In 2021, Sanborn County, SD had a population of 2.37k people with a median age of 37.5 and a median household income of $58,409. Between 2020 and 2021 the population of Sanborn County, SD declined from 2,372 to 2,371, a −0.0422% decrease and its median household income grew from $55,398 to $58,409, a 5.44% increase.
The 5 largest ethnic groups in Sanborn County, SD are White (Non-Hispanic) (94.3%), Other (Hispanic) (1.94%), White (Hispanic) (1.69%), Two+ (Non-Hispanic) (0.886%), and American Indian & Alaska Native (Non-Hispanic) (0.38%).
None of the households in Sanborn 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.
99.2% of the residents in Sanborn County, SD are U.S. citizens.
In 2021, the median property value in Sanborn County, SD was $108,100, and the homeownership rate was 74.3%.
Most people in Sanborn County, SD drove alone to work, and the average commute time was 20.8 minutes. The average car ownership in Sanborn County, SD was 2 cars per household.
Sanborn County, SD borders Aurora County, SD, Beadle County, SD, Davison County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, and Miner County, SD.