In 2023, Bennett County, SD had a population of 3.35k people with a median age of 28.8 and a median household income of $44,569. Between 2022 and 2023 the population of Bennett County, SD declined from 3,391 to 3,354, a −1.09% decrease and its median household income declined from $44,821 to $44,569, a −0.562% decrease.
The 5 largest ethnic groups in Bennett County, SD are American Indian & Alaska Native (Non-Hispanic) (55.7%), White (Non-Hispanic) (35.5%), Two+ (Non-Hispanic) (2.36%), American Indian & Alaska Native (Hispanic) (1.85%), and White (Hispanic) (1.82%).
None of the households in Bennett 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.
98.8% of the residents in Bennett County, SD are U.S. citizens.
In 2023, the median property value in Bennett County, SD was $138,600, and the homeownership rate was 57.7%.
Most people in Bennett County, SD drove alone to work, and the average commute time was 13 minutes. The average car ownership in Bennett County, SD was 2 cars per household.
Bennett County, SD borders Cherry County, NE, Jackson County, SD, Mellette County, SD, Oglala Lakota County, SD, and Todd County, SD.