Flood Zone Comparison
Compare key metrics between 20879 20879, MD — Zone AE and 37217 37217, TN — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20879 20879, MD — Zone AE | 37217 37217, TN — Zone AE |
|---|---|---|
| name | 20879 20879, MD — Zone AE | 37217 37217, TN — Zone AE |
| zip code | 20879 | 37217 |
| city | 20879 | 37217 |
| state | Maryland | Tennessee |
| state code | MD | TN |
| 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 | 3,137 | 3,138 |
| base flood elevation | 19 ft | 29 ft |
| historical floods | 10 recorded flood events in the past 50 years. Most recent major flood: 2005 | 11 recorded flood events in the past 50 years. Most recent major flood: 2004 |
| nearest water | Lake Erie (2.8 miles) | Lake Michigan (1.1 miles) |
| elevation ft | 384 | 344 |
| population | 52,774 | 605 |
| median home value | 454,509 | 193,700 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $21,502 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $51,903 |
| 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 | 4015C776J | 8542C534J |
| 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.