99 counties · FEMA NRI December 2025
Iowa: home risks by county
0 of 99 Iowa counties are rated Relatively High or Very High for overall risk relative to other US counties. Sort the table to compare disaster declarations, flood-insurance claims and typical first freeze.
| County | Overall risk ↓ | Declarations | Flood claims | First freeze | Top hazard | Zone | Radon |
|---|---|---|---|---|---|---|---|
| Polk County | Relatively Moderate | 21 | 1,550 | Oct 20 | Strong wind (Very High) | 5A | 1 |
| Johnson County | Relatively Moderate | 24 | 446 | Oct 18 | Strong wind (Very High) | 5A | 1 |
| Linn County | Relatively Moderate | 23 | 1,351 | Oct 11 | Strong wind (Very High) | 5A | 1 |
| Scott County | Relatively Moderate | 20 | 2,267 | Oct 15 | Strong wind (Relatively High) | 5A | 1 |
| Woodbury County | Relatively Moderate | 18 | 294 | Oct 5 | Tornado (Relatively High) | 5A | 1 |
| Pottawattamie County | Relatively Low | 26 | 867 | Oct 21 | Hail (Relatively High) | 5A | 1 |
| Black Hawk County | Relatively Low | 20 | 1,472 | Oct 10 | Drought (Relatively High) | 6A | 1 |
| Cerro Gordo County | Relatively Low | 15 | 216 | Oct 1 | Drought (Relatively High) | 6A | 1 |
| Story County | Relatively Low | 22 | 286 | Oct 8 | Drought (Relatively High) | 5A | 1 |
| Wapello County | Relatively Low | 20 | 119 | Oct 14 | Drought (Relatively High) | 5A | 1 |
| Clinton County | Relatively Low | 22 | 180 | Oct 15 | Strong wind (Relatively High) | 5A | 1 |
| Dubuque County | Relatively Low | 21 | 252 | Oct 11 | Hail (Relatively Moderate) | 5A | 1 |
| Lee County | Relatively Low | 22 | 141 | Oct 20 | Hail (Relatively Moderate) | 5A | 1 |
| Marshall County | Relatively Low | 20 | 30 | Oct 6 | Drought (Relatively High) | 5A | 1 |
| Crawford County | Relatively Low | 23 | 88 | Oct 11 | Drought (Relatively High) | 5A | 1 |
| Dallas County | Relatively Low | 20 | 42 | Oct 20 | Drought (Relatively High) | 5A | 1 |
| Cass County | Relatively Low | 19 | 57 | Oct 2 | Drought (Relatively High) | 5A | 1 |
| Webster County | Relatively Low | 20 | 93 | Oct 8 | Drought (Relatively High) | 5A | 1 |
| Hardin County | Relatively Low | 18 | 17 | Oct 10 | Hail (Relatively High) | 5A | 1 |
| Muscatine County | Relatively Low | 21 | 355 | Oct 18 | Strong wind (Relatively High) | 5A | 1 |
| Carroll County | Relatively Low | 16 | 13 | Oct 10 | Hail (Relatively High) | 5A | 1 |
| Des Moines County | Relatively Low | 27 | 352 | Oct 20 | Strong wind (Relatively High) | 5A | 1 |
| Sioux County | Relatively Low | 15 | 43 | Oct 3 | Hail (Relatively High) | 6A | 1 |
| Fayette County | Relatively Low | 22 | 94 | Oct 4 | Drought (Relatively Moderate) | 5A | 1 |
| Davis County | Relatively Low | 17 | — | Oct 22 | Drought (Relatively High) | 5A | 1 |
| Delaware County | Relatively Low | 18 | 105 | Oct 4 | Hail (Relatively Moderate) | 5A | 1 |
| Union County | Relatively Low | 21 | 14 | Oct 11 | Drought (Relatively High) | 5A | 1 |
| Adair County | Relatively Low | 17 | — | Oct 12 | Drought (Relatively High) | 5A | 1 |
| Plymouth County | Relatively Low | 16 | 25 | Oct 4 | Hail (Relatively Moderate) | 5A | 1 |
