Calvert, MD
Calvert County in Maryland has 10 FEMA disaster declarations on record covering 1972–2021, most recently Tropical Storm Isaias on Feb 4, 2021 (DR-4583). Its flood risk grade is A (Low risk), ranking #189 of 3,277 U.S. counties, with 15 NFIP flood insurance claims totaling $250,314 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Calvert County
The 10 most recent federally declared disasters affecting Calvert County, MD (1972–2021). Total declarations on record: 10.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Feb 4, 2021 | Hurricane | Tropical Storm Isaias | DR-4583 |
| Nov 20, 2012 | Hurricane | Hurricane Sandy | DR-4091 |
| Oct 28, 2012 | Hurricane | Hurricane Sandy | DR-3349 |
| Sep 16, 2011 | Hurricane | Hurricane Irene | DR-4034 |
| Aug 27, 2011 | Hurricane | Hurricane Irene | DR-3335 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3251 |
| Sep 19, 2003 | Hurricane | Hurricane Isabel | DR-1492 |
| Sep 24, 1999 | Hurricane | Hurricane Floyd Major Disaster Declarations | DR-1303 |
| Oct 4, 1975 | Flood | Heavy Rains & Flooding | DR-489 |
| Jun 23, 1972 | Flood | Tropical Storm Agnes | DR-341 |
Score Breakdown
The composite score of 20 is calculated from four weighted factors. See our methodology for details.
Other Counties in Maryland
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Charles | A | 20 | 15 | 10 |
| Talbot | A | 20 | 19 | 9 |
| Cecil | B | 21 | 14 | 11 |
| Dorchester | A | 19 | 26 | 8 |
| Baltimore | A | 19 | 59 | 11 |
| Anne Arundel | A | 19 | 64 | 10 |
More Counties in Maryland
Frequently Asked Questions
How many FEMA disaster declarations does Calvert County, MD have?
Calvert County, MD has 10 federal disaster declarations on FEMA record (1972–2021). The 5 most recent are: Tropical Storm Isaias (declared Feb 4, 2021, DR-4583); Hurricane Sandy (declared Nov 20, 2012, DR-4091); Hurricane Sandy (declared Oct 28, 2012, DR-3349); Hurricane Irene (declared Sep 16, 2011, DR-4034); Hurricane Irene (declared Aug 27, 2011, DR-3335). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Calvert County, MD?
Calvert County is graded A (composite score 20/100, low risk). It ranks #189 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in Calvert County?
15 NFIP flood insurance claims have been filed in Calvert County, MD, totaling $250,314 in payouts. The average claim is $16,688. Source: FEMA FimaNfipClaims v2 dataset.
Has Calvert County, MD had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Calvert County was Tropical Storm Isaias on Feb 4, 2021 (DR-4583). The county has 10 declared disasters in the OpenFEMA record covering 1972–2021.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.