Flood Zone Comparison
Compare key metrics between 18346 18346, PA — Zone A and 50074 50074, IA — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 18346 18346, PA — Zone A | 50074 50074, IA — Zone AE |
|---|---|---|
| name | 18346 18346, PA — Zone A | 50074 50074, IA — Zone AE |
| zip code | 18346 | 50074 |
| city | 18346 | 50074 |
| state | Pennsylvania | Iowa |
| state code | PA | IA |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | 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 | 2,606 | 2,606 |
| base flood elevation | 21 ft | 9 ft |
| historical floods | 5 recorded flood events in the past 50 years. Most recent major flood: 2004 | 5 recorded flood events in the past 50 years. Most recent major flood: 2021 |
| nearest water | retention pond (4.3 miles) | Lake Michigan (0.6 miles) |
| elevation ft | 961 | 1,906 |
| population | 58,122 | 52,207 |
| median home value | 671,172 | 500,936 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $166,909 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $96,413 |
| 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 | 7439C792J | 3449C493J |
| 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.