Natural Disaster Risk in South Portland
Maine
Risk Summary for South Portland
South Portland scores 7.3/10 (High risk), above the U.S. average of 4.5. The leading hazard is Winter Weather.
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: South Portland, Maine
South Portland is a city of approximately 27,019 residents in Cumberland County, along the northeastern Atlantic Seaboard. The area experiences long, harsh winters and brief summers with heavy snowfall, with powerful nor'easter blizzards shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in South Portland.
According to FEMA's National Risk Index, South Portland carries an overall risk score of 7.3/10, placing it in the high category. The area faces significant winter hazard exposure, with nor'easters, ice storms, or blizzards regularly challenging transportation networks and power infrastructure. The area also faces notable exposure to ice storm and coastal flood.
South Portland's risk score, slightly above the 6.2/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Cumberland County, the highest-scoring are winter, ice storm, and coastal flood. These scores reflect county-level data and represent the baseline risk that all communities in the county share.
South Portland'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 South Portland: Winter Weather preparedness
- Insulate pipes and keep a backup heat source to prevent freezing during extended cold.
- Maintain an emergency kit in your vehicle and home for snow- or ice-related power outages.
- Clear roof snow loads when heavy to prevent structural strain and ice dams.
Local Factors for South Portland
These city-level factors differentiate South Portland from other communities in Cumberland County and provide geographic context for its hazard exposure.
Population
27,019
SuburbanGeographic Zone
Atlantic Coast
Hurricane, nor'easter & coastal flood risk
Climate Band
Cool Continental
Latitude 43.6°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 4.7/10
Coordinates
43.6308° N, 70.2897° W
Cumberland County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for South Portland
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in South Portland
Other cities in Maine
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.