In 2019, Walworth County, SD had a population of 5.46k people with a median age of 42.8 and a median household income of $55,583. Between 2018 and 2019 the population of Walworth County, SD declined from 5,510 to 5,457, a −0.962% decrease and its median household income grew from $52,123 to $55,583, a 6.64% increase.
The 5 largest ethnic groups in Walworth County, SD are White (Non-Hispanic) (79.1%), American Indian & Alaska Native (Non-Hispanic) (10.4%), Black or African American (Non-Hispanic) (5.04%), Two+ (Non-Hispanic) (3.3%), and White (Hispanic) (1.03%). 0% of the households in Walworth County, SD speak a non-English language at home as their primary language.
99.4% of the residents in Walworth County, SD are U.S. citizens.
In 2019, the median property value in Walworth County, SD was $88,200, and the homeownership rate was 73.9%. Most people in Walworth County, SD drove alone to work, and the average commute time was 13.3 minutes. The average car ownership in Walworth County, SD was 2 cars per household.