Flood Zone Comparison
Compare key metrics between 19970 19970, DE — Zone A and 63345 63345, MO — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 19970 19970, DE — Zone A | 63345 63345, MO — Zone A |
|---|---|---|
| name | 19970 19970, DE — Zone A | 63345 63345, MO — Zone A |
| zip code | 19970 | 63345 |
| city | 19970 | 63345 |
| state | Delaware | Missouri |
| state code | DE | MO |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone A (High Risk — 100-Year Floodplain, No BFE) |
| risk level | High Risk | High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance (100-year flood) |
| insurance required | Required for federally-backed mortgages | Required for federally-backed mortgages |
| avg annual premium | 2,162 | 2,162 |
| base flood elevation | 29 ft | 6 ft |
| historical floods | 8 recorded flood events in the past 50 years. Most recent major flood: 2005 | 14 recorded flood events in the past 50 years. Most recent major flood: 2021 |
| nearest water | Lake Superior (3.7 miles) | Red River (0.5 miles) |
| elevation ft | 52 | 453 |
| population | 65,242 | 33,468 |
| median home value | 458,562 | 333,319 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $83,093 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $123,619 |
| mitigation tips | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. |
| fema map id | 9123C377J | 1125C492J |
| last updated | 2025-01-01 | 2025-01-01 |
Our team analyzes data from FEMA National Flood Hazard Layer to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.