In 2022, Union County, SD had a population of 16.7k people with a median age of 40.1 and a median household income of $82,036. Between 2021 and 2022 the population of Union County, SD grew from 16,424 to 16,700, a 1.68% increase and its median household income grew from $80,238 to $82,036, a 2.24% increase.
The 5 largest ethnic groups in Union County, SD are White (Non-Hispanic) (89.2%), Two+ (Non-Hispanic) (3.18%), White (Hispanic) (1.83%), Asian (Non-Hispanic) (1.7%), and Two+ (Hispanic) (1.44%).
None of the households in Union 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.
98.6% of the residents in Union County, SD are U.S. citizens.
In 2022, the median property value in Union County, SD was $254,900, and the homeownership rate was 70%.
Most people in Union County, SD drove alone to work, and the average commute time was 18.8 minutes. The average car ownership in Union County, SD was 2 cars per household.
Union County, SD borders Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Clay County, SD, and Lincoln County, SD.