Active Listings
75
⇧ 5.6% vs 71 last year
Data as of April 2026. Source: Realtor.com.
The Union County, SD real estate market currently shows 75 active listings, with 14 pending sales. Homes are averaging 37 days on the market before going under contract.
Inventory has increased compared to last year, with 4 more homes available — giving buyers more choice.
Homes are selling faster, averaging 37 days on market compared to 52 days last year.
The median listing price has risen 3.3% year-over-year, from $468,675 to $484,375.
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.