Welcome to Boulder ...

Boulder is located in Clinton County<1>.

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

The pronunciation of Boulder: BOHL-der<3>

While we don't have a date for the founding of Boulder, you might consider that their post office opened  in 1884.

When the people of Boulder refer to themselves (known as a demonym), they frequently use Boulderite<4>

Boulder is 460 feet [140 m] above sea level.<5>.

Time Zone: Boulder lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Boulder lies within the (618) area code.

Communities Also Named Boulder ...

Using our Gazetteer, we found that there are 10 communities that are also named Boulder - they are located in British Columbia, California, Colorado (2), Idaho, Montana, Utah, Virginia, West Virginia and Wyoming.

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

Communities near Boulder ...

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

• Centralia
  (12 miles [19.3 km] to the southeast)
  • Jump to our Gazetteer entry for Centralia
  • Centralia is located in Clinton County
  • Population from the 2020 Census: 12,142 people
  • Jump to TripAdvisor's Tourism page for Centralia <6>
• Salem
  (15 miles [24.1 km] to the east)
  • Jump to our Gazetteer entry for Salem
  • Salem is located in Marion County
  • Population from the 2020 Census: 6,952 people
  • Jump to TripAdvisor's Tourism page for Salem <6>
• Greenville
  (15 miles [24.1 km] to the northwest)
  • Note: The GPS coordinates that we are using for Greenville have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Greenville
  • Greenville is located in Bond County
  • Population from the 2020 Census: 6,365 people
  • Jump to TripAdvisor's Tourism page for Greenville <6>
• Breese
  (17 miles [27.4 km] to the west)
  • Jump to our Gazetteer entry for Breese
  • Breese is located in Clinton County
  • Population from the 2020 Census: 4,538 people
  • Jump to TripAdvisor's Tourism page for Breese <6>
• Carlyle
  (9 miles [14.5 km] to the southwest)
  • Note: The GPS coordinates that we are using for Carlyle have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Carlyle
  • Carlyle is located in Clinton County
  • Population from the 2020 Census: 3,148 people
  • Jump to TripAdvisor's Tourism page for Carlyle <6>
• Germantown
  (19 miles [30.6 km] to the southwest)
  • Note: The GPS coordinates that we are using for Germantown have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Germantown
  • Germantown is located in Clinton County
  • Population from the 2020 Census: 1,273 people
  • Jump to TripAdvisor's Tourism page for Germantown <6>
• Sandoval
  (8 miles [12.9 km] to the southeast)
  • Note: The GPS coordinates that we are using for Sandoval have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Sandoval
  • Sandoval is located in Marion County
  • Population from the 2020 Census: 1,205 people
  • Jump to TripAdvisor's Tourism page for Sandoval <6>
• Wamac
  (13 miles [20.9 km] to the south)
  • Jump to our Gazetteer entry for Wamac
  • Wamac is located in Washington County
  • Population from the 2020 Census: 1,117 people
• Central City
  (11 miles [17.7 km] to the southeast)
  • Note: The GPS coordinates that we are using for Central City have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Central City
  • Central City is located in Marion County
  • Population from the 2020 Census: 1,107 people
• Odin
  (10 miles [16.1 km] to the southeast)
  • Jump to our Gazetteer entry for Odin
  • Odin is located in Marion County
  • Population from the 2020 Census: 1,004 people
  • Jump to TripAdvisor's Tourism page for Odin <6>

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

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

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

TripAdvisor Tourism Pages for Boulder ...

Looking for more information about Boulder? 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 Boulder, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Boulder.

Adding Boulder to Our Gazetteer ...

We originally found mention of Boulder 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 Boulder was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Boulder post office opened in 1884.

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

For more details, see References and Mentions for Boulder.

Off-the-Road Links ...

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

The official website for Clinton County: www.clintonco.org/

The official website for State of Illinois: https://illinois.gov