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Welcome to Hillsboro ...

The town of Hillsboro is located in Caroline County<1>.

While we don't have a date for the founding of Hillsboro, you might get a feel for it by knowing that the earliest mention that we've found (so far) was on a map dated 1911.

From the  Census Estimates for 2019, Hillsboro has a population of 157 people<2> (see below for details).

Hillsboro is 40 feet [12 m] above sea level.<3>.

Time Zone: Hillsboro lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Hillsboro: 410, 443 & 667<4>

The ZIP code for Hillsboro: 21641<5>

Population Details ...

Taken from the 2019 Census Estimates, Hillsboro had an population of 157 people. This is a decrease of 2.48% since the 2010 Census (or a decrease of 3.68% since the 2000 Census).

At the time of the 2010 Census, Hillsboro had a population of 161 people. This makes Hillsboro the county's 7th most populous community.

With a 2010 count of 161 people, the population of Hillsboro decreased 1.23% from the 2000 Census (with a count of 163 people).

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

Communities Also Named Hillsboro ...

Using our Gazetteer, we found that there are 34 communities that are also named Hillsboro - they are located in Alabama (2), Arkansas, Colorado, Florida, Georgia, Illinois, Indiana (2), Iowa (2), Kansas, Kentucky, Mississippi, Missouri (2), Montana, New Hampshire, New Mexico, New York, North Dakota, Nova Scotia, Ohio (2), Oregon, Pennsylvania (2), Tennessee (2), Texas, Virginia (2), West Virginia and Wisconsin.

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

Communities near Hillsboro ...

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

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

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

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

TripAdvisor Tourism Pages for Hillsboro ...

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

Adding Hillsboro to Our Gazetteer ...

We originally found mention of Hillsboro 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 Hillsboro was on a map titled Map of Maryland (from Rand McNally, 1911).

We also found Hillsboro in the book titled North American Railroad Atlas - Northeast.

For more details, see References and Mentions for Hillsboro.

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

The official website for Caroline County: www.carolinemd.org/

The official website for State of Maryland: https://www.maryland.gov/

Footnotes ...

<1>If you're interested in how the shape of Maryland's counties, including Caroline, 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 Hillsboro.
<3>The elevation is an estimate for the area around Hillsboro - 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 410 code has been Overlayed with one of the following codes: 443 or 667. New phone numbers in the Hillsboro area will be assigned with one of these codes: 410, 443 or 667. As a result, placing a call in the Hillsboro 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 town (such as Hillsboro). When looking for a ZIP Code, whether Hillsboro or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<7>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.




 

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This page was last modified/updated: 18 Apr 2025