In 2020, Aurora County, SD had a population of 2.76k people with a median age of 38.8 and a median household income of $65,132. Between 2019 and 2020 the population of Aurora County, SD declined from 2,763 to 2,757, a −0.217% decrease and its median household income grew from $64,083 to $65,132, a 1.64% increase.
The 5 largest ethnic groups in Aurora County, SD are White (Non-Hispanic) (88.5%), White (Hispanic) (4.13%), American Indian & Alaska Native (Non-Hispanic) (2.39%), Black or African American (Non-Hispanic) (1.85%), and Other (Hispanic) (1.56%).
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.
96.3% of the residents in Aurora County, SD are U.S. citizens.
In 2020, the median property value in Aurora County, SD was $86,600, and the homeownership rate was 81.6%. Most people in Aurora County, SD drove alone to work, and the average commute time was 17.1 minutes. The average car ownership in Aurora County, SD was 3 cars per household.