A Gazetteer for the United States and Canada
Seneca, South Dakota
Welcome to Seneca ...
The pronunciation of Seneca: SEN-eh-kuh<2>
From the Census Estimates for 2019, Seneca has a population of 37 people<3> (see below for details).
Seneca is 1,900 feet [579 m] above sea level.<4>.
Time Zone: Seneca lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Note: If you travel west from Seneca (for example, toward Marksville), you will leave Central Time and cross into the Mountain Time Zone (MST/MDT).
Seneca is within the boundaries of the (605) area code.
Population Details ...
Taken from the 2019 Census Estimates, Seneca had an population of 37 people. This is a decrease of 2.63% since the 2010 Census (or a decrease of 36.21% since the 2000 Census).
At the time of the 2010 Census, Seneca had a population of 38 people. This makes Seneca the county's 5th most populous community.
With a 2010 count of 38 people, the population of Seneca decreased 34.48% from the 2000 Census (which had a count of 58 people).
More information can be found on the Census Page for Seneca.
Communities Also Named Seneca ...
Using our Gazetteer, we have found that there are 26 communities that are also named Seneca - they are located in Arizona, California, Florida (2), Illinois, Iowa, Kansas, Maryland, Michigan (2), Mississippi, Missouri, Nebraska, New Mexico, New York, Ohio (2), Ontario, Oregon (2), Pennsylvania, South Carolina, Texas, Virginia, West Virginia and Wisconsin.
For more information, see our Tidbits & Trivia Page for Seneca.
Communities near Seneca ...
We have created a list of 10 communities that are near Seneca.
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 Seneca. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Seneca.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Seneca. 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 Seneca.
We also have a detailed list of newspapers that have been published in the area around Seneca. See our Newspapers Page for Seneca.
TripAdvisor Tourism Pages for Seneca ...
Looking for more information about Seneca? 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 Seneca, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Seneca.
Other Roadside Stops ...
Off-the-Road Links ...
Unfortunately, we don't know of a website for Seneca. If you can help, please contact us through our Feedback Page.
The official website for State of South Dakota: sd.gov/
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
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This page was last modified: 27 Oct 2020