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National Market › SD › 46105 › 57640
ZIP

57640

SD · County 46105 · pop 50 (population)

29.2
Opportunity Index
WEAK
National rank #24446
Why This ZIP

ZIP 57640 ranks #24446 nationally with phase WEAK. Primary driver: VACANCY. Capital opportunity score is 36.3, signal coverage 6/10 (75% data coverage, HIGH confidence).

ZIP 57640 — Historical Price + Stress Trajectory

50 years FHFA HPI · 2.3 years quarterly stress signalsloading…

Overlay:
-255356595125-5%3%11%19%27%35%Oct 21Oct 22Oct 23Oct 24Oct 25Oct 26HPI IndexHPI YoY %
🟡 HPI Index (left axis) = FHFA House Price Index annual values from FHFA HPI-AT-BDL ZIP5 dataset · 1975–2025 · base 100. Overlay (right axis) = quarterly stress signal blended with annual HPI YoY where available. annual + quarterly data points loaded.

Parent County 46105 — ZIP 57640 highlighted

Opportunity Index 0-100 · As of — · Auto-refresh 60s

★ 0 sweet
0 buyers-market
0 ZIPs
0255075100Signal VolumeJul 22Aug 13Sep 5Sep 27Oct 20No history yet for Parent County 46105 — ZIP 57640 highlighted — populating from hourly snapshots.
Parent County 46105 — ZIP 57640 highlightedNational 5y🔥 top = HOT zips · ⊘ bottom = BAD · hover for values

ZIPs in Parent County 46105 — ZIP 57640 highlighted — ranked by opportunity

click any row to drill in · gold ★ = sweet spot
#ZIPOppPhaseDriverActionBank MvCap RdyDisc%Vac%ShortREOWhy
No ZIPs for this county.
▲ Top 3 Bullish Signals
Foreclosure / Delinquency25.0
Vacancy21.6
Property Stress17.0
▼ Top 3 Risk Signals
Bank Institutional35.5
⚠ Missing Data
Auction / REOConstruction PressureFL Deep BonusHOA / Federal LiensListings DiscountInsurance Distress
Coverage: 75%
Confidence: HIGH
⇅ Rank
National rank#24446
PhaseWEAK
Primary driverVACANCY
Capital opp36.3
Pulse score24.4

Signal Breakdown — 10 Categories

Vacancy
21.6
Auction / REO
—
Construction Pressure
0.0
FL Deep Bonus
—
Property Stress
17.0
HOA / Federal Liens
—
Listings Discount
—
Bank Institutional
35.5
Insurance Distress
0.0
Foreclosure / Delinquency
25.0

Top-Line Metrics

Avg DOM (days)
—
Price Cut %
—%
Short-Sale Listings
—
Auction Events 90d
—
Vacancy %
21.6%
Bank Score
35.5
Insurance Score
0.0
Listings Discount
—

Benchmark vs County vs State vs National

TierPulseFCInsDisc
ZIP 5764024.417.40.0—
County 4610536.817.10.018.6
SD state avg30.414.70.025.7
National31.117.50.428.4

Related ZIPs — Same County (8)

ZIPOppPhaseDriverDiscStress
5763840.2PEAK_OPPORTUNITYVACANCY4618
5863937.2OVERHEATEDVACANCY—18
5762635.5EARLY_SIGNALVACANCY—15
5762032.4EARLY_SIGNALVACANCY—17
5765131.8EARLY_SIGNALVACANCY—17
5764930.8WEAKVACANCY—14
5775830.5WEAKVACANCY—12
5764427.1WEAKVACANCY—17

DLRadar data · last update 10/20/2026, 6:49:37 AM

API: /api/economic-pulse/zip/57640

Methodology: the opportunity index blends the pulse reading with capital opportunity. Signals from methodology.

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