Rockport Colony, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Rockport Colony, South Dakota had a total population of 23, the 404th 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%.
Rockport Colony Quick Facts
How Rockport 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 | 25 | 23 | -8.0% |
How Rockport Colony Compares
Median Household Income
Median Home Value
Economy & Housing
Employment
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+)
Rockport Colony Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Hanson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Alexandria | 692 | $102,679 | 3.3% | $180,200 |
| Emery | 539 | $67,321 | 6.7% | $152,400 |
| Fulton | 84 | $56,667 | 11.9% | $154,200 |
| Millbrook Colony | 47 | N/A | 57.5% | N/A |
| Oak Lane Colony | 34 | N/A | 0.0% | N/A |
| Farmer | 31 | N/A | 0.0% | N/A |
Cities Similar to Rockport Colony
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Crocker | 22 | N/A | N/A | 0.0% | 0.0% |
| Seneca | 22 | N/A | N/A | 0.0% | 27.3% |
| Onaka | 25 | N/A | N/A | 45.5% | 100.0% |
| Smithwick | 25 | N/A | N/A | 33.3% | 0.0% |
| Dolton | 21 | $63,929 | $160,600 | 0.0% | 4.8% |
A note before these figures: with a population of 23, Rockport 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
Rockport Colony is a small community located in South Dakota, within Hanson County. The total population is 23. It ranks as the 404th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
Economy, Income & Housing
The ACS records no residents below the poverty line in Rockport 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 Rockport Colony, which reflects the size of the sample rather than a labor market without joblessness.
Race & Ethnicity
Every resident counted in Rockport 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 Rockport 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 Rockport Colony, South Dakota?
Rockport Colony, South Dakota has a population of 23 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Rockport Colony, SD?
The Census Bureau does not publish a reliable median household income estimate for Rockport Colony — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Rockport Colony, SD?
The ACS sample for Rockport 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 Rockport Colony, South Dakota?
Rockport 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 Rockport Colony, SD?
The Census Bureau does not publish a reliable median home value estimate for Rockport Colony — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Rockport Colony, South Dakota?
0.0% of adults (25+) in Rockport Colony hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.