Lake County, SD Property & Market Data

Lake County, South Dakota has 10,196 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $80,099, and an unemployment rate of 2.4%.

Lake County at a glance

Rippleffekt tracks 10,196 parcels in Lake County, South Dakota. The figures below combine county assessor coverage with federal economic data for the county.

10,196
Parcels tracked
100%
Mapped to location
10,196 parcels
563 sq mi
Land area
18.1 per sq mi
Parcel density
$80,099
Median household income
2.4%
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 Lake County alone.

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

Go deeper on Lake 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.