In 2020, Lake County, SD had a population of 12.7k people with a median age of 43.8 and a median household income of $63,165. Between 2019 and 2020 the population of Lake County, SD grew from 12,717 to 12,747, a 0.236% increase and its median household income grew from $61,846 to $63,165, a 2.13% increase.
The 5 largest ethnic groups in Lake County, SD are White (Non-Hispanic) (93%), American Indian & Alaska Native (Non-Hispanic) (2.06%), Two+ (Non-Hispanic) (1.89%), Other (Hispanic) (1.37%), and Two+ (Hispanic) (0.667%).
None of the households in Lake 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.
98.5% of the residents in Lake County, SD are U.S. citizens.
The largest universities in Lake County, SD are Dakota State University (601 degrees awarded in 2020).
In 2020, the median property value in Lake County, SD was $170,300, and the homeownership rate was 73.9%.
Most people in Lake County, SD drove alone to work, and the average commute time was 17.7 minutes. The average car ownership in Lake County, SD was 2 cars per household.