In 2023, Custer County, SD had a population of 8.69k people with a median age of 57.2 and a median household income of $81,958. Between 2022 and 2023 the population of Custer County, SD grew from 8,515 to 8,686, a 2.01% increase and its median household income grew from $75,943 to $81,958, a 7.92% increase.
The 5 largest ethnic groups in Custer County, SD are White (Non-Hispanic) (89.9%), Two+ (Non-Hispanic) (4.54%), American Indian & Alaska Native (Non-Hispanic) (1.83%), Two+ (Hispanic) (1.72%), and White (Hispanic) (0.933%).
None of the households in Custer 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.
99.4% of the residents in Custer County, SD are U.S. citizens.
In 2023, the median property value in Custer County, SD was $327,200, and the homeownership rate was 85.6%.
Most people in Custer County, SD drove alone to work, and the average commute time was 29.1 minutes. The average car ownership in Custer County, SD was 2 cars per household.
Custer County, SD borders Fall River County, SD, Oglala Lakota County, SD, Pennington County, SD, Niobrara County, WY, and Weston County, WY.