In 2023, Lake Preston, SD had a population of 539 people with a median age of 50 and a median household income of $60,917. Between 2022 and 2023 the population of Lake Preston, SD declined from 548 to 539, a −1.64% decrease and its median household income grew from $59,766 to $60,917, a 1.93% increase.
The 5 largest ethnic groups in Lake Preston, SD are White (Non-Hispanic) (78.1%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (8.72%), Two Races Including Other (Hispanic) (7.42%), White (Hispanic) (3.71%), and American Indian & Alaska Native (Non-Hispanic) (1.67%).
None of the households in Lake Preston, 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.
99.6% of the residents in Lake Preston, SD are U.S. citizens.
In 2023, the median property value in Lake Preston, SD was $139,100, and the homeownership rate was 66.8%.
Most people in Lake Preston, SD drove alone to work, and the average commute time was 21 minutes. The average car ownership in Lake Preston, SD was 2 cars per household.