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Keystone town, Pennington County, SD

336 Population
3 square miles 111.9 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

38.1 ±7.1 Median age
  • a little less than the figure in Pennington County: 40.1 ±0.3
  • about the same as the figure in South Dakota: 38 ±0.2
  • about the same as the figure in United States: 38.9 ±0.1

Economics

$32,157 ±$12,895 Per capita income
  • about three-quarters of the amount in Pennington County: $42,302 ±$1,644
  • about 80 percent of the amount in South Dakota: $40,550 ±$520
  • about three-quarters of the amount in United States: $44,673 ±$122
$64,702 ±$11,275 Median household income
  • about 90 percent of the amount in Pennington County: $74,517 ±$2,445
  • about 90 percent of the amount in South Dakota: $75,081 ±$888
  • about 80 percent of the amount in United States: $80,734 ±$166

6.9% ±7.3% (23  ±27) Persons below poverty line
  • about three-fifths of the rate in Pennington County: 11.2% † 12,277 (±1.2% / ±1,273)
  • about three-fifths of the rate in South Dakota: 11.9% 104,798 (±0.4% / ±3,713)
  • about half the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

32.6 minutes ±12.2 (5,580  ±3,531) Mean travel time to work
  • more than 1.5 times the figure in Pennington County: 19.4 985,005 (±1.2 / ±63,759)
  • nearly double the figure in South Dakota: 17.8 7,339,145 (±0.2 / ±101,823)
  • about 25 percent higher than the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

107 ±38 Number of households
  • Pennington County: 46,370 ±532
  • South Dakota: 365,544 ±1,728
  • United States: 129,227,496 ±209,365
3.1 ±1.1 (334  ±166) Persons per household
  • about 1.3 times the figure in Pennington County: 2.4 109,726 (±0 / ±337)
  • about 1.3 times the figure in South Dakota: 2.4 875,241
  • about 25 percent higher than the figure in United States: 2.5 326,722,430

N/A Women 15-50 who gave birth during past year

Housing

232 ±76 Number of housing units
  • Pennington County: 51,681 ±155
  • South Dakota: 408,584 ±422
  • United States: 143,775,360 ±10,234

$263,900 ±$231,833 Median value of owner-occupied housing units
  • about 90 percent of the amount in Pennington County: $302,200 ±$9,091
  • a little higher than the amount in South Dakota: $257,400 ±$3,051
  • about 80 percent of the amount in United States: $332,700 ±$236

9.2% ±9.4% (31  ±35.1) Moved since previous year
  • about half the rate in Pennington County: 16.7% 18,793 (±1.5% / ±1,675.4)
  • about two-thirds of the rate in South Dakota: 13% 116,449 (±0.4% / ±3,890.1)
  • about three-quarters of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

84.7% ±45.3% (182  ±62.7) High school grad or higher
  • about 90 percent of the rate in Pennington County: 94.6% 74,883 (±2.6% / ±2,078.1)
  • about 90 percent of the rate in South Dakota: 93.2% 562,448 (±0.9% / ±5,163.6)
  • a little less than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
13.5% ±7.2% (29  ±19.4) Bachelor's degree or higher
  • about two-fifths of the rate in Pennington County: 34.6% 27,426 (±1.6% / ±1,272.3)
  • about two-fifths of the rate in South Dakota: 31.9% 192,610 (±0.5% / ±3,182.5)
  • about two-fifths of the rate in United States: 35.7% 82,363,217 (±0.1% / ±182,857.7)

N/A Persons with language other than English spoken at home

9.5% ±12.2% (32  ±44) Foreign-born population
  • more than double the rate in Pennington County: 2.5% 2,809
  • more than double the rate in South Dakota: 4% 35,988
  • about two-thirds of the rate in United States: 14.1% 47,349,080

10.1% ±3.5% (24  ±14) Population with veteran status
  • about 80 percent of the rate in Pennington County: 12.3% 10,727 (±1% / ±843)
  • about 1.3 times the rate in South Dakota: 7.9% 53,890 (±0.3% / ±1,825)
  • more than 1.5 times the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
24 Total veterans ±14 24 Male ±14 N/A Female ±10

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