Data as of September 2026. Source: Realtor.com.
The Union County, SD real estate market currently shows 90 active listings, with 16 pending sales. Homes are averaging 55 days on the market before going under contract.
Inventory has increased compared to last year, with 6 more homes available — giving buyers more choice.
Homes are selling faster, averaging 55 days on market compared to 74 days last year.
The median listing price has fallen 11.3% year-over-year, from $507,450 to $449,950.
Population: 13,909 · Density: 119.1/mi² · Median household income: $85,183
Typical home value: $306,806 · Homeownership: 70.3%
Alcester: 57001
Elk Point: 57025
Jefferson: 57038
McCook Lake: 57049
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.