In 2023, Selby, SD had a population of 642 people with a median age of 41.7 and a median household income of $40,882. Between 2022 and 2023 the population of Selby, SD declined from 695 to 642, a −7.63% decrease and its median household income declined from $46,750 to $40,882, a −12.6% decrease.
The 5 largest ethnic groups in Selby, SD are White (Non-Hispanic) (82.6%), Two+ (Non-Hispanic) (7.17%), American Indian & Alaska Native (Non-Hispanic) (4.05%), White (Hispanic) (2.8%), and Black or African American (Non-Hispanic) (2.34%).
None of the households in Selby, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.5% of the residents in Selby, SD are U.S. citizens.
In 2023, the median property value in Selby, SD was $104,800, and the homeownership rate was 76.3%.
Most people in Selby, SD drove alone to work, and the average commute time was 27.3 minutes. The average car ownership in Selby, SD was 2 cars per household.