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Susquehanna Trails, PA

Full City Profile · Pennsylvania · Harford County County

3.1 /5.0
B Good
2,219 Population 709/sq mi density
$62,011 Median Income $30,253 per capita
$209,800 Home Value $307,776 Zillow
55°F Avg Temperature 293 sunny days/yr
121 Violent Crime/100K 1,256 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$62,011 median income, 6.5% unemployment
A+
Affordability
4.8 / 5.0
$209,800 home value, /mo rent
F
Safety
1.0 / 5.0
121 violent crimes/100K
C+
Education
3.0 / 5.0
24.4% bachelor's degree or higher
Susquehanna Trails experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 32°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.3 inches. The area receives 21.3 inches of snow annually. Air quality is rated Good with a median AQI of 40.

Temperature

32°F Jan (0°C) 77°F Jul (25°C)
Annual Average54.6°F
1% above US avg
January Average32°F (0°C)
July Average77°F (25°C)
Sunny Days293 days/yr

Geography

Elevation467 ft (142 m)
Area3.1 sq mi (8.1 km²)
Population Density709/sq mi
Coordinates39.7584°N, 76.3684°W
TimezoneAmerica/New_York
CountyHarford County County
Nearest AirportHarrisburg International (MDT)
37 miles away

Precipitation & Snow

Annual Rainfall 46.3"
22% above US avg
Snowfall 21.3"
Wettest Month (May) 4.25"
Driest Month (Feb) 2.72"

Air Quality

AQI Median40.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0479 ppm
PM2.5 (Fine Particles)7.2 μg/m³

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score72.5 / 100
Social Vulnerability10.6 / 100
Community Resilience91.6 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Moderate
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively Moderate
Heat Wave Relatively Moderate
Winter Weather Relatively High
Lightning Relatively Moderate
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Very Low
Coastal Flood Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

29 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M2.6 on Jun 25, 2021.

Jan 16, 1994 2 km W of Sinking Spring, Pennsylvania M4.6 70 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 70 km
Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 105 km
Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 122 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 79 km
Aug 26, 2003 4 km NNW of Milford, New Jersey M3.1 143 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 63 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 134 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 44 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 66 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 70 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 50 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 72 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 77 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 64 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 38 km
Oct 28, 1994 1 km E of Mount Vernon, Maryland M2.7 55 km
Mar 15, 1993 5 km W of Columbia, Maryland M2.7 74 km
Jan 25, 2015 4 km ESE of Downingtown, Pennsylvania M2.6 66 km
Jun 25, 2021 2 km SE of Woodlawn, Maryland M2.6 58 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

3 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Irene (2011, Cat 1).

Year Name Category Closest
2011 Irene Category 1 219 km
1986 Charley Category 1 281 km
1985 Gloria Category 2 221 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

449 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 12 fatalities, 311 injuries.

Date Rating Distance Fatalities
Sep 1, 2021 EF3 96 km 0
Jul 14, 2004 EF3 61 km 0
May 31, 1998 EF3 90 km 0
Jul 19, 1996 EF3 60 km 0
Jul 27, 1994 EF3 50 km 0
Jul 27, 1994 EF3 89 km 3
May 22, 1983 EF3 76 km 0
Jun 7, 1980 EF3 59 km 0
Jun 18, 1970 EF3 72 km 1
Jun 9, 1961 EF3 66 km 0
Apr 28, 1961 EF3 69 km 0
Mar 22, 1955 EF3 68 km 1
Apr 5, 1952 EF3 53 km 0
Nov 4, 1950 EF3 54 km 0
Sep 1, 2021 EF2 34 km 0
Oct 31, 2019 EF2 75 km 0
May 28, 2019 EF2 59 km 0
Nov 2, 2018 EF2 83 km 0
Jul 23, 2017 EF2 88 km 0
Feb 24, 2016 EF2 40 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

1 tsunami recorded within 500 km.

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

Wildfire History

3 wildfires (100+ acres) within 100 km. Largest: BOMBAY ISLAND (1,020 ac, 1988).

Year Name Acres Distance
1988 BOMBAY ISLAND 1,020 98 km
2012 HOPEWELL FIRE 812 73 km
1985 BOMBAY HOOK 669 99 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (0°C) 3.1 in
February 32°F (-0°C) 2.7 in Coldest, Driest
March 41°F (5°C) 3.4 in
April 51°F (10°C) 3.6 in
May 61°F (16°C) 4.3 in Wettest
June 69°F (21°C) 4.0 in
July 77°F (25°C) 4.1 in Warmest
August 73°F (23°C) 3.8 in
September 66°F (19°C) 3.7 in
October 55°F (13°C) 3.1 in
November 45°F (7°C) 3.6 in
December 35°F (2°C) 3.4 in

Susquehanna Trails has a seasonal temperature swing of 46°F / from 32°F in February to 77°F in July. Total annual precipitation is 42.7 inches, with May being the wettest month (4.3") and February the driest (2.7").

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