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Welcome to Blenheim ...

The town of Blenheim is located in Marlboro County<1>.

The pronunciation of Blenheim: BLEN-um<2>

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

From the  Census Estimates for 2019, Blenheim has a population of 141 people<3> (see below for details).

Blenheim is 110 feet [34 m] above sea level.<4>.

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

Area Codes for Blenheim: 843 & 854<5>

The ZIP code for Blenheim: 29516<6>

Population Details ...

Taken from the 2019 Census Estimates, Blenheim had an population of 141 people. This is a decrease of 8.44% since the 2010 Census (or an increase of 2.92% since the 2000 Census).

At the time of the 2010 Census, Blenheim had a population of 154 people. This makes Blenheim the county's 4th most populous community.

With a 2010 count of 154 people, the population of Blenheim increased 12.41% from the 2000 Census (with a count of 137 people).

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

Communities Also Named Blenheim ...

Using our Gazetteer, we found that there are 5 communities that are also named Blenheim - they are located in Louisiana, Maryland, New Jersey, Ontario and Virginia.

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

Communities near Blenheim ...

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

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

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

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

TripAdvisor Tourism Pages for Blenheim ...

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

Adding Blenheim to Our Gazetteer ...

We originally found mention of Blenheim 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 Blenheim was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>

X2X - From that list, the Blenheim post office opened in 1883.

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

For more details, see References and Mentions for Blenheim.

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

The official website for Marlboro County: www.marlborocounty.sc.gov/

The official website for State of South Carolina: https://sc.gov/

Footnotes ...

<1>If you're interested in how the shape of South Carolina's counties, including Marlboro, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The pronunciation we've provided is our attempt to give a phonetic pronunciation for Blenheim. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Blenheim.
<4>The elevation is an estimate for the area around Blenheim - it will be higher in some places and lower in others.
<5>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 843 code has been Overlayed with the 854 area code. New phone numbers in the Blenheim area will be assigned with one of these codes: 843 or 854. As a result, placing a call in the Blenheim area will require 10-digit dialing (where you enter both the area code and then the phone number).
<6>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 Blenheim). When looking for a ZIP Code, whether Blenheim or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<7>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.
<8>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<9>A copy of their list with background information can be found at:

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




 

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This page was last modified/updated: 26 Jul 2025