Flood Zone Comparison
Compare key metrics between 50421 50421, IA — Zone AE and 55353 55353, MN — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 50421 50421, IA — Zone AE | 55353 55353, MN — Zone AE |
|---|---|---|
| name | 50421 50421, IA — Zone AE | 55353 55353, MN — Zone AE |
| zip code | 50421 | 55353 |
| city | 50421 | 55353 |
| state | Iowa | Minnesota |
| state code | IA | MN |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | 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 | 1,811 | 1,811 |
| base flood elevation | 16 ft | 13 ft |
| historical floods | 5 recorded flood events in the past 50 years. Most recent major flood: 2012 | 4 recorded flood events in the past 50 years. Most recent major flood: 2013 |
| nearest water | Atlantic Ocean (1.4 miles) | Red River (1.2 miles) |
| elevation ft | 1,401 | 1,767 |
| population | 20,531 | 7,079 |
| median home value | 104,535 | 605,464 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $59,863 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $115,474 |
| 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 | 2435C933J | 1485C960J |
| 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.