Dudley, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Dudley, South Dakota had a total population of 8, the 425th 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%.
Dudley Quick Facts
How Dudley 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 | 9 | 8 | -11.1% |
How Dudley Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
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+)
Dudley Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Fall River County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hot Springs | 3,548 | $66,338 | 21.1% | $202,600 |
| Edgemont | 860 | $62,692 | 23.5% | $103,000 |
| Oelrichs | 198 | $73,523 | 17.7% | $71,700 |
| Angostura | 144 | $104,688 | 0.0% | $573,300 |
| Maverick Junction | 123 | N/A | 12.2% | N/A |
| Oral | 55 | N/A | 12.7% | N/A |
| Smithwick | 25 | N/A | 0.0% | N/A |
| Ardmore | 5 | N/A | 100.0% | N/A |
Cities Similar to Dudley
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kidder | 8 | N/A | N/A | 0.0% | 0.0% |
| Waverly | 7 | N/A | N/A | 0.0% | 0.0% |
| Wetonka | 7 | N/A | N/A | 40.0% | 0.0% |
| Hetland | 10 | $46,250 | $57,500 | 30.0% | 0.0% |
| Gann Valley | 6 | N/A | N/A | 0.0% | 0.0% |
A note before these figures: with a population of 8, Dudley'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
Dudley is a small community located in South Dakota, within Fall River County. The total population is 8. It ranks as the 425th 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 Dudley. 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. Every occupied housing unit the survey reached in Dudley was renter-occupied. At this sample size that indicates no owner-occupied homes were captured rather than that none exist.
Race & Ethnicity
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. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Dudley, 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 Dudley, South Dakota?
Dudley, South Dakota has a population of 8 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Dudley, SD?
The Census Bureau does not publish a reliable median household income estimate for Dudley — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Dudley, SD?
The ACS sample for Dudley 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 Dudley, South Dakota?
Dudley's population is 0.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Dudley, SD?
The Census Bureau does not publish a reliable median home value estimate for Dudley — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Dudley, South Dakota?
0.0% of adults (25+) in Dudley hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.