Linwood, PA
Full City Profile · Pennsylvania · Delaware County County
3.3
/5.0
B
Good
3,623
Population
5,574/sq mi density
$76,077
Median Income
$33,414 per capita
$117,000
Home Value
$187,932 Zillow
$972
Median Rent
23.4% income on rent
57°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$76,077 median income, 9.7% unemployment
A+
Affordability
5.0 / 5.0
$117,000 home value, $972/mo rent
C
Education
2.1 / 5.0
13.6% bachelor's degree or higher
Linwood 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 | 99 ft (30 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 5,574/sq mi |
| Coordinates | 39.8254°N, 75.4252°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 | - | - | 104 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 |
Linwood 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").