Marcus Hook, PA
Full City Profile · Pennsylvania · Delaware County County
2.8
/5.0
C+
Fair
2,236
Population
2,014/sq mi density
$50,952
Median Income
$23,839 per capita
$108,000
Home Value
$331,238 Zillow
$1,155
Median Rent
31.2% income on rent
57°F
Avg Temperature
289
Violent Crime/100K
1,278 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$50,952 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$108,000 home value, $1,155/mo rent
F
Safety
1.0 / 5.0
289 violent crimes/100K
F
Education
1.5 / 5.0
5.8% bachelor's degree or higher
Marcus Hook enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 80°F in July. Annual precipitation totals 41.6 inches. The area receives 23.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
35°F Jan (2°C)
80°F Jul (26°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 80°F (26°C) |
Geography
| Elevation | 15 ft (5 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 2,014/sq mi |
| Coordinates | 39.8129°N, 75.4162°W |
| Timezone | America/New_York |
| County | Delaware County County |
| Nearest Airport | Philadelphia International (PHL) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 68.3% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| NO₂ (Nitrogen Dioxide) | 15.0 ppb |
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.9 / 100 |
| Social Vulnerability | 33.0 / 100 |
| Community Resilience | 84.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
| Avalanche | Very Low |
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 | - | - | 105 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 19 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 3.2 in | Coldest |
| February | 37°F (3°C) | 2.2 in | Driest |
| March | 44°F (7°C) | 3.9 in | |
| April | 55°F (13°C) | 3.5 in | |
| May | 65°F (18°C) | 3.2 in | |
| June | 74°F (23°C) | 3.3 in | |
| July | 80°F (26°C) | 4.8 in | Warmest, Wettest |
| August | 78°F (25°C) | 3.7 in | |
| September | 71°F (22°C) | 4.4 in | |
| October | 59°F (15°C) | 3.7 in | |
| November | 49°F (9°C) | 2.6 in | |
| December | 40°F (4°C) | 3.3 in |
Marcus Hook has a seasonal temperature swing of 45°F / from 35°F in January to 80°F in July. Total annual precipitation is 41.7 inches, with July being the wettest month (4.8") and February the driest (2.2").