Quinn, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Quinn, South Dakota had a total population of 48, the 376th largest town in South Dakota, with a median household income of $79,000, which is 5% higher than the state average. 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 8.1% of adults have a bachelor's degree, well below the national average of 35.7%.
Quinn Quick Facts
How Quinn 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 | 76 | 48 | -36.8% |
| Median household income | $95,795 | $79,000 | -17.5% |
How Quinn 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+)
Quinn Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Pennington County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Rapid City | 77,946 | $70,870 | 12.5% | $299,400 |
| Box Elder | 12,902 | $73,008 | 7.5% | $302,100 |
| Rapid Valley | 6,975 | $83,208 | 4.5% | $255,500 |
| Colonial Pine Hills | 2,609 | $98,696 | 0.2% | $406,500 |
| Green Valley | 1,642 | $81,582 | 1.0% | $280,300 |
| Ashland Heights | 1,105 | $57,353 | 30.7% | $219,600 |
| Hill City | 834 | $95,385 | 2.6% | $286,200 |
| Johnson Siding | 704 | $102,716 | 10.2% | $471,700 |
| Wall | 622 | $58,984 | 8.8% | $164,800 |
| New Underwood | 509 | $56,250 | 25.8% | $193,800 |
Cities Similar to Quinn
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Millbrook Colony | 47 | N/A | N/A | 0.0% | 57.5% |
| Altamont | 46 | N/A | $252,800 | 7.4% | 0.0% |
| Ward | 52 | $76,875 | $151,300 | 41.5% | 0.0% |
| Evergreen Colony | 55 | N/A | N/A | 100.0% | 100.0% |
| Oral | 55 | N/A | N/A | 63.6% | 12.7% |
A note before these figures: with a population of 48, Quinn'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
Quinn is a small community located in South Dakota, within Pennington County. The total population is 48. It ranks as the 376th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Quinn is 56.7 years. This is 49% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in Quinn is $79,000. This is 5% higher than the state median of $75,081. It is also 2% lower than the national median of $80,734. The ACS records no residents below the poverty line in Quinn. 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 Quinn, which reflects the size of the sample rather than a labor market without joblessness. 75.0% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 68.6%.
Race & Ethnicity
The largest racial or ethnic group in Quinn is White (non-Hispanic), making up 79.2% of the population. Hispanic or Latino residents account for 20.8%. The Hispanic or Latino population is significantly higher than the state average (20.8% vs 4.8%).
Education
8.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 75% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 70.3%.
Data Sources & Methodology
All demographic data for Quinn, 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.
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Frequently Asked Questions
What is the population of Quinn, South Dakota?
Quinn, South Dakota has a population of 48 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Quinn, SD?
The median household income in Quinn is $79,000, which is 2% lower than the national median of $80,734.
What is the poverty rate in Quinn, SD?
The ACS sample for Quinn 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 Quinn, South Dakota?
Quinn's population is 79.2% White, 0.0% Black, 20.8% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Quinn, SD?
The Census Bureau does not publish a reliable median home value estimate for Quinn — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Quinn, South Dakota?
8.1% of adults (25+) in Quinn hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.