In 2021, Grenville, SD had a population of 64 people with a median age of 57.4 and a median household income of N/A. Between 2020 and 2021 the population of Grenville, SD declined from 71 to 64, a −9.86% decrease and its median household income N/A from N/A to N/A, a N/A% N/A.
The 5 largest ethnic groups in Grenville, SD are White (Non-Hispanic) (100%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), Black or African American (Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in Grenville, 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 Grenville, SD are U.S. citizens.
In 2021, the median property value in Grenville, SD was $32,500, and the homeownership rate was 93.8%.
Most people in Grenville, SD drove alone to work, and the average commute time was 12.4 minutes. The average car ownership in Grenville, SD was 4 cars per household.