Flood Zone Comparison
Compare key metrics between 18403 18403, PA — Zone AE and 20716 20716, MD — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 18403 18403, PA — Zone AE | 20716 20716, MD — Zone AE |
|---|---|---|
| name | 18403 18403, PA — Zone AE | 20716 20716, MD — Zone AE |
| zip code | 18403 | 20716 |
| city | 18403 | 20716 |
| state | Pennsylvania | Maryland |
| state code | PA | MD |
| 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 | 3,126 | 3,126 |
| base flood elevation | 17 ft | 23 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: 2024 |
| nearest water | Arkansas River (0.2 miles) | Ohio River (4.2 miles) |
| elevation ft | 1,807 | 176 |
| population | 52,035 | 26,338 |
| median home value | 446,196 | 503,545 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $17,378 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $82,683 |
| 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 | 1171C865J | 2442C227J |
| 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.