| Floyd County | Relatively Low | 20 | 264 | Oct 6 | Drought (Relatively High) | 5A | 1 |
| Tama County | Relatively Low | 21 | 145 | Oct 6 | Drought (Relatively High) | 5A | 1 |
| Calhoun County | Relatively Low | 18 | — | Oct 10 | Drought (Relatively High) | 5A | 1 |
| Washington County | Relatively Low | 15 | 15 | Oct 18 | Strong wind (Relatively High) | 5A | 1 |
| Jasper County | Relatively Low | 19 | 37 | Oct 15 | Drought (Relatively High) | 5A | 1 |
| Hamilton County | Relatively Low | 21 | 28 | Oct 2 | Drought (Relatively High) | 5A | 1 |
| Emmet County | Very Low | 19 | 19 | Sep 30 | Drought (Relatively High) | 6A | 1 |
| Clayton County | Very Low | 27 | 212 | Oct 1 | Landslide (Relatively Moderate) | 5A | 1 |
| Wright County | Very Low | 24 | 2 | Oct 10 | Drought (Relatively High) | 5A | 1 |
| Appanoose County | Very Low | 16 | 8 | Oct 14 | Drought (Relatively High) | 5A | 1 |
| Page County | Very Low | 16 | 3 | Oct 15 | Heat wave (Relatively Moderate) | 5A | 1 |
| Buena Vista County | Very Low | 22 | 1 | Oct 13 | Hail (Relatively Moderate) | 5A | 1 |
| Audubon County | Very Low | 22 | 14 | Oct 3 | Drought (Relatively High) | 5A | 1 |
| Taylor County | Very Low | 14 | 6 | Oct 15 | Drought (Relatively High) | 5A | 1 |
| Allamakee County | Very Low | 22 | 17 | Oct 11 | Landslide (Relatively Moderate) | 5A | 1 |
| Mitchell County | Very Low | 20 | 25 | Oct 9 | Strong wind (Relatively High) | 6A | 1 |
| Clay County | Very Low | 21 | 78 | Oct 2 | Hail (Relatively Moderate) | 6A | 1 |
| Dickinson County | Very Low | 18 | 15 | Oct 2 | Winter weather (Relatively Moderate) | 6A | 1 |
| Winneshiek County | Very Low | 21 | 31 | Oct 7 | Hail (Relatively Moderate) | 5A | 1 |
| Warren County | Very Low | 18 | 24 | Oct 20 | Drought (Relatively High) | 5A | 1 |
| Jackson County | Very Low | 21 | 42 | Oct 11 | Landslide (Relatively Moderate) | 5A | 1 |
| Madison County | Very Low | 20 | 7 | Oct 20 | Drought (Relatively High) | 5A | 1 |
| Marion County | Very Low | 19 | 26 | Oct 15 | Drought (Relatively Moderate) | 5A | 1 |
| Cherokee County | Very Low | 23 | 140 | Oct 4 | Hail (Relatively Moderate) | 5A | 1 |
| Montgomery County | Very Low | 20 | 82 | Oct 13 | Drought (Relatively Moderate) | 5A | 1 |
| Van Buren County | Very Low | 16 | 53 | Oct 13 | Drought (Relatively Moderate) | 5A | 1 |
| Pocahontas County | Very Low | 22 | — | Oct 7 | Drought (Relatively High) | 5A | 1 |
| Jones County | Very Low | 22 | 122 | Oct 4 | Drought (Relatively Moderate) | 5A | 1 |
| Kossuth County | Very Low | 20 | 2 | Oct 6 | Drought (Relatively High) | 6A | 1 |
| Greene County | Very Low | 19 | 4 | Oct 9 | Drought (Relatively High) | 5A | 1 |
| Chickasaw County | Very Low | 19 | 41 | Oct 5 | Drought (Relatively Moderate) | 5A | 1 |
| Harrison County | Very Low | 24 | 192 | Oct 8 | Drought (Relatively Moderate) | 5A | 1 |
| Poweshiek County | Very Low | 15 | — | Oct 6 | Drought (Relatively High) | 5A | 1 |
| Henry County | Very Low | 16 | 1 | Oct 10 | Heat wave (Relatively Moderate) | 5A | 1 |
| Winnebago County | Very Low | 16 | 2 | Oct 7 | Drought (Relatively High) | 6A | 1 |
| Mahaska County | Very Low | 20 | 11 | Oct 14 | Drought (Relatively Moderate) | 5A | 1 |
