What the Pros Know
Market Snapshot
Zip Code 57001 | Union County, SD
1,608
Population
YoY
202250.3
Median Age
YoY
2022$66,793
Median Household Income
YoY
2022$199,750
Median Sale Price
14.1% MoM
3.8% YoY
6/20254
Homes Sold
100.0% MoM
20.0% YoY
6/20251.0
Months Inventory
60% MoM
40% YoY
6/20254
Days on Market
8 MoM
110 YoY
6/20254
Listings
20.0% MoM
20.0% YoY
6/2025127
Price per Sq Ft
20.9% MoM
11.7% YoY
6/2025
See 57001 on Zillow
1. Population Data from U.S. Census Bureau.
2. Sales Data provided by Redfin, a national real estate brokerage.
MoM = Month over Month. The percentage change from the previous month to the current month.
YoY = Year over Year. The percentage change from the same period the previous year to the current period.