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Brock Hall, MD

Full City Profile · Maryland · Prince George's County County

3.9 /5.0
B+ Good
13,400 Population 1,394/sq mi density
$190,896 Median Income $67,607 per capita
$605,700 Home Value $477,456 Zillow
$3,138 Median Rent 27.6% income on rent
56°F Avg Temperature 293 sunny days/yr
362 Violent Crime/100K 1,689 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$190,896 median income, 4.4% unemployment
A+
Affordability
4.9 / 5.0
$605,700 home value, $3,138/mo rent
F
Safety
1.0 / 5.0
362 violent crimes/100K
A+
Education
5.0 / 5.0
61.7% bachelor's degree or higher
Brock Hall 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 15.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

34°F Jan (1°C) 78°F Jul (25°C)
Annual Average56.0°F
4% above US avg
January Average34°F (1°C)
July Average78°F (25°C)
Sunny Days293 days/yr

Geography

Elevation112 ft (34 m)
Area13.8 sq mi (35.6 km²)
Population Density1,394/sq mi
Coordinates38.8559°N, 76.7424°W
TimezoneAmerica/New_York
CountyPrince George's County County
Nearest AirportRonald Reagan Washington Ntl (DCA)
16 miles away

Precipitation & Snow

Annual Rainfall 45.0"
18% above US avg
Snowfall 15.9"
Wettest Month (May) 4.41"
Driest Month (Feb) 2.83"

Air Quality

AQI Median41.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0451 ppm
NO₂ (Nitrogen Dioxide)10.4 ppb
SO₂ (Sulfur Dioxide)0.08 ppb
CO (Carbon Monoxide)0.17 ppm
PM2.5 (Fine Particles)7.7 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score93.2 / 100
Social Vulnerability49.4 / 100
Community Resilience29.8 / 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 Very High
Ice Storm Relatively Moderate
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Relatively Moderate
Coastal Flood Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

36 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.8. Most recent: M2.8 on Jan 14, 2025.

Aug 23, 2011 11 km SSW of Mineral, Virginia M5.8 148 km
Aug 25, 2011 8 km SW of Mineral, Virginia M4.5 147 km
Aug 24, 2011 11 km SSW of Mineral, Virginia M4.2 149 km
Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 73 km
Sep 1, 2011 7 km SSW of Mineral, Virginia M3.4 145 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 129 km
Jan 30, 2012 9 km SSE of Louisa, Virginia M3.1 148 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 138 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 107 km
Oct 2, 2010 10 km NNW of Ashland, Virginia M3.0 130 km
Oct 12, 2011 9 km S of Louisa, Virginia M3.0 149 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 150 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 137 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 120 km
Mar 15, 2015 6 km SW of Mineral, Virginia M2.8 145 km
Aug 23, 2011 9 km SSW of Mineral, Virginia M2.8 146 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 140 km
Jan 14, 2025 1 km NNE of Wyndham, Virginia M2.8 148 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 139 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 141 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 1 173 km
2003 Isabel Category 1 254 km
1999 Floyd Category 1 236 km
1991 Bob Category 3 293 km
1986 Charley Category 1 211 km
1985 Gloria Category 2 201 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

468 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 13 fatalities, 396 injuries.

Date Rating Distance Fatalities
Apr 28, 2002 EF4 51 km 3
Apr 1, 2023 EF3 96 km 1
Sep 17, 2004 EF3 99 km 0
Apr 28, 2002 EF3 62 km 0
Sep 24, 2001 EF3 22 km 2
Jul 19, 1996 EF3 75 km 0
Sep 5, 1979 EF3 30 km 1
Jan 26, 1978 EF3 63 km 1
Apr 1, 1973 EF3 51 km 0
Nov 2, 1966 EF3 99 km 0
Jun 9, 1961 EF3 40 km 0
Sep 1, 2021 EF2 13 km 0
Aug 4, 2020 EF2 97 km 0
Nov 2, 2018 EF2 66 km 0
Jul 23, 2017 EF2 36 km 0
May 8, 2008 EF2 87 km 0
Sep 18, 2004 EF2 99 km 0
Sep 17, 2004 EF2 89 km 0
Sep 17, 2004 EF2 94 km 0
Sep 17, 2004 EF2 59 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

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

Year Name Acres Distance
2017 BESTPITCH 7,743 83 km
2004 RETAINING ECOLOGICAL HEALTH 5,678 78 km
2014 BLACKWATER MARSH WUI BURNS FY14 5,433 79 km
2005 MARSH RX-FWS 4,380 79 km
2007 GUINEA MARSH 4,173 86 km
2009 DOCTORS CREEK 3,686 86 km
1999 FB R O C I 3,525 82 km
2019 MDBWR-FY19-RX-MDWHS SUPPORT 3,197 80 km
2011 COMPARTMENT J 2,775 80 km
2005 ISLAND CREEK 2,729 87 km
2004 UNNAMED 2,156 87 km
1992 UNNAMED 2,038 82 km
2005 VEGETATION RESEARCH 1,926 82 km
2011 THOROFARE 1,850 82 km
1987 UNNAMED 1,692 77 km
2004 ROBBINS FIRE 1,612 81 km
2004 BLACKWATER HAZARD FUEL REDUCTION 1,518 71 km
2009 BECKERS ISLAND 1,398 82 km
2022 ELLIOTTS ISLAND 1,324 87 km
2006 UNNAMED 1,260 78 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 3.3 in Coldest
February 36°F (2°C) 2.8 in Driest
March 45°F (7°C) 3.9 in
April 54°F (12°C) 3.4 in
May 64°F (18°C) 4.4 in Wettest
June 72°F (22°C) 3.7 in
July 78°F (25°C) 4.2 in Warmest
August 75°F (24°C) 4.0 in
September 69°F (20°C) 3.9 in
October 57°F (14°C) 3.4 in
November 47°F (9°C) 3.4 in
December 38°F (4°C) 3.4 in

Brock Hall has a seasonal temperature swing of 43°F / from 34°F in January to 78°F in July. Total annual precipitation is 43.6 inches, with May being the wettest month (4.4") and February the driest (2.8").

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