Taken from the 2019 Census Estimates, Sentinel had an population of 847 people. This is a decrease of 5.99% since the 2010 Census (or a decrease of 1.4% since the 2000 Census).
At the time of the 2010 Census, Sentinel had a population of 901 people (or 7.81% of the total population of Washita County). This makes Sentinel the county's 3rd most populous community.
The population of Sentinel represents 0.02% of the total population of Oklahoma (which has 3,751,351 people), making it the state's 237th most populous community.
With a 2010 count of 901 people, the population of Sentinel increased 4.89% from the 2000 Census (which had a count of 859 people).
Using our Gazetteer, we found that there are 6 communities that are also named Sentinel - they are located in Arizona, California, Kentucky, Missouri, Ohio and Virginia.
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Sentinel. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Sentinel.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Sentinel. 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 Sentinel.
We also have a detailed list of newspapers that have been published in the area around Sentinel. See our Newspapers Page for Sentinel.
TripAdvisor Tourism Pages for Sentinel ...
Looking for more information about Sentinel? 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 Sentinel, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Sentinel.
Adding Sentinel to Our Gazetteer ...
We originally found mention of Sentinel 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 Sentinel was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>
From that list, the Sentinel post office opened in 1899.
If you're interested in how the shape of Oklahoma's counties, including Washita, have changed over time, we recommend the Atlas of Historical County Boundaries.
The elevation is an estimate for the area around Sentinel - it will be higher in some places and lower in others.
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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 Sentinel). When looking for a ZIP Code, whether Sentinel or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
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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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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.
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A copy of their list with background information can be found at: