Natural Disaster Risk — ZIP Code 20171

Natural Hazard Profile: ZIP 20171, Virginia

ZIP 20171 in Herndon sits along the mid-Atlantic coast. Its humid subtropical climate produces hot, humid summers and four distinct seasons, and notably hurricane and nor'easter exposure. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 20171 carries an overall risk score of 7.7/10, placing it in the high category. Lightning from frequent convective storms is the leading natural hazard, with above-average strike density creating risks for outdoor activities, trees, and sensitive infrastructure. The area also faces notable exposure to winter and heat.

Within Virginia, ZIP 20171's risk is, considerably above the 5.1/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Virginia identifies lightning as the foremost hazard, followed by winter and heat. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

ZIP 20171's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.