Chapman, PA
Full City Profile · Pennsylvania · Northampton County County
4.0
/5.0
A
Great
191
Population
579/sq mi density
$70,357
Median Income
$35,363 per capita
$218,800
Home Value
$364,284 Zillow
$1,167
Median Rent
26.9% income on rent
53°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.2 / 5.0
$70,357 median income, 3.1% unemployment
A+
Affordability
4.9 / 5.0
$218,800 home value, $1,167/mo rent
C+
Education
2.8 / 5.0
22.6% bachelor's degree or higher
Chapman experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 76°F in July. Annual precipitation totals 47.4 inches. The area receives 33.1 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
30°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 705 ft (215 m) |
| Area | 0.1 sq mi (0.4 km²) |
| Population Density | 579/sq mi |
| Coordinates | 40.7600°N, 75.4006°W |
| Timezone | America/New_York |
| County | Northampton County County |
| Nearest Airport | Lehigh Valley International (ABE) 8 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 76.0% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0445 ppm |
| NO₂ (Nitrogen Dioxide) | 13.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.77 ppb |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.0 / 100 |
| Social Vulnerability | 30.6 / 100 |
| Community Resilience | 73.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| 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 | - | - | 45 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 108 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.3 in | Coldest |
| February | 32°F (0°C) | 2.8 in | Driest |
| March | 41°F (5°C) | 3.6 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 62°F (17°C) | 3.7 in | |
| June | 71°F (22°C) | 4.4 in | |
| July | 76°F (24°C) | 5.3 in | Warmest, Wettest |
| August | 74°F (23°C) | 4.6 in | |
| September | 66°F (19°C) | 4.8 in | |
| October | 55°F (13°C) | 4.1 in | |
| November | 44°F (7°C) | 3.2 in | |
| December | 35°F (2°C) | 3.9 in |
Chapman has a seasonal temperature swing of 46°F / from 30°F in January to 76°F in July. Total annual precipitation is 47.4 inches, with July being the wettest month (5.3") and February the driest (2.8").