Puerto Rico Natural Disaster Risk by County
FEMA National Risk Index rankings for all 78 counties
Counties
78
All ranked by NRI score
State Avg. Score
0.0
Very Low risk
Total State EAL
$3.19B
Expected annual losses
Highest Risk
Adjuntas
Score 0.0 · Very Low
Puerto Rico spans 78 counties with an average FEMA National Risk Index score of 0.0 (very low risk) and roughly $3.19B in combined expected annual loss statewide. No county in the state reaches the High risk band.
Topping the rankings is Adjuntas Municipio (score 0.0, very low), while Yauco Municipio (score 0.0) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.
County Rankings
| # | County | Risk Score | Risk Rating | Top Hazard | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Adjuntas Municipio | Very Low | Avalanche | $20M | |
| 2 | Aguada Municipio | Very Low | Avalanche | $38M | |
| 3 | Aguadilla Municipio | Very Low | Avalanche | $63M | |
| 4 | Aguas Buenas Municipio | Very Low | Avalanche | $20M | |
| 5 | Aibonito Municipio | Very Low | Avalanche | $19M | |
| 6 | Añasco Municipio | Very Low | Avalanche | $25M | |
| 7 | Arecibo Municipio | Very Low | Avalanche | $106M | |
| 8 | Arroyo Municipio | Very Low | Avalanche | $12M | |
| 9 | Barceloneta Municipio | Very Low | Avalanche | $41M | |
| 10 | Barranquitas Municipio | Very Low | Avalanche | $25M | |
| 11 | Bayamón Municipio | Very Low | Avalanche | $167M | |
| 12 | Cabo Rojo Municipio | Very Low | Avalanche | $40M | |
| 13 | Caguas Municipio | Very Low | Avalanche | $113M | |
| 14 | Camuy Municipio | Very Low | Avalanche | $33M | |
| 15 | Canóvanas Municipio | Very Low | Avalanche | $31M | |
| 16 | Carolina Municipio | Very Low | Avalanche | $154M | |
| 17 | Cataño Municipio | Very Low | Avalanche | $28M | |
| 18 | Cayey Municipio | Very Low | Avalanche | $30M | |
| 19 | Ceiba Municipio | Very Low | Avalanche | $12M | |
| 20 | Ciales Municipio | Very Low | Avalanche | $16M | |
| 21 | Cidra Municipio | Very Low | Avalanche | $32M | |
| 22 | Coamo Municipio | Very Low | Avalanche | $24M | |
| 23 | Comerío Municipio | Very Low | Avalanche | $15M | |
| 24 | Corozal Municipio | Very Low | Avalanche | $32M | |
| 25 | Culebra Municipio | Very Low | Avalanche | $1M | |
| 26 | Dorado Municipio | Very Low | Avalanche | $39M | |
| 27 | Fajardo Municipio | Very Low | Avalanche | $32M | |
| 28 | Florida Municipio | Very Low | Avalanche | $8M | |
| 29 | Guánica Municipio | Very Low | Avalanche | $12M | |
| 30 | Guayama Municipio | Very Low | Avalanche | $33M | |
| 31 | Guayanilla Municipio | Very Low | Avalanche | $14M | |
| 32 | Guaynabo Municipio | Very Low | Avalanche | $91M | |
| 33 | Gurabo Municipio | Very Low | Avalanche | $31M | |
| 34 | Hatillo Municipio | Very Low | Avalanche | $83M | |
| 35 | Hormigueros Municipio | Very Low | Avalanche | $14M | |
| 36 | Humacao Municipio | Very Low | Avalanche | $52M | |
| 37 | Isabela Municipio | Very Low | Avalanche | $37M | |
| 38 | Jayuya Municipio | Very Low | Avalanche | $21M | |
| 39 | Juana Díaz Municipio | Very Low | Avalanche | $29M | |
| 40 | Juncos Municipio | Very Low | Avalanche | $27M | |
| 41 | Lajas Municipio | Very Low | Avalanche | $16M | |
| 42 | Lares Municipio | Very Low | Avalanche | $27M | |
| 43 | Las Marías Municipio | Very Low | Avalanche | $13M | |
| 44 | Las Piedras Municipio | Very Low | Avalanche | $29M | |
| 45 | Loíza Municipio | Very Low | Avalanche | $22M | |
| 46 | Luquillo Municipio | Very Low | Avalanche | $16M | |
| 47 | Manatí Municipio | Very Low | Avalanche | $36M | |
| 48 | Maricao Municipio | Very Low | Avalanche | $16M | |
| 49 | Maunabo Municipio | Very Low | Avalanche | $7M | |
| 50 | Mayagüez Municipio | Very Low | Avalanche | $89M | |
| 51 | Moca Municipio | Very Low | Avalanche | $27M | |
| 52 | Morovis Municipio | Very Low | Avalanche | $21M | |
| 53 | Naguabo Municipio | Very Low | Avalanche | $21M | |
| 54 | Naranjito Municipio | Very Low | Avalanche | $25M | |
| 55 | Orocovis Municipio | Very Low | Avalanche | $19M | |
| 56 | Patillas Municipio | Very Low | Avalanche | $12M | |
| 57 | Peñuelas Municipio | Very Low | Avalanche | $16M | |
| 58 | Ponce Municipio | Very Low | Avalanche | $131M | |
| 59 | Quebradillas Municipio | Very Low | Avalanche | $19M | |
| 60 | Rincón Municipio | Very Low | Avalanche | $14M | |
| 61 | Río Grande Municipio | Very Low | Avalanche | $41M | |
| 62 | Sabana Grande Municipio | Very Low | Avalanche | $16M | |
| 63 | Salinas Municipio | Very Low | Avalanche | $23M | |
| 64 | San Germán Municipio | Very Low | Avalanche | $28M | |
| 65 | San Juan Municipio | Very Low | Avalanche | $435M | |
| 66 | San Lorenzo Municipio | Very Low | Avalanche | $31M | |
| 67 | San Sebastián Municipio | Very Low | Avalanche | $33M | |
| 68 | Santa Isabel Municipio | Very Low | Avalanche | $14M | |
| 69 | Toa Alta Municipio | Very Low | Avalanche | $38M | |
| 70 | Toa Baja Municipio | Very Low | Avalanche | $65M | |
| 71 | Trujillo Alto Municipio | Very Low | Avalanche | $47M | |
| 72 | Utuado Municipio | Very Low | Avalanche | $63M | |
| 73 | Vega Alta Municipio | Very Low | Avalanche | $31M | |
| 74 | Vega Baja Municipio | Very Low | Avalanche | $58M | |
| 75 | Vieques Municipio | Very Low | Avalanche | $7M | |
| 76 | Villalba Municipio | Very Low | Avalanche | $13M | |
| 77 | Yabucoa Municipio | Very Low | Avalanche | $22M | |
| 78 | Yauco Municipio | Very Low | Avalanche | $28M |
All 78 Puerto Rico counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which Puerto Rico county has the highest natural disaster risk?
Adjuntas Municipio has the highest FEMA National Risk Index score in Puerto Rico at 0.0 (Very Low), driven largely by avalanche.
What is the average natural disaster risk in Puerto Rico?
Puerto Rico counties average a National Risk Index score of 0.0 across 78 counties, with 0 rated High or Very High risk.
How much are expected annual losses across Puerto Rico?
FEMA estimates roughly $3.19B in combined expected annual loss from natural hazards across all Puerto Rico counties.