Flood Zone Comparison
Compare key metrics between 20688 20688, MD — Zone AE and 34756 34756, FL — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20688 20688, MD — Zone AE | 34756 34756, FL — Zone AE |
|---|---|---|
| name | 20688 20688, MD — Zone AE | 34756 34756, FL — Zone AE |
| zip code | 20688 | 34756 |
| city | 20688 | 34756 |
| state | Maryland | Florida |
| state code | MD | FL |
| 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 | 2,755 | 2,755 |
| base flood elevation | 21 ft | 9 ft |
| historical floods | 4 recorded flood events in the past 50 years. Most recent major flood: 2021 | 8 recorded flood events in the past 50 years. Most recent major flood: 2024 |
| nearest water | Susquehanna River (3.4 miles) | Lake Huron (1.0 miles) |
| elevation ft | 786 | 48 |
| population | 35,304 | 28,284 |
| median home value | 714,690 | 482,825 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $35,969 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $45,754 |
| 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 | 2242C756J | 2629C739J |
| 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.