United States › South Dakota › Mountain Plains CITY · 2020 ACS
Mountain Plains South Dakota · 327 residents · 1.60 sq mi
Time machine
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The short version
Mountain Plains is home to 327 people in South Dakota. At a median age of 54.8, this is an older place than the country as a whole. 69% of adults hold a bachelor's degree, against 33% nationally. Owners hold 91% of the housing stock. Households here earn about 71% more than in South Dakota as a whole. Median home value sits at $452,700.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 54.8
US median: 38.8
More educated
69% hold a bachelor's degree
US average: 33%
More affordable
home values down 6%, inflation adjusted
US median home: $265,253
Section 01
Population & growth vs 61.4 in 2021
US average: 38.8
Population, 2020 – 2024
275 331 388 444 500 2020 2024 Mountain Plains Age distribution, 2020
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Section 02
Income & economy $102,569
−2%inflation adjusted, since 2021
vs $109,342 in 2021
US average: $66,278
vs $84,284 in 2021
US average: $35,364
Households earning $100K+
vs 73.8% in 2021
US average: 43.9%
vs 0.0% in 2021
US average: 12.8%
Workforce by industry, 2020
Public administration 15.7%
Agriculture, forestry, fishing 0%
Transportation & warehousing 0%
Professional, scientific, technical 0%
Education & health services 0%
Arts, entertainment, food 0%
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$452,700
−6%inflation adjusted, since 2021
vs $503,800 in 2021
US average: $265,253
vs 100.0% in 2021
8.6% rent
vs 2.26 people in 2021
US average: 2.61
vs 4.6 in 2021
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2021
White, non-Hispanic 99.7%(293)
2020
White, non-Hispanic 93.6%(306)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry vs 61.2% in 2021
US average: 32.9%
High school or higher
vs 96.9% in 2021
US average: 88.5%
vs 16.5% in 2021
US average: 12.7%
Section 06
Commute & transportation vs 18.0 min in 2021
US average: 26.9
vs 85.5% in 2021
US average: 75.1%
vs 0.0% in 2021
US average: 8.4%
Section 07
Work & employment vs 0.0% in 2021
US average: 5.4%
vs 70.9% in 2021
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
vs 36.0% in 2021
US average: 39.3%
Section 08
People & community vs 2.7% in 2021
US average: 13.5%
vs 16.7% in 2021
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage vs 16.7% in 2021
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 29.4%(15)
Gulf War (1990s) 29.4%(15)
Share of the 51 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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MOUNTAIN PLAINS VS
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Frequently asked
How many people live in Mountain Plains, South Dakota? Mountain Plains, South Dakota has about 327 residents according to the 2020 American Community Survey.
What is the median household income in Mountain Plains, South Dakota? The typical household in Mountain Plains, South Dakota earns about $102,569 a year. Half of households make more than that, and half make less.
Is Mountain Plains, South Dakota expensive? In Mountain Plains, South Dakota, the median home is worth about $452,700.
How educated are people in Mountain Plains, South Dakota? About 69.5% of adults age 25 and over in Mountain Plains, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Mountain Plains, South Dakota? About 0.0% of people in Mountain Plains, South Dakota live below the federal poverty line.
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