In 2022, Sully County, SD had a population of 1.32k people with a median age of 52.7 and a median household income of $66,875. Between 2021 and 2022 the population of Sully County, SD grew from 1,279 to 1,318, a 3.05% increase and its median household income grew from $59,688 to $66,875, a 12% increase.
The 5 largest ethnic groups in Sully County, SD are White (Non-Hispanic) (92.1%), Black or African American (Non-Hispanic) (5.46%), Two+ (Non-Hispanic) (2.43%), White (Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Sully County, 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.
94.4% of the residents in Sully County, SD are U.S. citizens.
In 2022, the median property value in Sully County, SD was $190,800, and the homeownership rate was 80.5%.
Most people in Sully County, SD drove alone to work, and the average commute time was 16.7 minutes. The average car ownership in Sully County, SD was 3 cars per household.
Sully County, SD borders Dewey County, SD, Hughes County, SD, Hyde County, SD, Potter County, SD, and Stanley County, SD.