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Area data

Gunpowder, MD — ZIP 21010

Population: 239 (Census ACS)

FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with winterweather, coldwave, drought the top-rated hazards. Cost of living is 5.0% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

Home values & appreciation

House Price Index (state)
367.5 (+0.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Affordability

Cost of living index (Above Average)
105.0 (100 = US avg)
Electricity rate (state-level)
19.5¢/kWh
Natural gas rate (state-level)
$16.10/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
winterWeather, coldWave, drought, heatWave, hurricane
Notable hazard ratings (county)
coastalFlooding: Relatively Low · coldWave: Relatively Moderate · drought: Relatively Moderate · earthquake: Relatively Low · heatWave: Relatively Moderate · hurricane: Relatively Moderate
Wildfire risk to homes (county)
Higher than 12% of US counties
Buildings in wildfire direct-exposure zone
58.4%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
1
Nearest Superfund site
Aberdeen Proving Ground (Edgewood Area) (1.2 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Annual precipitation
49.4 in
USDA plant hardiness zone
8a (extreme annual low 10 to 15°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
42
Days with Good air quality
262
Days with Moderate air quality
95
Days with Unhealthy air quality
1
Highest AQI recorded (year)
154

Source: EPA air quality data (nearest monitoring station, annual)

Amenities

National parks within ~60 mi
49
Nearest national park
Hampton National Historic Site (16 mi)
National parks include
Hampton National Historic Site, Fort McHenry National Monument and Historic Shrine, Star-Spangled Banner National Historic Trail
Airports within 30 mi
45
Nearest airport
Weide (Aberdeen Proving Ground) Army Heliport (1 mi)
Nearest major airport
Martin State Airport (MTN) (7 mi)
Hospitals nearby (~15 mi)
49
Hospitals include
CHRISTIANA HOSPITAL, NEMOURS CHILDREN'S HOSPITAL, DELAWARE, DELAWARE PSYCHIATRIC CENTER
Avg hospital rating (CMS)
3.2 / 5
Best hospital rating nearby (CMS)
5.0 / 5
EV charging stations (within 10 mi)
30
Solar radiation rating
Fair (4.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1,938
Housing built before 1970
91.5%
Housing built 2000 or later
0.0%
Households with broadband internet
100.0%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
73,473
Average weekly wage
$1,116
Top industries (by employment)
Health Care, Accommodation & Food, Professional Services
Annual residential building permits (county)
777

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the natural-hazard risk in ZIP 21010?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: winterWeather, coldWave, drought, heatWave, hurricane.
What is the wildfire risk in ZIP 21010?
Risk to homes is higher than 12% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 21010?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 21010?
1 current or proposed National Priorities List site within 5 miles (EPA). Nearest site: Aberdeen Proving Ground (Edgewood Area), 1.2 mi.
What is the air quality in ZIP 21010?
Good. Median AQI: 42. (EPA AQI).
What is the cost of living in ZIP 21010?
Regional Price Parity: 105.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

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