Palmyra, NJ
Full City Profile · New Jersey · Philadelphia County County
3.4
/5.0
B
Good
7,447
Population
4,025/sq mi density
$85,014
Median Income
$44,529 per capita
$216,600
Home Value
$314,179 Zillow
$1,680
Median Rent
31.4% income on rent
56°F
Avg Temperature
147
Violent Crime/100K
1,931 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$85,014 median income, 5.7% unemployment
A+
Affordability
5.0 / 5.0
$216,600 home value, $1,680/mo rent
F
Safety
1.0 / 5.0
147 violent crimes/100K
B
Education
3.4 / 5.0
29.7% bachelor's degree or higher
Palmyra enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 79°F in July. Annual precipitation totals 45.0 inches. The area receives 16.1 inches of snow annually.
Temperature
34°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 7 ft (2 m) |
| Area | 2.5 sq mi (6.6 km²) |
| Population Density | 4,025/sq mi |
| Coordinates | 40.0026°N, 75.0353°W |
| Timezone | America/New_York |
| County | Philadelphia County County |
| Nearest Airport | South Jersey Regional (LLY) 11 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0428 ppm |
| NO₂ (Nitrogen Dioxide) | 18.7 ppb |
| SO₂ (Sulfur Dioxide) | 0.54 ppb |
| CO (Carbon Monoxide) | 0.38 ppm |
| PM2.5 (Fine Particles) | 11.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.6 / 100 |
| Social Vulnerability | 88.1 / 100 |
| Community Resilience | 48.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Very High |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Very High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Very High |
| Landslide | Relatively 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 | - | - | 75 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 27 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.3 in | Coldest |
| February | 37°F (3°C) | 2.6 in | Driest |
| March | 44°F (7°C) | 4.0 in | |
| April | 55°F (13°C) | 3.8 in | |
| May | 64°F (18°C) | 3.6 in | |
| June | 74°F (23°C) | 3.9 in | |
| July | 79°F (26°C) | 4.3 in | Warmest |
| August | 77°F (25°C) | 4.2 in | |
| September | 70°F (21°C) | 4.5 in | Wettest |
| October | 58°F (14°C) | 3.6 in | |
| November | 48°F (9°C) | 3.2 in | |
| December | 39°F (4°C) | 4.0 in |
Palmyra has a seasonal temperature swing of 45°F / from 34°F in January to 79°F in July. Total annual precipitation is 45.0 inches, with September being the wettest month (4.5") and February the driest (2.6").