Mountain Plains is a CDP located in Butte County South Dakota. Mountain Plains has a 2024 population of 561. Mountain Plains is currently growing at a rate of 7.68% annually and its population has increased by 42.39% since the most recent census, which recorded a population of 394 in 2020.
The average household income in Mountain Plains is $321,188 with a poverty rate of 0%. The median age in Mountain Plains is 62.6 years: 63.4 years for males, and 60.4 years for females.
According to the most recent ACS, the racial composition of Mountain Plains was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 368 | 89.32% |
| Two or more races | 26 | 6.31% |
| Asian | 18 | 4.37% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 168 | 2.45 | 100 | 0 |
| Married | 168 | 2.45 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
| Non Family | 0 | 0 | 0 | 0 |
2.45
Average Family Size
2.45
Average Household Size
100.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 13 | 3.8% |
| Associates Degree | 42 | 12.28% |
| Bachelors Degree | 146 | 42.69% |
| Graduate Degree | 6 | 1.75% |
| High School Graduate | 58 | 16.96% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 77 | 22.51% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 321 | 308 | 134 |
| Asian | 18 | 18 | 18 |
| 2+ Races | 3 | 3 | 0 |
| Hispanic | 3 | 3 | 0 |
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $69,688 | $0 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $68,947 | $0 | $82,955 |
| Some College | $0 | $0 | $0 |
$68,947
Average Earnings
$0
Average Male
$82,955
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Mountain Plains residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $166,641 | $321,188 |
| Households | $166,641 | $321,188 |
| Married Families | $166,641 | $-999,999,999 |
| Non Families | - | - |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
76.9%
Overall Marriage Rate
84.6%
Male Marriage Rate
69.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
27
Number of Veterans
14
Male Veterans
13
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 14 |
| Second Gulf War | 13 |
| First Gulf War | 13 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 14 |
| 55 to 64 | 13 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 75+ | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 27 | 7.69% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
48.15%
Veteran Disability Rate
LaborForceParticipation
65.5%
Labor Force Participation
60%
Employment Rate
8.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
40.78%
Born in Mountain Plains
92.48%
Native Born
7.52%
Foreign Born
3.16%
Non Citizen
4.37%
Naturalized
92.48% of Mountain Plains residents were born in the United States, with 40.78% having been born in South Dakota. 3.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 561 | 40 | 7.68% |
| 2023 | 521 | 40 | 8.32% |
| 2022 | 481 | 187 | 63.61% |
| 2021 | 294 | -100 | -25.38% |
| 2020 | 394 | 0 | 0% |