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Welcome to Cave-In-Rock (aka 'Cave-In-Rock village') ...

The village of Cave-In-Rock is located in Hardin County<1>.

While we don't have a date for the founding of Cave-In-Rock, you might consider that their post office opened in 1849.

From the  Census Estimates for 2019, Cave-In-Rock has a population of 281 people<2> (see below for details).

Cave-In-Rock is 380 feet [116 m] above sea level.<3>.

Time Zone: Cave-In-Rock lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Codes for Cave-In-Rock: 618 & 730<4>

The ZIP code for Cave-In-Rock: 62919<5>

The village of Cave-In-Rock has also been called Cave-In-Rock village.

Population Details ...

Taken from the 2019 Census Estimates, Cave-In-Rock had an population of 281 people. This is a decrease of 11.64% since the 2010 Census (or a decrease of 18.79% since the 2000 Census).

At the time of the 2010 Census, Cave-In-Rock had a population of 318 people (which is 7.36% of the total population of Hardin County). This makes Cave-In-Rock the county's 2nd most populous community.

With a 2010 count of 318 people, the population of Cave-In-Rock decreased 8.09% from the 2000 Census (which had a count of 346 people).

More information can be found on the Census Page for Cave-In-Rock.

Communities near Cave-In-Rock ...

We have created a list of 10 communities that are near Cave-In-Rock.

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

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

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

TripAdvisor Tourism Pages for Cave-In-Rock ...

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

Adding Cave-In-Rock to Our Gazetteer ...

We originally found mention of Cave-In-Rock 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 (so far) for Cave-In-Rock was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Cave-In-Rock post office opened in 1849.

For more details, see References and Mentions for Cave-In-Rock.

Footnotes ...

<1>If you're interested in how the shape of Illinois' counties, including Hardin, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Cave-In-Rock.
<3>The elevation is an estimate for the area around Cave-In-Rock - it will be higher in some places and lower in others.
<4>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 618 code has been Overlayed with the 730 area code. New phone numbers in the Cave-In-Rock area will be assigned with one of these codes: 618 or 730. As a result, placing a call in the Cave-In-Rock area will require 10-digit dialing (where you enter both the area code and then the phone number).
<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 village (such as Cave-In-Rock). When looking for a ZIP Code, whether Cave-In-Rock 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>A copy of the Blevins & Helbock Post Office list with background information can be found at:

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