Colorado natural disaster risk
Ratings for all 64 counties, the federal disaster record and flood insurance across the state.
Colorado has had 25 major federal disaster declarations for natural events since 1953. FEMA expects about $2.2 billion a year in losses from natural hazards across the state. Inland flooding is the costliest hazard in 46 of its 64 counties, followed by avalanche in 6. None is rated Very High overall. About 0.6% of homes carry federal flood insurance, and the program has paid $90.5 million on 5,567 claims here since 1978.
Lowest risk (50,000+ people)
Top hazards
Recent federal declarations
All states ›Largest counties
El Paso County
729,693 people
Inland floodingDenver County
715,210 people
Inland floodingArapahoe County
654,201 people
HailJefferson County
582,825 people
Inland floodingAdams County
519,291 people
HailLarimer County
358,792 people
Inland floodingDouglas County
357,700 people
Inland floodingBoulder County
330,652 people
Inland floodingWeld County
328,800 people
Inland floodingPueblo County
168,034 people
Inland floodingMesa County
155,647 people
Inland floodingBroomfield County
74,051 people
Inland floodingAll 64 counties
| Name | People | Overall risk | Top hazard | Declarations | Homes insured |
|---|---|---|---|---|---|
| Adams County | 519,291 | Hail | 10 | 0.2% | |
| Alamosa County | 16,357 | Inland flooding | 5 | 0.6% | |
| Arapahoe County | 654,201 | Hail | 10 | 0.3% | |
| Archuleta County | 13,356 | Inland flooding | 6 | 0.9% | |
| Baca County | 3,490 | Drought | 9 | 0% | |
| Bent County | 5,639 | Inland flooding | 7 | 0.1% | |
| Boulder County | 330,652 | Inland flooding | 17 | 2.3% | |
| Broomfield County | 74,051 | Inland flooding | 4 | 0.3% | |
| Chaffee County | 19,470 | Inland flooding | 3 | 0.7% | |
| Cheyenne County | 1,748 | Drought | 7 | 0% | |
| Clear Creek County | 9,391 | Avalanche | 7 | 1.4% | |
| Conejos County | 7,453 | Inland flooding | 5 | 0.2% | |
| Costilla County | 3,420 | Inland flooding | 8 | 0.4% | |
| Crowley County | 5,922 | Inland flooding | 10 | 0% | |
| Custer County | 4,686 | Inland flooding | 12 | 0% | |
| Delta County | 31,182 | Inland flooding | 7 | 0.2% | |
| Denver County | 715,210 | Inland flooding | 9 | 0.4% | |
| Dolores County | 2,322 | Avalanche | 7 | 0.3% | |
| Douglas County | 357,700 | Inland flooding | 11 | 0.3% | |
| Eagle County | 55,552 | Inland flooding | 7 | 1.1% | |
| El Paso County | 729,693 | Inland flooding | 18 | 0.5% | |
| Elbert County | 26,043 | Wildfire | 11 | 0.2% | |
| Fremont County | 48,877 | Inland flooding | 13 | 0.9% | |
| Garfield County | 61,566 | Inland flooding | 10 | 0.4% | |
| Gilpin County | 5,803 | Inland flooding | 6 | 0.3% | |
| Grand County | 15,695 | Inland flooding | 6 | 0.2% | |
| Gunnison County | 16,897 | Inland flooding | 7 | 1% | |
| Hinsdale County | 788 | Inland flooding | 6 | 0.7% | |
| Huerfano County | 6,808 | Inland flooding | 8 | 0.9% | |
| Jackson County | 1,355 | Avalanche | 4 | 0% | |
| Jefferson County | 582,825 | Inland flooding | 13 | 0.6% | |
| Kiowa County | 1,446 | Drought | 9 | 0% | |
| Kit Carson County | 7,070 | Cold wave | 5 | 0% | |
| La Plata County | 55,533 | Inland flooding | 8 | 1.3% | |
| Lake County | 7,405 | Avalanche | 4 | 0.2% | |
| Larimer County | 358,792 | Inland flooding | 28 | 0.6% | |
| Las Animas County | 14,491 | Inland flooding | 11 | 0.1% | |
| Lincoln County | 5,675 | Inland flooding | 8 | 0.2% | |
| Logan County | 21,526 | Inland flooding | 10 | 1.9% | |
| Mesa County | 155,647 | Inland flooding | 6 | 0.3% | |
| Mineral County | 863 | Avalanche | 6 | 0% | |
| Moffat County | 13,270 | Inland flooding | 4 | 0.3% | |
| Montezuma County | 25,806 | Inland flooding | 6 | 0.4% | |
| Montrose County | 42,636 | Inland flooding | 7 | 0.4% | |
| Morgan County | 29,096 | Inland flooding | 10 | 0.7% | |
| Otero County | 18,678 | Inland flooding | 7 | 0.4% | |
| Ouray County | 4,859 | Inland flooding | 8 | 0.7% | |
| Park County | 17,300 | Wildfire | 10 | 0.2% | |
| Phillips County | 4,523 | Drought | 4 | 0.2% | |
| Pitkin County | 17,292 | Inland flooding | 4 | 1.6% | |
| Prowers County | 11,979 | Inland flooding | 7 | 0.3% | |
| Pueblo County | 168,034 | Inland flooding | 18 | 0.2% | |
| Rio Blanco County | 6,520 | Inland flooding | 5 | 0.4% | |
| Rio Grande County | 11,498 | Inland flooding | 7 | 1.5% | |
| Routt County | 24,767 | Inland flooding | 4 | 1.1% | |
| Saguache County | 6,323 | Inland flooding | 7 | 0.1% | |
| San Juan County | 699 | Avalanche | 4 | 0.4% | |
| San Miguel County | 8,002 | Inland flooding | 7 | 2.7% | |
| Sedgwick County | 2,395 | Drought | 7 | 0.1% | |
| Summit County | 31,040 | Inland flooding | 4 | 0.9% | |
| Teller County | 24,661 | Wildfire | 11 | 0.3% | |
| Washington County | 4,806 | Inland flooding | 11 | 0% | |
| Weld County | 328,800 | Inland flooding | 14 | 0.3% | |
| Yuma County | 9,960 | Cold wave | 5 | 0.1% |
Linked names have a full page. Overall risk from the FEMA National Risk Index (December 2025); declarations are federal disaster and emergency declarations for natural events since 1953 (OpenFEMA); homes insured is the share with NFIP flood policies.