Flood Zone Comparison
Compare key metrics between 21555 21555, MD — Zone AE and 52078 52078, IA — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21555 21555, MD — Zone AE | 52078 52078, IA — Zone A |
|---|---|---|
| name | 21555 21555, MD — Zone AE | 52078 52078, IA — Zone A |
| zip code | 21555 | 52078 |
| city | 21555 | 52078 |
| state | Maryland | Iowa |
| state code | MD | IA |
| 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 | 1,502 | 1,502 |
| base flood elevation | 20 ft | 8 ft |
| historical floods | 1 recorded flood events in the past 50 years. Most recent major flood: 2005 | 4 recorded flood events in the past 50 years. Most recent major flood: 2010 |
| nearest water | Pacific Ocean (1.3 miles) | Pacific Ocean (0.6 miles) |
| elevation ft | 108 | 202 |
| population | 4,094 | 2,703 |
| median home value | 736,820 | 799,096 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $62,710 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $144,654 |
| 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 | 8203C805J | 6335C180J |
| 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.