Oacoma town, South Dakota Demographics & Population 2026
As of 2026, Oacoma town, South Dakota has a total population of 505, the 146th largest city in South Dakota, with a median household income of $70,250, which is 3% lower than the state average. The poverty rate is 4.8%.
Key Takeaways
- An exceptionally low poverty rate of 4.8% — among the lowest in South Dakota.
- Housing is very affordable with a home-value-to-income ratio of just 2.4x.
Oacoma town Quick Facts
How Oacoma 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+)
Oacoma town Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Lyman County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kennebec town | 367 | $71,667 | 9.8% | $145,100 |
| Presho city | 333 | $60,227 | 10.3% | $153,000 |
| Reliance town | 196 | $53,594 | 4.1% | $90,000 |
Cities Similar to Oacoma town
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Boulder Canyon CDP | 487 | $71,846 | $510,400 | 30.4% | 0.0% |
| Herreid city | 549 | $68,611 | $87,400 | 28.5% | 2.4% |
| Irene city | 521 | $59,091 | $87,100 | 15.9% | 15.0% |
| Emery city | 475 | $62,679 | $125,000 | 26.1% | 5.1% |
| Montrose city | 514 | $86,000 | $216,700 | 25.4% | 3.7% |
Population Overview
Oacoma town is a small community located in South Dakota, within Lyman County. The total population is 505. It ranks as the 146th most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Oacoma town is 45.8 years. This is 21% higher than the state median of 37.7 years.
Economy, Income & Housing
The median household income in Oacoma town is $70,250. This is 3% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 4.8%. This is 60% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 5.2%. This is 75% higher than the state rate of 3.0%. The median home value is $165,800. Housing costs are 30% lower than the state median of $236,800. With a home-value-to-income ratio of just 2.4x, Oacoma town is one of the most affordable housing markets in the area. 79.2% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 68.6%.
Race & Ethnicity
Oacoma town has a predominantly White (non-Hispanic) population, comprising 95.6% of all residents. Hispanic or Latino residents account for 2.8%.
Education
21.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 91.3%.
Data Sources & Methodology
All demographic data for Oacoma 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 Oacoma town, South Dakota?
Oacoma town, South Dakota has a population of 505 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oacoma town, SD?
The median household income in Oacoma town is $70,250, which is 11% lower the national median of $78,538.
What is the poverty rate in Oacoma town, SD?
The poverty rate in Oacoma town is 4.8%. This means approximately 24 residents live below the federal poverty line.
What is the racial makeup of Oacoma town, South Dakota?
Oacoma town's population is 95.6% White, 0.0% Black, 2.8% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Oacoma town, SD?
The median home value in Oacoma town is $165,800. The home-value-to-income ratio is 2.4x.
How educated is Oacoma town, South Dakota?
21.3% of adults (25+) in Oacoma town hold a bachelor's degree or higher, and 5.7% hold a graduate or professional degree.