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 Roundup. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Roundup.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Roundup. 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 Roundup.

We also have a detailed list of newspapers that have been published in the area around Roundup. Our list includes 4 papers. See our Newspapers Page for Roundup.

TripAdvisor Tourism Pages for Roundup ...

Looking for more information about Roundup? 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 Roundup, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Roundup.

Adding Roundup to Our Gazetteer ...

We originally found mention of Roundup 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 Roundup was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Roundup post office opened in 1883.

We also found Roundup in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Roundup.

Off-the-Road Links ...

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

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