Active Listings
81
⇩ 3.6% vs 84 last year
Data as of June 2026. Source: Realtor.com.
The Union County, SD real estate market currently shows 81 active listings, with 15 pending sales. Homes are averaging 51 days on the market before going under contract.
Inventory has tightened compared to last year, with 3 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 51 days on market compared to 60 days last year.
The median listing price has fallen 0.5% year-over-year, from $469,900 to $467,694.
Whether you are buying or selling in Union County, SD, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
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.