Milbank, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Milbank, South Dakota had a total population of 3,525, the 23rd largest city in South Dakota, with a median household income of $56,011, which is 25% lower than the state average. The poverty rate is 13.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 1.4%.
Milbank Quick Facts
How Milbank 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 | 3,513 | 3,525 | +0.3% |
| Median household income | $58,462 | $56,011 | -4.2% |
| Median home value | $161,300 | $155,000 | -3.9% |
How Milbank 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+)
Milbank Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Grant County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Big Stone City | 706 | $63,333 | 24.9% | $151,200 |
| Revillo | 88 | $56,300 | 11.4% | N/A |
| La Bolt | 80 | $71,667 | 7.5% | $65,000 |
| Stockholm | 74 | N/A | 16.2% | $97,000 |
| Strandburg | 58 | $68,125 | 31.0% | $104,200 |
| Twin Brooks | 29 | N/A | 27.6% | $75,800 |
| Marvin | 19 | $43,125 | 15.8% | N/A |
| Albee | 4 | N/A | 25.0% | N/A |
Cities Similar to Milbank
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hot Springs | 3,548 | $66,338 | $202,600 | 28.9% | 21.1% |
| Canton | 3,033 | $60,850 | $191,400 | 16.9% | 8.1% |
| Mobridge | 2,932 | $65,357 | $136,800 | 29.4% | 18.3% |
| North Sioux City | 3,045 | $71,908 | $269,800 | 25.8% | 11.0% |
| Winner | 2,905 | $47,381 | $106,100 | 14.4% | 28.2% |
Population Overview
Milbank is a small community located in South Dakota, within Grant County. The total population is 3,525. It ranks as the 23rd most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Milbank is 50.0 years. This is 32% higher than the state median of 38.0 years. 15.9% 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 Milbank is $56,011. This is 25% lower than the state median of $75,081. It is also 31% lower than the national median of $80,734. The poverty rate stands at 13.2%. This is 11% higher than the state poverty rate of 11.9%. The unemployment rate is 1.4%. This is 51% lower than the state rate of 2.9%. The median home value is $155,000. Housing costs are 40% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.8x, Milbank is one of the most affordable housing markets in the area. 69.8% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 68.6%.
Race & Ethnicity
Milbank has a predominantly White (non-Hispanic) population, comprising 88.1% of all residents. Hispanic or Latino residents account for 10.7%. The Hispanic or Latino population is significantly higher than the state average (10.7% vs 4.8%).
Education
31.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 2% 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 93.1%.
Data Sources & Methodology
All demographic data for Milbank, 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 Milbank, South Dakota?
Milbank, South Dakota has a population of 3,525 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Milbank, SD?
The median household income in Milbank is $56,011, which is 31% lower than the national median of $80,734.
What is the poverty rate in Milbank, SD?
The poverty rate in Milbank is 13.2%. This means approximately 447 residents live below the federal poverty line.
What is the racial makeup of Milbank, South Dakota?
Milbank's population is 88.1% White, 0.0% Black, 10.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Milbank, SD?
The median home value in Milbank is $155,000. The home-value-to-income ratio is 2.8x.
How educated is Milbank, South Dakota?
31.2% of adults (25+) in Milbank hold a bachelor's degree or higher, and 10.9% hold a graduate or professional degree.