Seneca town, South Dakota Demographics & Population 2026
As of 2026, Seneca town, South Dakota has a total population of 26, the 402nd largest city in South Dakota, with a median household income of $40,750, which is 44% lower than the state average. The poverty rate is 19.2%.
Key Takeaways
- Household income is 44% below the state average, indicating significant economic challenges.
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.0%.
- Housing is very affordable with a home-value-to-income ratio of just 0.7x.
- Near full employment with an unemployment rate of just 0.0%.
Seneca town Quick Facts
How Seneca town Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
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: 33 | National average: 60
Education
Educational Attainment (Adults 25+)
Seneca town Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Faulk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Faulkton city | 627 | $68,672 | 7.9% | $100,000 |
| Cresbard town | 110 | $45,625 | 10.9% | N/A |
| Chelsea town | 57 | $158,542 | 0.0% | N/A |
| Sherman town | 55 | $46,875 | 3.6% | $91,000 |
| Orient town | 54 | $41,389 | 16.7% | $38,800 |
| Rockham town | 27 | N/A | 0.0% | N/A |
| Onaka town | 23 | N/A | 100.0% | N/A |
Cities Similar to Seneca town
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rockham town | 27 | N/A | N/A | 14.3% | 0.0% |
| Rockport Colony CDP | 25 | N/A | N/A | 0.0% | 0.0% |
| Crocker CDP | 24 | N/A | N/A | 0.0% | 0.0% |
| Caputa CDP | 29 | N/A | N/A | 0.0% | 0.0% |
| Mansfield CDP | 29 | N/A | $95,000 | 0.0% | 0.0% |
Population Overview
Seneca town is a small community located in South Dakota, within Faulk County. The total population is 26. It ranks as the 402nd most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Seneca town is 62.8 years. This is 67% higher than the state median of 37.7 years. Only 0.0% of residents are under 18, indicating fewer families with children. 19.2% 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 Seneca town is $40,750. This is 44% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 48% lower. The poverty rate stands at 19.2%. This is 60% higher than the state poverty rate of 12.0%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. The median home value is $28,500. Housing costs are 88% lower than the state median of $236,800. With a home-value-to-income ratio of just 0.7x, Seneca town is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 46% higher than the state average of 68.6%.
Race & Ethnicity
Seneca town has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.
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. This is 100% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.6%.
Data Sources & Methodology
All demographic data for Seneca town, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Seneca town, South Dakota?
Seneca town, South Dakota has a population of 26 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Seneca town, SD?
The median household income in Seneca town is $40,750, which is 48% lower the national median of $78,538.
What is the poverty rate in Seneca town, SD?
The poverty rate in Seneca town is 19.2%. This means approximately 5 residents live below the federal poverty line.
What is the racial makeup of Seneca town, South Dakota?
Seneca town's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Seneca town, SD?
The median home value in Seneca town is $28,500. The home-value-to-income ratio is 0.7x.
How educated is Seneca town, South Dakota?
0.0% of adults (25+) in Seneca town hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.