Mountain Plains, SD
Population 412 · South Dakota
About Mountain Plains, SD
Mountain Plains is a small community in South Dakota with a population of 412 residents. The median household income is $166,641 per year, which is above the national average. The median age in Mountain Plains is 62.6 years.
Housing in Mountain Plains has a median home value of $606,100 and median monthly rent of $0. Of the 168 total housing units, the majority are owner-occupied, with 168 owner-occupied and 0 renter-occupied units.
The unemployment rate in Mountain Plains is 8.5% and the poverty rate is 0.0%. 44.4% of residents hold a bachelor's degree or higher. The average commute time is 17.5 minutes.
How Mountain Plains Ranks in South Dakota
Cost of Living in Mountain Plains, SD
Compared to national averages, Mountain Plains has a median household income of $166,641 (122% above the national median of $75,149). Home values average $606,100, which is 147% above the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within South Dakota, Mountain Plains's income is 158% above the state average of $64,650, and home values are 322% above the state median of $143,757.
Why Live in Mountain Plains, SD?
Mountain Plains offers a strong local economy with a median household income of $166,641, well above the national average, and rent that’s lower than the national average at $0/month, and a well-educated community where 44.4% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 0.0%, better than the national average, and short commute times averaging just 17.5 minutes.
Potential considerations include a competitive housing market where the typical home costs $606,100. However, Mountain Plains’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Mountain Plains has a population of 412 with a median age of 62.6 years. Compare Mountain Plains with other cities to see how it stacks up, or explore all cities in South Dakota.
Similar Cities Near Mountain Plains
Cities in South Dakota with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Lake Poinsett | 413 | $101,136 | $446,600 | Compare |
| Anderson | 406 | $143,705 | $372,300 | Compare |
| Bison | 419 | $62,273 | $72,300 | Compare |
| Hudson | 405 | $70,000 | $113,500 | Compare |
| Keystone | 404 | $62,159 | $188,800 | Compare |
| Langford | 402 | $74,063 | $105,800 | Compare |
| White Lake | 423 | $48,906 | $59,300 | Compare |
| Iroquois | 425 | $60,750 | $138,500 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in South Dakota
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Mountain Plains With Other Cities
Frequently Asked Questions about Mountain Plains
What is the population of Mountain Plains, SD?
The population of Mountain Plains, SD is 412 according to the latest Census data.
What is the median household income in Mountain Plains?
The median household income in Mountain Plains, SD is $166,641 per year.
What is the median home value in Mountain Plains?
The median home value in Mountain Plains, SD is $606,100.
What is the average rent in Mountain Plains?
The median monthly rent in Mountain Plains, SD is $0.
What is the unemployment rate in Mountain Plains?
The unemployment rate in Mountain Plains, SD is 8.5%.