Natural Disaster Risk — ZIP Code 21638

Natural Hazard Profile: ZIP 21638, Maryland

ZIP 21638 in Grasonville sits along the mid-Atlantic coast. Its humid subtropical climate produces warm summers, mild winters, and coastal storm exposure, and notably tropical storm and nor'easter impacts. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 21638 carries an overall risk score of 5.7/10, placing it in the moderate category. Coastal flooding is the dominant hazard, with storm surge from tropical systems and nor'easters capable of inundating low-lying shoreline areas well above normal tidal levels. The area also faces notable exposure to drought and hurricane.

Within Maryland, ZIP 21638's risk is, slightly below the 6.5/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Maryland identifies coastal flood as the foremost hazard, followed by drought and hurricane. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

ZIP 21638's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that coastal flood exposure is adequately protected is a worthwhile step for property owners.