Keystone, South Dakota Keystone, South Dakota Location in Pennington County and the state of South Dakota Location in Pennington County and the state of South Dakota State South Dakota Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States.
It had its origins in 1883 as a quarrying town, and has since transformed itself into a resort town, serving the needs of the millions of visitors to Mount Rushmore National Memorial, which is positioned just beyond town/city limits.
According to the United States Enumeration Bureau, the town has a total region of 2.86 square miles (7.41 km2), all of it land. As of the census of 2010, there were 337 citizens , 153 homeholds, and 81 families residing in the town.
There were 230 housing units at an average density of 80.4 per square mile (31.0/km2).
There were 153 homeholds of which 23.5% had kids under the age of 18 living with them, 39.2% were married couples living together, 8.5% had a female homeholder with no husband present, 5.2% had a male homeholder with no wife present, and 47.1% were non-families.
34.0% of all homeholds were made up of individuals and 10.4% had someone living alone who was 65 years of age or older.
The median age in the town was 42.8 years.
22.3% of inhabitants were under the age of 18; 3.8% were between the ages of 18 and 24; 27.5% were from 25 to 44; 33.5% were from 45 to 64; and 12.8% were 65 years of age or older.
As of the census of 2000, there were 311 citizens , 152 homeholds, and 84 families residing in the town.
There were 209 housing units at an average density of 73.0 per square mile (28.2/km2).
There were 152 homeholds out of which 27.0% had kids under the age of 18 living with them, 37.5% were married couples living together, 12.5% had a female homeholder with no husband present, and 44.1% were non-families.
35.5% of all homeholds were made up of individuals and 11.8% had someone living alone who was 65 years of age or older.
In the town, the populace was spread out with 20.9% under the age of 18, 5.8% from 18 to 24, 30.9% from 25 to 44, 30.9% from 45 to 64, and 11.6% who were 65 years of age or older.
As of 2000 the median income for a homehold in the town was $26,406, and the median income for a family was $36,250.
About 13.9% of families and 16.9% of the populace were below the poverty line, including 17.9% of those under age 18 and 23.3% of those age 65 or over.
"Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2015".
Municipalities and communities of Pennington County, South Dakota, United States
Categories:
Populated places established in 1883 - Towns in South Dakota - Towns in Pennington County, South Dakota - Rapid City urbane region - Black Hills - 1883 establishments in Dakota Territory
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