Flood Zone Comparison
Compare key metrics between 37643 37643, TN — Zone X-shaded and 43040 43040, OH — Zone X-shaded. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 37643 37643, TN — Zone X-shaded | 43040 43040, OH — Zone X-shaded |
|---|---|---|
| name | 37643 37643, TN — Zone X-shaded | 43040 43040, OH — Zone X-shaded |
| zip code | 37643 | 43040 |
| city | 37643 | 43040 |
| state | Tennessee | Ohio |
| state code | TN | OH |
| category | Moderate Risk | Moderate Risk |
| flood zone | Zone X-shaded (Moderate Risk — 500-Year Floodplain) | Zone X-shaded (Moderate Risk — 500-Year Floodplain) |
| risk level | Moderate Risk | Moderate Risk |
| annual flood prob | 0.2% annual chance (500-year flood) | 0.2% annual chance (500-year flood) |
| insurance required | Recommended but not required | Recommended but not required |
| avg annual premium | 793 | 793 |
| base flood elevation | N/A — not in Special Flood Hazard Area | N/A — not in Special Flood Hazard Area |
| historical floods | 4 recorded flood events in the past 50 years. Most recent major flood: 2009 | 11 recorded flood events in the past 50 years. Most recent major flood: 2012 |
| nearest water | local creek (3.4 miles) | local river (1.4 miles) |
| elevation ft | 967 | 641 |
| population | 71,240 | 77,035 |
| median home value | 623,678 | 791,730 |
| flood damage risk | 15-30% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $118,723 | 15-30% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $152,875 |
| mitigation tips | Consider purchasing flood insurance even though not required; install backflow preventers on sewer lines; grade your lot to direct water away from foundation; keep gutters and drainage clear; know your evacuation route. | Consider purchasing flood insurance even though not required; install backflow preventers on sewer lines; grade your lot to direct water away from foundation; keep gutters and drainage clear; know your evacuation route. |
| fema map id | 5336C257J | 6937C378J |
| 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.