Erwin, SD
Population 50 · South Dakota
About Erwin, SD
Erwin is a small community in South Dakota with a population of 50 residents. The median household income is $53,750 per year, which is near the national average. The median age in Erwin is 55.5 years.
Housing in Erwin has a median home value of $45,000 and median monthly rent of $0. Of the 26 total housing units, the majority are owner-occupied, with 18 owner-occupied and 0 renter-occupied units.
The unemployment rate in Erwin is 0.0% and the poverty rate is 6.0%. 22.0% of residents hold a bachelor's degree or higher. The average commute time is 32.8 minutes.
How Erwin Ranks in South Dakota
Cost of Living in Erwin, SD
Compared to national averages, Erwin has a median household income of $53,750 (28% below the national median of $75,149). Home values average $45,000, which is 82% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within South Dakota, Erwin's income is 17% below the state average of $64,650, and home values are 69% below the state median of $143,757.
Why Live in Erwin, SD?
Erwin offers affordable housing with a median home value of $45,000, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and a strong job market with an unemployment rate of just 0.0%. Additionally, the city features a low poverty rate of 6.0%, better than the national average.
Potential considerations include median household income ($53,750) that falls below the national average. However, Erwin’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Erwin has a population of 50 with a median age of 55.5 years. Compare Erwin with other cities to see how it stacks up, or explore all cities in South Dakota.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Erwin
What is the population of Erwin, SD?
The population of Erwin, SD is 50 according to the latest Census data.
What is the median household income in Erwin?
The median household income in Erwin, SD is $53,750 per year.
What is the median home value in Erwin?
The median home value in Erwin, SD is $45,000.
What is the average rent in Erwin?
The median monthly rent in Erwin, SD is $0.
What is the unemployment rate in Erwin?
The unemployment rate in Erwin, SD is 0.0%.