Union County, SD Housing Market
The median sale price of a home in Union County was $337K last month, up 34.5% since last year. The median sale price per square foot in Union County is $156, up 13.0% since last year.
Union County Housing Market Trends
In April 2025, Union County home prices were up 34.5% compared to last year, selling for a median price of $337K. On average, homes in Union County sell after 69 days on the market compared to 12 days last year. There were 12 homes sold in April this year, down from 16 last year.

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View houses in Union County that sold recently
Recently sold homes
- $570,000 Last Sold Price3 beds3 baths2,843 sq ft104 Teton Pines Ct, Dakota Dunes, SD 57049List Price$575,000Sale to List1% under listDays on Market49 days104 Teton Pines Ct, Dakota Dunes, SD 57049
- $263,000 Last Sold Price3 beds1 bath1,325 sq ft410 W Spruce St, Beresford, SD 57004List Price$259,000Sale to List2% over listDays on Market57 days410 W Spruce St, Beresford, SD 57004
- $475,000 Last Sold Price4 beds3 baths2,600 sq ft576 Prairie Blvd, Dakota Dunes, SD 57049List Price$475,000Sale to List0% over listDays on Market45 days576 Prairie Blvd, Dakota Dunes, SD 57049
- $115,0003 beds2 baths1,261 sq ft1921 Hanford St, Sioux City, IA 51109List Price—Sale to List—Days on Market—1921 Hanford St, Sioux City, IA 51109
- $535,000 Last Sold Price5 beds3 baths3,724 sq ft437 Riviera Cr Cir, Dakota Dunes, SD 57409List Price$549,900Sale to List3% under listDays on Market51 days437 Riviera Cr Cir, Dakota Dunes, SD 57409
- $530,000 Last Sold Price4 beds3.5 baths3,786 sq ft954 Quail Hollow Cir, Dakota Dunes, SD 57049List Price$559,000Sale to List5% under listDays on Market453 days954 Quail Hollow Cir, Dakota Dunes, SD 57049
- $952,500 Last Sold Price6 beds3.5 baths6,100 sq ft961 Quail Hollow Cir, Dakota Dunes, SD 57049List Price$1,000,000Sale to List5% under listDays on Market79 days961 Quail Hollow Cir, Dakota Dunes, SD 57049
- $695,000 Last Sold Price3 beds3.5 baths4,429 sq ft865 Crooked Tree Ln, Dakota Dunes, SD 57049List Price$725,000Sale to List4% under listDays on Market184 days865 Crooked Tree Ln, Dakota Dunes, SD 57049
See all recently sold homes in Union County.
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Schools in Union County
- Elementary
- Middle
- High
GreatSchools Rating
7/10 Alcester-Hudson Elementary - 04 Public • PreK-6 | 195 Students | 1 reviews |
6/10 Dakota Valley Upper Elementary - 04 Public • 4-5 | 232 Students | 1 reviews |
6/10 Beresford Elementary - 02 Public • K-5 | 307 Students | 3 reviews |
6/10 Ponca Elementary School Public • 3-6 | 125 Students | N/A |
5/10 Loess Hills Elementary Public • PreK-5 | 589 Students | N/A |
Climate's impact on Union County housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that could impact homes in Union County.
Flood Factor - Moderate
Flood Factor

Fire Factor - Moderate
Fire Factor

Wind Factor - Minor
Wind Factor

Heat Factor - Moderate
Heat Factor

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