Maryland Natural Disaster Risk by County
FEMA National Risk Index rankings for all 24 counties
Maryland spans 24 counties with an average FEMA National Risk Index score of 60.2 (high risk) and roughly $1.06B in combined expected annual loss statewide. 1 county is rated High or Very High risk.
Leading the state for risk is Baltimore City (score 95.0, high), while Garrett County (score 16.0) 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 | Baltimore City | High | Heat Wave | $136M | |
| 2 | Baltimore County | Medium | Winter Weather | $157M | |
| 3 | Prince George's County | Medium | Winter Weather | $122M | |
| 4 | Montgomery County | Medium | Winter Weather | $126M | |
| 5 | Anne Arundel County | Medium | Winter Weather | $75M | |
| 6 | Frederick County | Low | Winter Weather | $50M | |
| 7 | Harford County | Low | Winter Weather | $51M | |
| 8 | Howard County | Low | Winter Weather | $52M | |
| 9 | Washington County | Low | Drought | $27M | |
| 10 | Worcester County | Low | Hurricane | $26M | |
| 11 | Wicomico County | Low | Hurricane | $24M | |
| 12 | Somerset County | Low | Coastal Flood | $17M | |
| 13 | Carroll County | Low | Strong Wind | $32M | |
| 14 | Cecil County | Low | Drought | $23M | |
| 15 | Allegany County | Low | Landslide | $15M | |
| 16 | Dorchester County | Low | Coastal Flood | $16M | |
| 17 | Caroline County | Low | Drought | $13M | |
| 18 | Charles County | Low | Heat Wave | $23M | |
| 19 | St. Mary's County | Very Low | Hurricane | $22M | |
| 20 | Talbot County | Very Low | Drought | $13M | |
| 21 | Queen Anne's County | Very Low | Drought | $13M | |
| 22 | Calvert County | Very Low | Hurricane | $16M | |
| 23 | Kent County | Very Low | Drought | $8M | |
| 24 | Garrett County | Very Low | Landslide | $6M |
All 24 Maryland counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which Maryland county has the highest natural disaster risk?
Baltimore City has the highest FEMA National Risk Index score in Maryland at 95.0 (High), driven largely by heat wave.
What is the average natural disaster risk in Maryland?
Maryland counties average a National Risk Index score of 60.2 across 24 counties, with 1 rated High or Very High risk.
How much are expected annual losses across Maryland?
FEMA estimates roughly $1.06B in combined expected annual loss from natural hazards across all Maryland counties.