In 2017, Yankton County, SD had a population of 22.7k people with a median age of 42.1 and a median household income of $50,029. Between 2016 and 2017 the population of Yankton County, SD grew from 22,649 to 22,660, a 0.0486% increase and its median household income grew from $48,723 to $50,029, a 2.68% increase.
The 5 largest ethnic groups in Yankton County, SD are White (Non-Hispanic) (89.4%), White (Hispanic) (2.97%), American Indian & Alaska Native (Non-Hispanic) (2.29%), Two or More Races (Non-Hispanic) (2%), and Black or African American (Non-Hispanic) (1.81%). N/A% of the people in Yankton County, SD speak a non-English language, and 99% are U.S. citizens.
The median property value in Yankton County, SD is $140,400, and the homeownership rate is 65.3%. Most people in Yankton County, SD commute by Drove Alone, and the average commute time is 14.4 minutes. The average car ownership in Yankton County, SD is 2 cars per household.