In 2023, Clark, SD had a population of 1.18k people with a median age of 55.1 and a median household income of $49,464. Between 2022 and 2023 the population of Clark, SD declined from 1,206 to 1,181, a −2.07% decrease and its median household income grew from $47,305 to $49,464, a 4.56% increase.
The 5 largest ethnic groups in Clark, SD are White (Non-Hispanic) (88.9%), Two+ (Hispanic) (9.48%), Two+ (Non-Hispanic) (0.762%), Other (Non-Hispanic) (0.508%), and American Indian & Alaska Native (Non-Hispanic) (0.169%).
None of the households in Clark, 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.
96.4% of the residents in Clark, SD are U.S. citizens.
In 2023, the median property value in Clark, SD was $125,700, and the homeownership rate was 79.2%.
Most people in Clark, SD drove alone to work, and the average commute time was 17.4 minutes. The average car ownership in Clark, SD was 2 cars per household.