| Lucas County | Very Low | 15 | 5 | Oct 5 | Drought (Relatively High) | 5A | 1 |
| Benton County | Very Low | 18 | 108 | Oct 11 | Drought (Relatively Moderate) | 5A | 1 |
| Hancock County | Very Low | 15 | 3 | Oct 1 | Drought (Relatively High) | 6A | 1 |
| Boone County | Very Low | 17 | 18 | Oct 8 | Drought (Relatively High) | 5A | 1 |
| Iowa County | Very Low | 23 | 36 | Oct 11 | Strong wind (Relatively Moderate) | 5A | 1 |
| Sac County | Very Low | 19 | 2 | Oct 6 | Drought (Relatively High) | 5A | 1 |
| Butler County | Very Low | 25 | 316 | Oct 10 | Drought (Relatively Moderate) | 5A | 1 |
| Jefferson County | Very Low | 12 | — | Oct 12 | Drought (Relatively Moderate) | 5A | 1 |
| Guthrie County | Very Low | 17 | 10 | Oct 3 | Drought (Relatively High) | 5A | 1 |
| Monona County | Very Low | 20 | 30 | Oct 8 | Drought (Relatively Moderate) | 5A | 1 |
| Bremer County | Very Low | 17 | 643 | Oct 10 | Drought (Relatively Moderate) | 5A | 1 |
| Humboldt County | Very Low | 22 | 39 | Oct 12 | Drought (Relatively High) | 5A | 1 |
| Buchanan County | Very Low | 25 | 375 | Oct 7 | Drought (Relatively Moderate) | 5A | 1 |
| Decatur County | Very Low | 14 | 7 | Oct 21 | Drought (Relatively High) | 5A | 1 |
| Shelby County | Very Low | 20 | 15 | Oct 9 | Drought (Relatively Moderate) | 5A | 1 |
| Wayne County | Very Low | 15 | — | Oct 19 | Drought (Relatively High) | 5A | 1 |
| Franklin County | Very Low | 22 | 2 | Oct 9 | Drought (Relatively High) | 5A | 1 |
| Keokuk County | Very Low | 19 | 3 | Oct 14 | Drought (Relatively Moderate) | 5A | 1 |
| Cedar County | Very Low | 18 | 38 | Oct 18 | Drought (Relatively Moderate) | 5A | 1 |
| Adams County | Very Low | 17 | 6 | Oct 12 | Drought (Relatively High) | 5A | 1 |
| Lyon County | Very Low | 16 | 75 | Oct 4 | Hail (Relatively Moderate) | 6A | 1 |
| Mills County | Very Low | 20 | 121 | Oct 21 | Drought (Relatively Moderate) | 5A | 1 |
| Clarke County | Very Low | 16 | — | Oct 9 | Drought (Relatively High) | 5A | 1 |
| Ida County | Very Low | 20 | 8 | Oct 12 | Hail (Relatively Moderate) | 5A | 1 |
| Louisa County | Very Low | 20 | 120 | Oct 10 | Strong wind (Relatively Moderate) | 5A | 1 |
| O'Brien County | Very Low | 15 | 4 | Oct 2 | Hail (Relatively Moderate) | 6A | 1 |
| Howard County | Very Low | 23 | 8 | Oct 1 | Drought (Relatively Moderate) | 5A | 1 |
| Palo Alto County | Very Low | 23 | 4 | Sep 30 | Drought (Relatively Moderate) | 6A | 1 |
| Fremont County | Very Low | 19 | 233 | Oct 15 | Drought (Relatively Moderate) | 5A | 1 |
| Osceola County | Very Low | 15 | 2 | Oct 3 | Hail (Relatively Moderate) | 6A | 1 |
| Ringgold County | Very Low | 20 | — | Oct 20 | Drought (Relatively High) | 5A | 1 |
| Grundy County | Very Low | 15 | 13 | Oct 6 | Drought (Relatively Moderate) | 5A | 1 |
| Monroe County | Very Low | 16 | 1 | Oct 14 | Drought (Relatively Moderate) | 5A | 1 |
| Worth County | Very Low | 16 | 5 | Oct 1 | Drought (Relatively Moderate) | 6A | 1 |
Ratings are relative to other US counties, not probabilities. Counties without a link have too little public data for a full profile.
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