Natural Disaster Risk — ZIP Code 23146
Rockville, Virginia
Risk Summary for ZIP 23146
ZIP 23146 scores 6.0/10 (High risk), above the U.S. average of 4.5. The leading hazard is Drought.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: ZIP 23146, Virginia
Located along the mid-Atlantic coast, ZIP 23146 serves the Rockville community. The humid subtropical climate of this part of Virginia — bringing hot, humid summers and four distinct seasons — directly shapes the hazard exposure for properties in this postal area.
ZIP 23146's overall natural disaster risk is rated 6.0/10 (High) by FEMA's National Risk Index. Prolonged drought is the primary hazard risk, shaped by low annual rainfall, high evaporation rates, and increasing temperature trends that deepen and lengthen dry periods. Secondary hazards include coastal flood and earthquake.
Relative to other U.S. communities, ZIP 23146's natural disaster risk is above the U.S. national average of 4.5/10, slightly above the 5.1/10 state average. The hazard distribution here is led by drought and coastal flood, as measured by FEMA across Virginia. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
With a high natural disaster risk rating, ZIP 23146 residents benefit from taking preparedness seriously. Reviewing insurance coverage for drought and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.
What this means for ZIP 23146: Drought preparedness
- Be aware that prolonged drought raises secondary risks including wildfire and foundation soil movement.
- Follow local water-use restrictions, which may be enacted during severe drought conditions.
- Adopt water-efficient landscaping and fixtures to reduce strain during extended dry periods.
Risk for the surrounding area
Local Factors for ZIP 23146
These city-level factors differentiate ZIP 23146 from other communities in Virginia County and provide geographic context for its hazard exposure.
Population
3,451
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Moderate Continental
Latitude 37.7°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 4.0/10
Coordinates
37.7273° N, 77.7093° W
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for ZIP 23146
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
Nearby ZIP codes
Other cities in Virginia
Data source: FEMA National Risk Index (NRI). County-level data applied to ZIP codes within each county. Scores are normalized to 1–10 across all US counties. This information is for general awareness only — consult official emergency management resources and a licensed insurer for property-specific advice.