ZIP
57621
SD · County 46031 · pop 285 (population)
25.2
Opportunity Index
WEAKNational rank #31542
Why This ZIP
ZIP 57621 ranks #31542 nationally with phase WEAK. Primary driver: VACANCY. Capital opportunity score is 39.9, signal coverage 6/10 (75% data coverage, HIGH confidence).
ZIP 57621 — Historical Price + Stress Trajectory
50 years FHFA HPI · 2.3 years quarterly stress signalsloading…
Overlay:
🟡 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 46031 — ZIP 57621 highlighted
Opportunity Index 0-100 · As of — · Auto-refresh 60s
★ 0 sweet
0 buyers-market
0 ZIPs
Parent County 46031 — ZIP 57621 highlightedNational 5y🔥 top = HOT zips · ⊘ bottom = BAD · hover for values
ZIPs in Parent County 46031 — ZIP 57621 highlighted — ranked by opportunity
click any row to drill in · gold ★ = sweet spot| # | ZIP | Opp | Phase | Driver | Action | Bank Mv | Cap Rdy | Disc% | Vac% | Short | REO | Why |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No ZIPs for this county. | ||||||||||||
▲ Top 3 Bullish Signals
| Foreclosure / Delinquency | 25.0 |
| Property Stress | 14.0 |
| Vacancy | 13.6 |
▼ Top 3 Risk Signals
| Bank Institutional | 14.5 |
⚠ Missing Data
Auction / REOConstruction PressureFL Deep BonusHOA / Federal LiensListings DiscountInsurance Distress
Coverage: 75%
Confidence: HIGH
⇅ Rank
National rank#31542
PhaseWEAK
Primary driverVACANCY
Capital opp39.9
Pulse score15.4
Signal Breakdown — 10 Categories
Vacancy
13.6
Auction / REO
—
Construction Pressure
0.0
FL Deep Bonus
—
Property Stress
14.0
HOA / Federal Liens
—
Listings Discount
—
Bank Institutional
14.5
Insurance Distress
0.0
Foreclosure / Delinquency
25.0
Top-Line Metrics
Avg DOM (days)
—
Price Cut %
—%
Short-Sale Listings
—
Auction Events 90d
—
Vacancy %
13.6%
Bank Score
14.5
Insurance Score
0.0
Listings Discount
—
Benchmark vs County vs State vs National
| Tier | Pulse | FC | Ins | Disc |
|---|---|---|---|---|
| ZIP 57621 | 15.4 | 15.0 | 0.0 | — |
| County 46031 | 24.3 | 16.0 | 0.0 | 0.9 |
| SD state avg | 30.4 | 14.7 | 0.0 | 25.7 |
| National | 31.0 | 17.4 | 0.4 | 28.4 |
Related ZIPs — Same County (10)
| ZIP | Opp | Phase | Driver | Disc | Stress |
|---|---|---|---|---|---|
| 57638 | 40.2 | PEAK_OPPORTUNITY | VACANCY | 46 | 18 |
| 57633 | 34.9 | EARLY_SIGNAL | BANK_INSTITUTIONAL | — | 15 |
| 57656 | 34.6 | EARLY_SIGNAL | BANK_INSTITUTIONAL | — | 14 |
| 57601 | 33.1 | EARLY_SIGNAL | BANK_INSTITUTIONAL | — | 13 |
| 57645 | 31.4 | EARLY_SIGNAL | VACANCY | — | 18 |
| 57641 | 31.1 | EARLY_SIGNAL | VACANCY | — | 17 |
| 57657 | 30.0 | WEAK | VACANCY | — | 13 |
| 57642 | 28.0 | WEAK | VACANCY | — | 16 |
| 58568 | 27.4 | WEAK | VACANCY | — | 18 |
| 57644 | 27.1 | WEAK | VACANCY | — | 17 |
DLRadar data · last update 10/20/2026, 3:35:57 AM
API: /api/economic-pulse/zip/57621
Methodology: the opportunity index blends the pulse reading with capital opportunity. Signals from methodology.