Delmont, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Delmont, South Dakota had a total population of 183, the 244th largest city in South Dakota, with a median household income of $42,000, which is 44% lower than the state average. The poverty rate is 18.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 44% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
- Near full employment with an unemployment rate of just 1.3%.
Delmont Quick Facts
How Delmont 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 | 196 | 183 | -6.6% |
| Median household income | $43,542 | $42,000 | -3.5% |
| Median home value | $91,300 | $86,700 | -5.0% |
How Delmont 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+)
Delmont Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Douglas County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Corsica | 699 | $59,250 | 8.2% | $162,500 |
| Armour | 675 | $81,917 | 11.1% | $105,500 |
| New Holland | 4 | N/A | 0.0% | N/A |
Cities Similar to Delmont
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hecla | 182 | N/A | $47,100 | 7.2% | 2.8% |
| Okreek | 195 | N/A | N/A | 22.6% | 66.1% |
| St. Lawrence | 172 | $46,000 | $114,100 | 9.4% | 8.7% |
| Pringle | 206 | N/A | N/A | 9.4% | 4.4% |
| Horse Creek | 162 | N/A | N/A | 0.0% | 96.9% |
A note before these figures: with a population of 183, Delmont'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
Delmont is a small community located in South Dakota, within Douglas County. The total population is 183. It ranks as the 244th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Delmont is 61.2 years. This is 61% higher than the state median of 38.0 years. 16.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Delmont is $42,000. This is 44% lower than the state median of $75,081. It is also 48% lower than the national median of $80,734. The poverty rate stands at 18.0%. This is 51% higher than the state poverty rate of 11.9%. The unemployment rate is 1.3%. This is 55% lower than the state rate of 2.9%. The median home value is $86,700. Housing costs are 66% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.1x, Delmont is one of the most affordable housing markets in the area. 84.8% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 68.6%.
Race & Ethnicity
The largest racial or ethnic group in Delmont is White (non-Hispanic), making up 82.0% of the population. Hispanic or Latino residents account for 4.4%.
Education
12.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 61% 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 92.4%.
Data Sources & Methodology
All demographic data for Delmont, 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 Delmont, South Dakota?
Delmont, South Dakota has a population of 183 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Delmont, SD?
The median household income in Delmont is $42,000, which is 48% lower than the national median of $80,734.
What is the poverty rate in Delmont, SD?
The poverty rate in Delmont is 18.0%. This means approximately 33 residents live below the federal poverty line.
What is the racial makeup of Delmont, South Dakota?
Delmont's population is 82.0% White, 0.0% Black, 4.4% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Delmont, SD?
The median home value in Delmont is $86,700. The home-value-to-income ratio is 2.1x.
How educated is Delmont, South Dakota?
12.5% of adults (25+) in Delmont hold a bachelor's degree or higher, and 3.5% hold a graduate or professional degree.