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Welcome to Keystone ...The town of Keystone is located in Pennington County<1>. Keystone was established in 1883. From the Census Estimates for 2019, Keystone has a population of 345 people<2> (see below for details). The community of Keystone is 4,360 feet [1,329 m] above sea level.<3> In other words, the altitude of Keystone is about ¾ mile [or ~1¼ km] above sea level. Time Zone: Keystone lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time Keystone lies within the (605) area code. Population Details ...Taken from the 2019 Census Estimates, Keystone had an population of 345 people. This is an increase of 2.37% since the 2010 Census (or an increase of 10.93% since the 2000 Census). At the time of the 2010 Census, Keystone had a population of 337 people. This makes Keystone the county's 11th most populous community. The population of Keystone represents 0.04% of the total population of South Dakota (which has 814,180 people), making it the state's 197th most populous community. With a 2010 count of 337 people, the population of Keystone increased 8.36% from the 2000 Census (with a count of 311 people). More information can be found on the Census Page for Keystone. Communities Also Named Keystone ...Using our Gazetteer, we found that there are 44 communities that are also named Keystone - they are located in Alabama, Arkansas, California (2), Colorado (3), Delaware, Florida, Indiana (2), Iowa, Louisiana (2), Michigan, Minnesota (2), Missouri (2), Montana, Nebraska (2), Nevada (4), North Dakota (2), Ohio (2), Oklahoma, Pennsylvania (5), Tennessee, Washington (3), West Virginia (2), Wisconsin and Wyoming. For more information, see our Tidbits & Trivia Page for Keystone. Communities near Keystone ...We have created a list of 10 communities that are near Keystone.
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 Keystone. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Keystone. Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Keystone. 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 Keystone. We also have a detailed list of newspapers that have been published in the area around Keystone. See our Newspapers Page for Keystone. TripAdvisor Tourism Pages for Keystone ...Looking for more information about Keystone? 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 Keystone, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Keystone. Adding Keystone to Our Gazetteer ...We originally found mention of Keystone 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 Keystone was on a map titled Road Map for South Dakota (from Shell Oil, 1949). For more details, see References and Mentions for Keystone. Off-the-Road Links ...Unfortunately, we don't know of a website for Keystone. If you can help, please contact us through our Feedback Page. The official website for Pennington County: www.co.pennington.sd.us/ The official website for State of South Dakota: sd.gov/ Footnotes ...
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This page was last modified/updated: 07 Apr 2024