Oldham city, South Dakota Demographics & Population 2026
As of 2026, Oldham city, South Dakota has a total population of 98, the 305th largest city in South Dakota, with a median household income of $29,643, which is 59% lower than the state average. The poverty rate is 19.4%.
Key Takeaways
- Household income is 59% 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 0.0%.
Oldham city Quick Facts
How Oldham city 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+)
Oldham city Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Kingsbury County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| De Smet city | 974 | $60,139 | 5.4% | $155,900 |
| Arlington city | 833 | $67,083 | 16.7% | $122,400 |
| Lake Preston city | 539 | $60,917 | 13.7% | $139,100 |
| Iroquois city | 425 | $60,750 | 1.7% | $138,500 |
| Badger town | 164 | $68,571 | 4.9% | $72,000 |
| Erwin town | 50 | $53,750 | 6.0% | $45,000 |
| Bancroft town | 34 | $133,750 | 0.0% | N/A |
| Hetland town | 10 | $45,625 | 0.0% | $65,000 |
Cities Similar to Oldham city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| McIntosh city | 100 | N/A | $36,300 | 27.6% | 13.0% |
| Tschetter Colony CDP | 96 | N/A | N/A | 0.0% | 48.8% |
| Cottonwood town | 105 | N/A | N/A | 40.0% | 0.9% |
| Peever Flats CDP | 107 | $28,571 | N/A | 22.0% | 60.8% |
| Batesland town | 87 | N/A | $51,300 | 21.5% | 29.9% |
Population Overview
Oldham city is a small community located in South Dakota, within Kingsbury County. The total population is 98. It ranks as the 305th most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Oldham city is 59.3 years. This is 57% higher than the state median of 37.7 years. Only 13.3% of residents are under 18, indicating fewer families with children. 17.3% 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 Oldham city is $29,643. This is 59% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 62% lower. The poverty rate stands at 19.4%. This is 61% 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 $62,000. Housing costs are 74% lower than the state median of $236,800. With a home-value-to-income ratio of just 2.1x, Oldham city is one of the most affordable housing markets in the area. 81.8% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 68.6%.
Race & Ethnicity
Oldham city has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Hispanic or Latino residents account for 6.1%.
Education
23.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% 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 97.4%.
Data Sources & Methodology
All demographic data for Oldham city, 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 Oldham city, South Dakota?
Oldham city, South Dakota has a population of 98 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oldham city, SD?
The median household income in Oldham city is $29,643, which is 62% lower the national median of $78,538.
What is the poverty rate in Oldham city, SD?
The poverty rate in Oldham city is 19.4%. This means approximately 19 residents live below the federal poverty line.
What is the racial makeup of Oldham city, South Dakota?
Oldham city's population is 93.9% White, 0.0% Black, 6.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Oldham city, SD?
The median home value in Oldham city is $62,000. The home-value-to-income ratio is 2.1x.
How educated is Oldham city, South Dakota?
23.1% of adults (25+) in Oldham city hold a bachelor's degree or higher, and 3.9% hold a graduate or professional degree.