In 2019, Brown County, SD had a population of 38.9k people with a median age of 37 and a median household income of $58,216. Between 2018 and 2019 the population of Brown County, SD grew from 38,840 to 38,915, a 0.193% increase and its median household income grew from $56,455 to $58,216, a 3.12% increase.
The 5 largest ethnic groups in Brown County, SD are White (Non-Hispanic) (87.1%), American Indian & Alaska Native (Non-Hispanic) (3.32%), Asian (Non-Hispanic) (3%), White (Hispanic) (2.22%), and Black or African American (Non-Hispanic) (2.17%). 0% of the households in Brown County, SD speak a non-English language at home as their primary language.
97.8% of the residents in Brown County, SD are U.S. citizens.
In 2019, the median property value in Brown County, SD was $166,800, and the homeownership rate was 64%. Most people in Brown County, SD drove alone to work, and the average commute time was 12.2 minutes. The average car ownership in Brown County, SD was 2 cars per household.