Active Listings
59
⇩ 7.8% vs 64 last year
Data as of March 2026. Source: Realtor.com.
The Union County, SD real estate market currently shows 59 active listings, with 12 pending sales. Homes are averaging 60 days on the market before going under contract.
Inventory has tightened compared to last year, with 5 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 60 days on market compared to 54 days last year.
The median listing price has risen 2.7% year-over-year, from $475,000 to $488,050.
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
North Sioux City: 57049
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.