Flood Zone Comparison
Compare key metrics between 18331 18331, PA — Zone AE and 36371 36371, AL — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 18331 18331, PA — Zone AE | 36371 36371, AL — Zone A |
|---|---|---|
| name | 18331 18331, PA — Zone AE | 36371 36371, AL — Zone A |
| zip code | 18331 | 36371 |
| city | 18331 | 36371 |
| state | Pennsylvania | Alabama |
| state code | PA | AL |
| 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 | 1,574 | 1,574 |
| base flood elevation | 23 ft | 7 ft |
| historical floods | 4 recorded flood events in the past 50 years. Most recent major flood: 2021 | 12 recorded flood events in the past 50 years. Most recent major flood: 2023 |
| nearest water | Chesapeake Bay (4.2 miles) | Hudson River (4.2 miles) |
| elevation ft | 1,164 | 441 |
| population | 70,357 | 47,133 |
| median home value | 621,675 | 443,594 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $198,223 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $130,780 |
| 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 | 3220C208J | 5718C370J |
| 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.