Natural Disaster Risk — ZIP Code 83440
Rexburg, Idaho
Risk Summary for ZIP 83440
ZIP 83440 scores 6.1/10 (High risk), above the U.S. average of 4.5. The leading hazard is Volcanic Activity.
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 83440, Idaho
Located in the Great Plains, ZIP 83440 serves the Rexburg community. The semi-arid climate of this part of Idaho — bringing dry summers, cold winters, and significant wildfire risk — directly shapes the hazard exposure for properties in this postal area.
ZIP 83440's overall natural disaster risk is rated 6.1/10 (High) by FEMA's National Risk Index. Volcanic hazard exposure defines the local risk environment, driven by proximity to one of the most active volcanic systems in the United States. Secondary hazards include avalanche and lightning.
Relative to other U.S. communities, ZIP 83440'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 volcano and avalanche, as measured by FEMA across Idaho. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
ZIP 83440'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.
What this means for ZIP 83440: Volcanic Activity preparedness
- Monitor official volcano alert levels and have an evacuation plan for lava or lahar zones.
- Protect electronics and HVAC systems from fine volcanic ash during eruptions.
- Keep dust masks and eye protection on hand for ashfall events, which can affect breathing and visibility.
Risk for the surrounding area
Local Factors for ZIP 83440
These city-level factors differentiate ZIP 83440 from other communities in Idaho County and provide geographic context for its hazard exposure.
Population
51,421
UrbanGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 43.8°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High — long dry fire season
Fire score: 7.4/10
Coordinates
43.8109° N, 111.8078° 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 83440
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
Nearby ZIP codes
Other cities in Idaho
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.