Selby, SD
Population 642 · South Dakota
About Selby, SD
Selby is a small community in South Dakota with a population of 642 residents. The median household income is $40,882 per year, which is below the national average. The median age in Selby is 41.7 years.
Housing in Selby has a median home value of $104,800 and median monthly rent of $532. Of the 270 total housing units, the majority are owner-occupied, with 177 owner-occupied and 55 renter-occupied units.
The unemployment rate in Selby is 10.1% and the poverty rate is 6.8%. 13.6% of residents hold a bachelor's degree or higher. The average commute time is 27.3 minutes.
How Selby Ranks in South Dakota
Cost of Living in Selby, SD
Compared to national averages, Selby has a median household income of $40,882 (46% below the national median of $75,149). Home values average $104,800, which is 57% below the national median. Monthly rent at $532 is 54% below the US average of $1,163. Within South Dakota, Selby's income is 37% below the state average of $64,650, and home values are 27% below the state median of $143,757.
Why Live in Selby, SD?
Selby offers affordable housing with a median home value of $104,800, below the US average of $244,900, and rent that’s lower than the national average at $532/month, and a low poverty rate of 6.8%, better than the national average.
Potential considerations include median household income ($40,882) that falls below the national average. However, Selby’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Selby has a population of 642 with a median age of 41.7 years. Compare Selby 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 Selby
What is the population of Selby, SD?
The population of Selby, SD is 642 according to the latest Census data.
What is the median household income in Selby?
The median household income in Selby, SD is $40,882 per year.
What is the median home value in Selby?
The median home value in Selby, SD is $104,800.
What is the average rent in Selby?
The median monthly rent in Selby, SD is $532.
What is the unemployment rate in Selby?
The unemployment rate in Selby, SD is 10.1%.