Flood Zone Comparison
Compare key metrics between 38464 38464, TN — Zone AE and 57468 57468, SD — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 38464 38464, TN — Zone AE | 57468 57468, SD — Zone AE |
|---|---|---|
| name | 38464 38464, TN — Zone AE | 57468 57468, SD — Zone AE |
| zip code | 38464 | 57468 |
| city | 38464 | 57468 |
| state | Tennessee | South Dakota |
| state code | TN | SD |
| 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 | 1,120 | 1,120 |
| base flood elevation | 21 ft | 24 ft |
| historical floods | 3 recorded flood events in the past 50 years. Most recent major flood: 2017 | 3 recorded flood events in the past 50 years. Most recent major flood: 2007 |
| nearest water | Ohio River (4.3 miles) | local creek (0.1 miles) |
| elevation ft | 171 | 851 |
| population | 64,876 | 23,515 |
| median home value | 528,735 | 625,472 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $48,446 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $185,740 |
| 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 | 9004C294J | 5952C635J |
| 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.