In 2018, Jones County, SD had a population of 735 people with a median age of 55.9 and a median household income of $41,103. Between 2017 and 2018 the population of Jones County, SD declined from 740 to 735, a -0.676% decrease and its median household income grew from $39,432 to $41,103, a 4.24% increase.
The 5 largest ethnic groups in Jones County, SD are White (Non-Hispanic) (98.6%), American Indian & Alaska Native (Non-Hispanic) (1.36%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%). 0% of the households in Jones County, SD speak a non-English language at home as their primary language, and 99.2% of the residents in Jones County, SD are U.S. citizens.
In 2018, the median property value in Jones County, SD was $78,600, and the homeownership rate was 80.4%. Most people in Jones County, SD drove alone to work, and the average commute time was 12.3 minutes. The average car ownership in Jones County, SD was 2 cars per household.