Glassboro, NJ
Full City Profile · New Jersey · Gloucester County County
3.4
/5.0
B
Good
23,375
Population
2,508/sq mi density
$80,388
Median Income
$36,667 per capita
$276,900
Home Value
$372,613 Zillow
$1,561
Median Rent
29.7% income on rent
55°F
Avg Temperature
157
Violent Crime/100K
1,081 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$80,388 median income, 8.6% unemployment
A+
Affordability
4.7 / 5.0
$276,900 home value, $1,561/mo rent
F
Safety
1.0 / 5.0
157 violent crimes/100K
A
Education
4.3 / 5.0
41.0% bachelor's degree or higher
Glassboro experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 33°F in January while summers reach 77°F in July. Annual precipitation totals 44.1 inches. The area receives 23.1 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
33°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 148 ft (45 m) |
| Area | 9.2 sq mi (23.9 km²) |
| Population Density | 2,508/sq mi |
| Coordinates | 39.7001°N, 75.1114°W |
| Timezone | America/New_York |
| County | Gloucester County County |
| Nearest Airport | Philadelphia International (PHL) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 72.6% |
| Unhealthy Days | 8 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0470 ppm |
| PM2.5 (Fine Particles) | 7.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.6 / 100 |
| Social Vulnerability | 16.0 / 100 |
| Community Resilience | 85.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 109 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 13 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 3.1 in | Coldest |
| February | 35°F (2°C) | 2.8 in | Driest |
| March | 43°F (6°C) | 4.0 in | |
| April | 53°F (11°C) | 3.5 in | |
| May | 62°F (17°C) | 3.3 in | |
| June | 72°F (22°C) | 4.0 in | |
| July | 77°F (25°C) | 4.4 in | Warmest |
| August | 75°F (24°C) | 4.3 in | |
| September | 69°F (21°C) | 4.4 in | Wettest |
| October | 56°F (14°C) | 3.5 in | |
| November | 46°F (8°C) | 2.9 in | |
| December | 38°F (3°C) | 4.0 in |
Glassboro has a seasonal temperature swing of 44°F / from 33°F in January to 77°F in July. Total annual precipitation is 44.1 inches, with September being the wettest month (4.4") and February the driest (2.8").