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Gambrills, MD

Full City Profile · Maryland · Baltimore city County

3.7 /5.0
B+ Good
2,862 Population 377/sq mi density
$151,667 Median Income $61,915 per capita
$584,400 Home Value $606,061 Zillow
$1,867 Median Rent 46.8% income on rent
56°F Avg Temperature 293 sunny days/yr
133 Violent Crime/100K 1,478 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$151,667 median income, 1.7% unemployment
A+
Affordability
4.5 / 5.0
$584,400 home value, $1,867/mo rent
F
Safety
1.0 / 5.0
133 violent crimes/100K
A
Education
4.3 / 5.0
41.8% bachelor's degree or higher
Gambrills enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 45.0 inches. The area receives 19.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

34°F Jan (1°C) 78°F Jul (26°C)
Annual Average56.2°F
4% above US avg
January Average34°F (1°C)
July Average78°F (26°C)
Sunny Days293 days/yr

Geography

Elevation100 ft (30 m)
Area7.6 sq mi (19.6 km²)
Population Density377/sq mi
Coordinates39.0927°N, 76.6510°W
TimezoneAmerica/New_York
CountyBaltimore city County
Nearest AirportBaltimore/Washington International Thurgood Marshall (BWI)
6 miles away

Precipitation & Snow

Annual Rainfall 45.0"
18% above US avg
Snowfall 19.3"
Wettest Month (May) 4.33"
Driest Month (Feb) 2.91"

Air Quality

AQI Median41.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0487 ppm
NO₂ (Nitrogen Dioxide)13.9 ppb
PM2.5 (Fine Particles)8.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively High
Risk Score95.0 / 100
Social Vulnerability74.1 / 100
Community Resilience78.8 / 100

Hazard Breakdown

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

Earthquake History

28 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 M4.6 147 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 148 km
Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 68 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 109 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 114 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 105 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 122 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 113 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 147 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 95 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 150 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 118 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 115 km
Mar 15, 1993 5 km W of Columbia, Maryland M2.7 26 km
Oct 28, 1994 1 km E of Mount Vernon, Maryland M2.7 24 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 114 km
Jan 25, 2015 4 km ESE of Downingtown, Pennsylvania M2.6 132 km
Jan 13, 1990 6 km ENE of Eldersburg, Maryland M2.6 42 km
Jun 25, 2021 2 km SE of Woodlawn, Maryland M2.6 24 km
Jan 18, 1994 3 km SE of Clay, Pennsylvania M2.6 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2011 Irene Category 1 181 km
2003 Isabel Category 1 282 km
1999 Floyd Category 1 260 km
1991 Bob Category 3 299 km
1986 Charley Category 1 227 km
1985 Gloria Category 2 202 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

483 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 13 fatalities, 468 injuries.

Date Rating Distance Fatalities
Apr 28, 2002 EF4 76 km 3
Apr 1, 2023 EF3 95 km 1
Apr 28, 2002 EF3 81 km 0
Sep 24, 2001 EF3 34 km 2
Jul 19, 1996 EF3 53 km 0
May 22, 1983 EF3 85 km 0
Jun 7, 1980 EF3 98 km 0
Sep 5, 1979 EF3 51 km 1
Jan 26, 1978 EF3 87 km 1
Apr 1, 1973 EF3 67 km 0
Jun 9, 1961 EF3 12 km 0
Apr 5, 1952 EF3 84 km 0
Sep 1, 2021 EF2 95 km 0
Sep 1, 2021 EF2 27 km 0
Aug 4, 2020 EF2 99 km 0
Nov 2, 2018 EF2 53 km 0
Jul 23, 2017 EF2 30 km 0
Sep 18, 2004 EF2 72 km 0
Sep 17, 2004 EF2 85 km 0
Sep 17, 2004 EF2 85 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 147 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: BESTPITCH (7,743 ac, 2017).

Year Name Acres Distance
2017 BESTPITCH 7,743 96 km
2004 RETAINING ECOLOGICAL HEALTH 5,678 93 km
2014 BLACKWATER MARSH WUI BURNS FY14 5,433 94 km
2005 MARSH RX-FWS 4,380 93 km
2007 GUINEA MARSH 4,173 100 km
2009 DOCTORS CREEK 3,686 99 km
1999 FB R O C I 3,525 97 km
2019 MDBWR-FY19-RX-MDWHS SUPPORT 3,197 94 km
2011 COMPARTMENT J 2,775 94 km
1992 UNNAMED 2,038 96 km
2005 VEGETATION RESEARCH 1,926 95 km
2011 THOROFARE 1,850 95 km
1987 UNNAMED 1,692 92 km
2004 ROBBINS FIRE 1,612 97 km
2004 BLACKWATER HAZARD FUEL REDUCTION 1,518 86 km
2009 BECKERS ISLAND 1,398 96 km
2006 UNNAMED 1,260 93 km
2011 GUINEA ISLAND COMPLEX 1,170 97 km
1999 FB A 3 1,156 92 km
2006 L 2 FB H 2 G 2 1,039 94 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 3.4 in Coldest
February 36°F (2°C) 2.9 in Driest
March 44°F (7°C) 4.0 in
April 54°F (12°C) 3.4 in
May 64°F (18°C) 4.3 in Wettest
June 72°F (22°C) 3.7 in
July 78°F (26°C) 4.1 in Warmest
August 76°F (24°C) 4.1 in
September 69°F (20°C) 3.9 in
October 57°F (14°C) 3.2 in
November 48°F (9°C) 3.5 in
December 39°F (4°C) 3.5 in

Gambrills has a seasonal temperature swing of 44°F / from 34°F in January to 78°F in July. Total annual precipitation is 44.1 inches, with May being the wettest month (4.3") and February the driest (2.9").

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