In 2023, De Smet, SD had a population of 974 people with a median age of 53.2 and a median household income of $60,139. Between 2022 and 2023 the population of De Smet, SD declined from 990 to 974, a −1.62% decrease and its median household income grew from $57,656 to $60,139, a 4.31% increase.
The 5 largest ethnic groups in De Smet, SD are White (Non-Hispanic) (96.9%), Two+ (Non-Hispanic) (3.08%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in De Smet, 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.
100% of the residents in De Smet, SD are U.S. citizens.
In 2023, the median property value in De Smet, SD was $155,900, and the homeownership rate was 79.5%.
Most people in De Smet, SD drove alone to work, and the average commute time was 11.7 minutes. The average car ownership in De Smet, SD was 2 cars per household.