Union County, SD Property & Market Data

Union County, South Dakota has 7,448 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $101,682, and an unemployment rate of 3.5%.

Union County at a glance

Rippleffekt tracks 7,448 parcels in Union County, South Dakota. The figures below combine county assessor coverage with federal economic data for the county.

7,448
Parcels tracked
100%
Mapped to location
7,448 parcels
461 sq mi
Land area
16.2 per sq mi
Parcel density
$101,682
Median household income
3.5%
Unemployment rate

South Dakota commercial real estate lending

Statewide commercial real estate lending context from FFIEC bank call reports as of 2024-12-31. This reflects the broader South Dakota lending environment, not Union County alone.

59
Banks reporting
$567.3B
Real estate loans
$100.3B
Nonresidential CRE loans

Go deeper on Union County

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Sources: county assessor records, U.S. Census ACS and SAIPE, FFIEC bank call reports, and public tax-lien records. Updated 2026-07-29.