RoadsideThoughts
A Gazetteer for the United States and Canada
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Welcome to Winthrop ...

So far, we found very little information about Winthrop. The little that we've found leads us believe that the community is historic.<1>

We've added Winthrop to our Gazetteer with the hope that we can develop more information. If you can help us with Winthrop, please Contact Us.


Winthrop would have been located within present day Charles County<2>.

While we don't have a date for the founding of Winthrop, you might consider that their post office opened in 1910.

While the community is gone, the present day location for Winthrop is near sea level<3>.

Time Zone: The area where Winthrop was located is in the Eastern Time Zone (EST/EDT) and observes daylight saving time

The Area Codes where Winthrop was located: 301, 227 & 240<4>

Communities Also Named Winthrop ...

Using our Gazetteer, we found that there are 15 communities that are also named Winthrop - they are located in Arkansas, California, Connecticut, Indiana, Iowa, Maine, Massachusetts, Michigan, Minnesota, Missouri, New York, North Carolina, Ontario, South Dakota and Washington.

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

Websites for Winthrop ...

Chamber of Commerce:   www.cccc-md.org/

Although we don't have any websites that are specific to Winthrop, the following might be of interest:

Communities near Winthrop ...

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

  • Manassas
    (18 miles [29 km] to the northwest)
    • Manassas is located in Manassas City (VA)
    • Jump to our Gazetteer entry for Manassas
    • Population from the 2020 Census: 40,869 people
    • Jump to TripAdvisor's Tourism page for Manassas <5>
  • La Plata
    (13 miles [20.9 km] to the east)
  • Dumfries
    (5 miles [8 km] to the west)
    • Dumfries is located in Prince William County (VA)
    • Jump to our Gazetteer entry for Dumfries
    • Population from the 2020 Census: 6,106 people
    • Jump to TripAdvisor's Tourism page for Dumfries <5>
  • Indian Head
    (5 miles [8 km] to the northeast)
  • Occoquan
    (9 miles [14.5 km] to the north)
    • Occoquan is located in Fairfax County (VA)
    • Jump to our Gazetteer entry for Occoquan
    • Population from the 2020 Census: 1,097 people
    • Jump to TripAdvisor's Tourism page for Occoquan <5>
  • Quantico
    (3 miles [4.8 km] to the southwest)
    • Quantico is located in Prince William County (VA)
    • Jump to our Gazetteer entry for Quantico
    • Population from the 2020 Census: 558 people
    • Jump to TripAdvisor's Tourism page for Quantico <5>
  • Clifton
    (17 miles [27.4 km] to the northwest)
    • Clifton is located in Fairfax County (VA)
    • Jump to our Gazetteer entry for Clifton
    • Population from the 2020 Census: 301 people
    • Jump to TripAdvisor's Tourism page for Clifton <5>
  • Port Tobacco Village
    (11 miles [17.7 km] to the east)
    • Port Tobacco Village is located in Charles County
    • Jump to our Gazetteer entry for Port Tobacco Village
    • Population from the 2020 Census: 15 people
  • Doncaster
    (4 miles [6.4 km] to the south)
    • Doncaster is located in Charles County
    • Jump to our Gazetteer entry for Doncaster
  • Marbury
    (4 miles [6.4 km] to the east)
    • Marbury is located in Charles County
    • Jump to our Gazetteer entry for Marbury

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

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

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

Adding Winthrop to Our Gazetteer ...

We originally found mention of Winthrop in the GNIS. For more information, see the Referenced GNIS Codes section on our Miscellaneous Page.

From our notes, the earliest published mention we've found (so far) for Winthrop was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Winthrop post office opened in 1910. The Winthrop post office closed in 1917.

For more details, see References and Mentions for Winthrop.

Footnotes ...

<1>We use the term 'Historic' broadly and it generally means that the community no longer exists. However, it can also mean that the community might still exist, but was significantly larger or had a more 'official' existence in the past than it does now. Unfortunately our sources of data have proven to be unreliable. If you can provide us with more specific information about Winthrop, please let us know so that we can improve our accuracy.
<2>If you're interested in how the shape of Maryland's counties, including Charles, have changed over time, we recommend the Atlas of Historical County Boundaries.
<3>The elevation is an estimate for the area around Winthrop - 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 301 code has been Overlayed with one of the following codes: 227 or 240. New phone numbers in the Winthrop area will be assigned with one of these codes: 301, 227 or 240. As a result, placing a call in the Winthrop area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>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/