In 2018, Aurora County, SD had a population of 2.76k people with a median age of 38.3 and a median household income of $59,293. Between 2017 and 2018 the population of Aurora County, SD grew from 2,739 to 2,759, a 0.73% increase and its median household income grew from $57,257 to $59,293, a 3.56% increase.
The 5 largest ethnic groups in Aurora County, SD are White (Non-Hispanic) (88.2%), White (Hispanic) (3.88%), American Indian & Alaska Native (Non-Hispanic) (2.79%), Other (Hispanic) (2.21%), and Black or African American (Non-Hispanic) (1.12%). 0% of the households in Aurora County, SD speak a non-English language at home as their primary language, and 96.3% of the residents in Aurora County, SD are U.S. citizens.
In 2018, the median property value in Aurora County, SD was $78,300, and the homeownership rate was 75%. Most people in Aurora County, SD drove alone to work, and the average commute time was 15.5 minutes. The average car ownership in Aurora County, SD was 2 cars per household.