Flood Zone Comparison
Compare key metrics between 20003 20003, DC — Zone A and 64492 64492, MO — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20003 20003, DC — Zone A | 64492 64492, MO — Zone AE |
|---|---|---|
| name | 20003 20003, DC — Zone A | 64492 64492, MO — Zone AE |
| zip code | 20003 | 64492 |
| city | 20003 | 64492 |
| state | District of Columbia | Missouri |
| state code | DC | MO |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone AE (High Risk — 100-Year Floodplain) |
| 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 | 2,361 | 2,361 |
| base flood elevation | 12 ft | 18 ft |
| historical floods | 2 recorded flood events in the past 50 years. Most recent major flood: 2021 | 7 recorded flood events in the past 50 years. Most recent major flood: 2019 |
| nearest water | Connecticut River (0.2 miles) | Lake Erie (1.2 miles) |
| elevation ft | 1,773 | 1,621 |
| population | 51,769 | 8,032 |
| median home value | 234,167 | 153,584 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $107,410 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $169,027 |
| 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 | 4503C482J | 2396C394J |
| 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.