In 2021, Aurora County, SD had a population of 2.65k people with a median age of 38.1 and a median household income of $64,960. Between 2020 and 2021 the population of Aurora County, SD declined from 2,757 to 2,649, a −3.92% decrease and its median household income declined from $65,132 to $64,960, a −0.264% decrease.
The 5 largest ethnic groups in Aurora County, SD are White (Non-Hispanic) (89.9%), White (Hispanic) (4.45%), American Indian & Alaska Native (Non-Hispanic) (2.49%), Black or African American (Non-Hispanic) (1.06%), and Other (Hispanic) (0.868%).
None of the households in Aurora 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.
96.6% of the residents in Aurora County, SD are U.S. citizens.
In 2021, the median property value in Aurora County, SD was $106,500, and the homeownership rate was 78.6%.
Most people in Aurora County, SD drove alone to work, and the average commute time was 17.9 minutes. The average car ownership in Aurora County, SD was 3 cars per household.