Lowest counties for natural disaster risk in Iowa
Top 25 of 99 counties with data.
Ranked by natural disaster risk (FEMA National Risk Index, 2024), lowest first.
| Rank | County | Value |
|---|---|---|
| 1 | Black Hawk | 41.4 |
| 2 | Story | 45.0 |
| 3 | Linn | 45.6 |
| 4 | Webster | 48.5 |
| 5 | Dubuque | 49.2 |
| 6 | Palo Alto | 49.3 |
| 7 | Scott | 49.4 |
| 8 | Worth | 50.5 |
| 9 | Polk | 50.5 |
| 10 | Kossuth | 52.1 |
| 11 | Pottawattamie | 52.4 |
| 12 | Hancock | 52.6 |
| 13 | Humboldt | 54.0 |
| 14 | Buena Vista | 54.9 |
| 15 | Grundy | 54.9 |
| 16 | Boone | 55.6 |
| 17 | Bremer | 55.9 |
| 18 | Pocahontas | 55.9 |
| 19 | Woodbury | 56.1 |
| 20 | Greene | 56.5 |
| 21 | Emmet | 56.5 |
| 22 | Winnebago | 56.9 |
| 23 | Marshall | 57.5 |
| 24 | Cerro Gordo | 58.4 |
| 25 | Wright | 58.4 |
How this ranking works
This page ranks Iowa counties by natural disaster risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.
For natural disaster risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh natural disaster risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.
Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of natural disaster risk.