Flood Zone Comparison
Compare key metrics between 50577 50577, IA — Zone AE and 63823 63823, MO — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 50577 50577, IA — Zone AE | 63823 63823, MO — Zone A |
|---|---|---|
| name | 50577 50577, IA — Zone AE | 63823 63823, MO — Zone A |
| zip code | 50577 | 63823 |
| city | 50577 | 63823 |
| state | Iowa | Missouri |
| state code | IA | MO |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | 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 | 2,104 | 2,104 |
| base flood elevation | 25 ft | 24 ft |
| historical floods | 11 recorded flood events in the past 50 years. Most recent major flood: 2010 | 8 recorded flood events in the past 50 years. Most recent major flood: 2019 |
| nearest water | Tampa Bay (4.1 miles) | local stream (5.0 miles) |
| elevation ft | 258 | 217 |
| population | 44,333 | 73,529 |
| median home value | 678,079 | 532,889 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $134,030 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $25,172 |
| 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 | 5019C445J | 5404C225J |
| 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.