Norwalk, CT
Full City Profile · Connecticut · Greater Bridgeport Planning Region County
3.4
/5.0
B
Good
91,375
Population
3,992/sq mi density
$105,301
Median Income
$59,700 per capita
$535,000
Home Value
$676,843 Zillow
$2,010
Median Rent
29.3% income on rent
53°F
Avg Temperature
91
Violent Crime/100K
1,506 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$105,301 median income, 5.8% unemployment
B+
Affordability
3.8 / 5.0
$535,000 home value, $2,010/mo rent
F
Safety
1.0 / 5.0
91 violent crimes/100K
A+
Education
4.6 / 5.0
44.6% bachelor's degree or higher
Norwalk experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 75°F in July. Annual precipitation totals 51.6 inches. The area receives 34.0 inches of snow annually.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 20 ft (6 m) |
| Area | 36.4 sq mi (94.1 km²) |
| Population Density | 3,992/sq mi |
| Coordinates | 41.0927°N, 73.4198°W |
| Timezone | America/New_York |
| County | Greater Bridgeport Planning Region County |
| Nearest Airport | Laguardia (LGA) 32 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.8 / 100 |
| Social Vulnerability | 45.3 / 100 |
| Community Resilience | 59.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | LONG ISLAND, NY | Meteorological | 0.3 m | - | 42 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 132 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 4.3 in | Coldest |
| February | 32°F (0°C) | 3.1 in | Driest |
| March | 40°F (4°C) | 4.7 in | |
| April | 51°F (11°C) | 4.4 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 69°F (21°C) | 4.9 in | |
| July | 75°F (24°C) | 3.8 in | Warmest |
| August | 73°F (23°C) | 3.8 in | |
| September | 66°F (19°C) | 5.2 in | Wettest |
| October | 55°F (13°C) | 4.6 in | |
| November | 44°F (7°C) | 4.2 in | |
| December | 35°F (2°C) | 4.4 in |
Norwalk has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 51.6 inches, with September being the wettest month (5.2") and February the driest (3.1").