🌍 ClimateRiskCheck

Natural Disaster Risk in Norwalk

Connecticut

7.8out of 10
High Risk

Risk Summary for Norwalk

Norwalk scores 7.8/10 (High risk), above the U.S. average of 4.5. The leading hazard is Coastal Flooding.

Top Hazards

Coastal Flooding Hurricane Strong Wind

All 18 Hazard Scores

Coastal Flooding
9.9
Hurricane
9.8
Strong Wind
9.8
Ice Storm
9.6
Winter Weather
9.5
Earthquake
9.3
Landslide
9.0
Extreme Heat
8.6
Avalanche
8.6
Lightning
8.2
Tornado
7.3
Cold Wave
7.0
Drought
5.6
Tsunami
5.4
Wildfire
5.3
Volcanic Activity
5.1
Hail
4.9
Riverine Flooding
1.0

How it compares

Norwalk
7.8
Connecticut avg.
6.8
US national avg.
4.5

Live Conditions

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🏠 What this means for insurance

Above-average risk β€” 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: Norwalk, Connecticut

Norwalk, in Western Connecticut County, is a city of approximately 32,118 residents situated along the northeastern Atlantic Seaboard. Its humid continental climate brings cold winters, warm summers, and four well-defined seasons, and in particular nor'easter storms and coastal flooding in winter. These conditions collectively define the natural hazard environment that Norwalk residents and property owners must navigate.

According to FEMA's National Risk Index, Norwalk carries an overall risk score of 7.8/10, placing it in the high 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 hurricane and wind.

Within Connecticut, Norwalk's risk is, slightly above the 6.8/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Western Connecticut County identifies coastal flood as the foremost hazard, followed by hurricane and wind. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Norwalk residents benefit from taking preparedness seriously. Reviewing insurance coverage for coastal flood 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 Norwalk: Coastal Flooding preparedness

  • Elevate utilities and consider flood-resistant construction in low-lying shoreline areas.
  • Coastal flood and storm-surge damage requires separate flood insurance, not standard homeowners coverage.
  • Know your evacuation zone and monitor tidal and surge forecasts during coastal storms.

Local Factors for Norwalk

These city-level factors differentiate Norwalk from other communities in Western Connecticut County and provide geographic context for its hazard exposure.

Population

32,118

Suburban

Geographic Zone

Atlantic Coast

Hurricane, nor'easter & coastal flood risk

Climate Band

Moderate Continental

Latitude 41.1Β°

Flood Terrain

Minimal β€” county topography limits flood risk

Flood score: 1.0/10

Wildfire Exposure

Moderate β€” seasonal fire risk

Fire score: 5.3/10

Coordinates

41.0915Β° N, 73.4297Β° W

Western Connecticut 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 Norwalk

Last 12 months Β· Source: Open-Meteo archive

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ZIP Codes in Norwalk

Other cities in Connecticut

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.