Flood Zone Comparison
Compare key metrics between 28128 28128, NC — Zone A and 61873 61873, IL — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 28128 28128, NC — Zone A | 61873 61873, IL — Zone A |
|---|---|---|
| name | 28128 28128, NC — Zone A | 61873 61873, IL — Zone A |
| zip code | 28128 | 61873 |
| city | 28128 | 61873 |
| state | North Carolina | Illinois |
| state code | NC | IL |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | 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 | 2,737 | 2,737 |
| base flood elevation | 30 ft | 18 ft |
| historical floods | 7 recorded flood events in the past 50 years. Most recent major flood: 2023 | 4 recorded flood events in the past 50 years. Most recent major flood: 2004 |
| nearest water | Lake Superior (4.6 miles) | Mississippi River (2.2 miles) |
| elevation ft | 739 | 95 |
| population | 59,360 | 26,593 |
| median home value | 556,435 | 352,473 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $19,078 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $191,304 |
| 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 | 8589C520J | 1534C130J |
| 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.