In 2023, Groton, SD had a population of 1.79k people with a median age of 34 and a median household income of $82,083. Between 2022 and 2023 the population of Groton, SD grew from 1,688 to 1,794, a 6.28% increase and its median household income declined from $82,841 to $82,083, a −0.915% decrease.
The 5 largest ethnic groups in Groton, SD are White (Non-Hispanic) (90.6%), Other (Hispanic) (4.96%), Asian (Non-Hispanic) (2.4%), Two+ (Non-Hispanic) (1.23%), and White (Hispanic) (0.502%).
None of the households in Groton, 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.
96.6% of the residents in Groton, SD are U.S. citizens.
In 2023, the median property value in Groton, SD was $173,000, and the homeownership rate was 76.3%.
Most people in Groton, SD drove alone to work, and the average commute time was 18.9 minutes. The average car ownership in Groton, SD was 2 cars per household.