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| Keystone, South Dakota | ||
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Keystone is a town in Pennington County, in the Rapid City metro area.
The community was named for a nearby mine
The latitude of Keystone is 43.895N. The longitude is -103.417W.
It is in the Mountain Standard time zone. Elevation is 4,331 feet.The estimated population, in 2003, was 317.
Sections below provide additional information and links about Keystone demographics, travel and tourism, nearby airports, cemeteries, the Pennington County economy, education, environment, genealogy, government, historic sites, Rapid City area jobs, libraries, maps, museums, newspapers and other media, nonprofit groups, real estate, recreation, religion, transportation, and weather in the 57751 ZIP code.

36% of Keystone residents report German ancestry, and 14% report Irish. For more info on local ancestry groups, see the Keystone ancestry & family history guide.
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At the time of the 2000 census, the per capita income in Keystone was $15,828, compared with $21,587 nationally.
14% of Keystone residents age 25 and older have a bachelor's or advanced college degree.
Dates often change. Check with local tourism officials to be sure.
Historic districts in Keystone include Mount Rushmore National Memorial ... View historic districts
Median rent in Keystone, at the time of the 2000 Census, was $370. Monthly homeowner costs, for people with mortgages, were $1,083.
Libraries in Keystone include Keystone Town Library ... View libraries
Pennington County supported George W. Bush in the 2004 presidential election. For more information, see our Keystone political report.
The average commute time for Keystone workers is 24 minutes, compared with 26 minutes nationwide.
Hotels in Keystone include Best Western Four Presidents Lodge, Econo Lodge Mount Rushmore Memorial, Holiday Inn Express, Super 8.
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