Flood Zone Comparison
Compare key metrics between 29831 29831, SC — Zone AE and 36420 36420, AL — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 29831 29831, SC — Zone AE | 36420 36420, AL — Zone AE |
|---|---|---|
| name | 29831 29831, SC — Zone AE | 36420 36420, AL — Zone AE |
| zip code | 29831 | 36420 |
| city | 29831 | 36420 |
| state | South Carolina | Alabama |
| state code | SC | AL |
| 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 | 2,892 | 2,892 |
| base flood elevation | 21 ft | 30 ft |
| historical floods | 10 recorded flood events in the past 50 years. Most recent major flood: 2008 | 3 recorded flood events in the past 50 years. Most recent major flood: 2006 |
| nearest water | local river (2.7 miles) | Ohio River (1.3 miles) |
| elevation ft | 1,665 | 305 |
| population | 71,744 | 75,922 |
| median home value | 385,912 | 742,131 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $145,825 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $59,379 |
| 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 | 2031C389J | 6315C778J |
| 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.