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West Chester, PA

Full City Profile · Pennsylvania · Chester County County

3.3 /5.0
B Good
19,235 Population 10,397/sq mi density
$81,492 Median Income $44,115 per capita
$481,300 Home Value $635,760 Zillow
$1,661 Median Rent 30.2% income on rent
52°F Avg Temperature 290 sunny days/yr
225 Violent Crime/100K 1,959 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$81,492 median income, 4.9% unemployment
B
Affordability
3.3 / 5.0
$481,300 home value, $1,661/mo rent
F
Safety
1.0 / 5.0
225 violent crimes/100K
A+
Education
5.0 / 5.0
60.1% bachelor's degree or higher
West Chester experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 290 sunny days per year. Annual precipitation totals 50.9 inches. The area receives 30.5 inches of snow annually. Air quality is rated Good with a median AQI of 40.

Temperature

30°F Jan (-1°C) 75°F Jul (24°C)
Annual Average52.4°F
3% below US avg
January Average30°F (-1°C)
July Average75°F (24°C)
Sunny Days290 days/yr

Geography

Elevation460 ft (140 m)
Area1.9 sq mi (4.8 km²)
Population Density10,397/sq mi
Coordinates39.9599°N, 75.6054°W
TimezoneAmerica/New_York
CountyChester County County
Nearest AirportPhiladelphia International (PHL)
20 miles away

Precipitation & Snow

Annual Rainfall 50.9"
34% above US avg
Snowfall 30.5"
Wettest Month (Jul) 4.65"
Driest Month (Feb) 2.95"

Air Quality

AQI Median40.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0450 ppm
PM2.5 (Fine Particles)9.5 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score91.9 / 100
Social Vulnerability10.6 / 100
Community Resilience85.2 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Relatively Moderate
Earthquake Relatively Moderate
Wildfire Very Low
Flood Relatively High
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Very High
Lightning Relatively High
Ice Storm Relatively High
Drought Relatively High
Cold Wave Relatively Moderate
Landslide Relatively Low
Coastal Flood No Rating
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

35 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M2.9 on May 24, 2024.

Apr 5, 2024 2024 Tewksbury, New Jersey Earthquake M4.8 109 km
Jan 16, 1994 2 km W of Sinking Spring, Pennsylvania M4.6 55 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 53 km
Apr 5, 2024 7 km WSW of Gladstone, New Jersey M3.7 109 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 51 km
Jan 9, 1992 4 km WNW of Robertsville, New Jersey M3.1 116 km
Aug 26, 2003 4 km NNW of Milford, New Jersey M3.1 84 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 117 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 59 km
Feb 3, 2009 1 km ESE of Victory Gardens, New Jersey M3.0 136 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 122 km
Apr 27, 2024 7 km WSW of Gladstone, New Jersey M2.9 109 km
May 24, 2024 6 km E of Califon, New Jersey M2.9 110 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 53 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 112 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 56 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 37 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 118 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 69 km
Oct 28, 1994 1 km E of Mount Vernon, Maryland M2.7 112 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

5 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Sandy (2012, Cat 1).

Year Name Category Closest
2012 Sandy Category 1 278 km
2011 Irene Category 1 213 km
1991 Bob Category 3 253 km
1986 Charley Category 1 287 km
1985 Gloria Category 2 171 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

390 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 11 fatalities, 286 injuries.

Date Rating Distance Fatalities
Sep 1, 2021 EF3 44 km 0
Jul 29, 2021 EF3 55 km 0
Jul 14, 2004 EF3 90 km 0
May 31, 1998 EF3 63 km 0
Jul 27, 1994 EF3 30 km 0
Jul 27, 1994 EF3 31 km 3
Oct 18, 1990 EF3 92 km 0
Jul 26, 1981 EF3 90 km 0
Jun 18, 1970 EF3 77 km 1
Apr 28, 1961 EF3 32 km 0
Jun 24, 1960 EF3 79 km 0
Mar 22, 1955 EF3 2 km 1
Nov 4, 1950 EF3 51 km 0
Feb 21, 2023 EF2 85 km 0
Sep 1, 2021 EF2 38 km 0
Sep 1, 2021 EF2 35 km 1
Jul 29, 2021 EF2 70 km 0
Aug 4, 2020 EF2 57 km 0
Aug 4, 2020 EF2 96 km 0
Oct 31, 2019 EF2 9 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

2 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1895 HIGH BRIDGE, NJ Earthquake 100 km
1840 PHILADELPHIA, PENNSYLVANIA Earthquake 39 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: MULLICA RIVER FIRE (13,082 ac, 2022).

Year Name Acres Distance
2022 MULLICA RIVER FIRE 13,082 85 km
1992 UNNAMED 4,470 94 km
2024 TEA TIME HILL 4,444 88 km
2006 UNNAMED 3,780 88 km
2017 PENN SWAMP FIRE 3,587 88 km
2002 UNNAMED 2,824 94 km
2007 ATSION 2,705 81 km
1992 FOUR MILE COLONY 2,647 91 km
1996 UNNAMED 2,625 95 km
2010 FORT DIX RANGE 1-14 2,615 92 km
1990 UNNAMED 2,367 74 km
1996 UNNAMED 2,122 73 km
1997 UNNAMED 2,121 84 km
1993 UNNAMED 1,860 73 km
1997 UNNAMED 1,833 92 km
2008 SAUNDERS DITCH 1,814 77 km
1997 UNNAMED 1,793 96 km
1985 UNNAMED 1,685 73 km
2020 SPLIT DITCH 1,518 84 km
2020 BIG TIMBER 1,434 70 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 3.7 in Coldest
February 32°F (0°C) 3.0 in Driest
March 41°F (5°C) 4.0 in
April 51°F (10°C) 3.9 in
May 61°F (16°C) 4.5 in
June 70°F (21°C) 4.1 in
July 75°F (24°C) 4.7 in Warmest, Wettest
August 73°F (23°C) 3.9 in
September 66°F (19°C) 4.4 in
October 55°F (13°C) 3.4 in
November 45°F (7°C) 3.9 in
December 35°F (2°C) 3.7 in

West Chester has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 47.0 inches, with July being the wettest month (4.7") and February the driest (3.0").

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