In 2023, Mellette County, SD had a population of 2.04k people with a median age of 31 and a median household income of $51,364. Between 2022 and 2023 the population of Mellette County, SD grew from 1,989 to 2,043, a 2.71% increase and its median household income grew from $41,397 to $51,364, a 24.1% increase.
The 5 largest ethnic groups in Mellette County, SD are American Indian & Alaska Native (Non-Hispanic) (61.7%), White (Non-Hispanic) (31.6%), Two+ (Non-Hispanic) (5.53%), American Indian & Alaska Native (Hispanic) (0.343%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.294%).
None of the households in Mellette 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.
100% of the residents in Mellette County, SD are U.S. citizens.
In 2023, the median property value in Mellette County, SD was $63,000, and the homeownership rate was 59.9%.
Most people in Mellette County, SD drove alone to work, and the average commute time was 15.8 minutes. The average car ownership in Mellette County, SD was 3 cars per household.
Mellette County, SD borders Bennett County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, Todd County, SD, and Tripp County, SD.