In 2023, McCook County, SD had a population of 5.73k people with a median age of N/A and a median household income of $80,847. Between 2022 and 2023 the population of McCook County, SD grew from 5,714 to 5,732, a 0.315% increase and its median household income grew from $74,873 to $80,847, a 7.98% increase.
The 5 largest ethnic groups in McCook County, SD are White (Non-Hispanic) (93.3%), Two+ (Non-Hispanic) (2.49%), White (Hispanic) (1.62%), American Indian & Alaska Native (Hispanic) (0.89%), and Other (Hispanic) (0.75%).
None of the households in McCook 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.
99.6% of the residents in McCook County, SD are U.S. citizens.
Most people in McCook County, SD drove alone to work, and the average commute time was 26.4 minutes. The average car ownership in McCook County, SD was 3 cars per household.
McCook County, SD borders Lake County, SD, Hanson County, SD, Hutchinson County, SD, Miner County, SD, Minnehaha County, SD, and Turner County, SD.