Grassland Colony, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Grassland Colony, South Dakota had a total population of 15, the 416th largest community in South Dakota. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
Grassland Colony Quick Facts
How Grassland Colony Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 36 | 15 | -58.3% |
How Grassland Colony Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 61
Education
Educational Attainment (Adults 25+)
Grassland Colony Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in McPherson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Eureka | 778 | $47,583 | 15.2% | $78,200 |
| Leola | 381 | $71,250 | 6.3% | $65,400 |
| Spring Creek Colony | 209 | N/A | 60.9% | N/A |
| Long Lake | 14 | $61,042 | 7.1% | $43,300 |
| Wetonka | 7 | N/A | 0.0% | N/A |
Cities Similar to Grassland Colony
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Broadland | 15 | $87,250 | $56,400 | 0.0% | 0.0% |
| Aurora Center | 16 | N/A | N/A | 31.3% | 0.0% |
| Bancroft | 16 | N/A | N/A | 0.0% | 0.0% |
| Long Lake | 14 | $61,042 | $43,300 | 0.0% | 7.1% |
| Hutterville Colony | 13 | N/A | N/A | 0.0% | 100.0% |
A note before these figures: with a population of 15, Grassland Colony's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Grassland Colony is a small community located in South Dakota, within McPherson County. The total population is 15. It ranks as the 416th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Grassland Colony is 45.3 years. This is 19% higher than the state median of 38.0 years.
Economy, Income & Housing
The ACS records no residents below the poverty line in Grassland Colony. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Grassland Colony, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 46% higher than the state average of 68.6%.
Race & Ethnicity
Every resident counted in Grassland Colony was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 0.0%.
Data Sources & Methodology
All demographic data for Grassland Colony, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all South Dakota city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Grassland Colony, South Dakota?
Grassland Colony, South Dakota has a population of 15 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Grassland Colony, SD?
The Census Bureau does not publish a reliable median household income estimate for Grassland Colony — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Grassland Colony, SD?
The ACS sample for Grassland Colony recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Grassland Colony, South Dakota?
Grassland Colony's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Grassland Colony, SD?
The Census Bureau does not publish a reliable median home value estimate for Grassland Colony — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Grassland Colony, South Dakota?
0.0% of adults (25+) in Grassland Colony hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.