Aberdeen, MD
Full City Profile · Maryland · Harford County County
3.3
/5.0
B
Good
16,831
Population
2,418/sq mi density
$76,019
Median Income
$39,578 per capita
$239,000
Home Value
$345,386 Zillow
$1,339
Median Rent
32.5% income on rent
55°F
Avg Temperature
601
Violent Crime/100K
2,050 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$76,019 median income, 3.6% unemployment
A+
Affordability
4.9 / 5.0
$239,000 home value, $1,339/mo rent
F
Safety
1.0 / 5.0
601 violent crimes/100K (58% above avg)
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Aberdeen experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 33°F in January while summers reach 77°F in July. Annual precipitation totals 47.1 inches. The area receives 18.1 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
33°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.2°F |
| 2% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 131 ft (40 m) |
| Area | 7.0 sq mi (18.0 km²) |
| Population Density | 2,418/sq mi |
| Coordinates | 39.5164°N, 76.1745°W |
| Timezone | America/New_York |
| County | Harford County County |
| Nearest Airport | Baltimore/Washington International Thurgood Marshall (BWI) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 72.2% |
| Unhealthy Days | 6 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0479 ppm |
| PM2.5 (Fine Particles) | 7.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 72.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 91.6 / 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)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 3.3 in | Coldest |
| February | 36°F (2°C) | 2.8 in | Driest |
| March | 43°F (6°C) | 4.1 in | |
| April | 54°F (12°C) | 3.5 in | |
| May | 63°F (17°C) | 4.0 in | |
| June | 72°F (22°C) | 4.3 in | |
| July | 77°F (25°C) | 4.8 in | Warmest, Wettest |
| August | 75°F (24°C) | 4.2 in | |
| September | 69°F (20°C) | 4.8 in | |
| October | 57°F (14°C) | 4.2 in | |
| November | 46°F (8°C) | 3.3 in | |
| December | 38°F (3°C) | 3.9 in |
Aberdeen has a seasonal temperature swing of 44°F / from 33°F in January to 77°F in July. Total annual precipitation is 47.1 inches, with July being the wettest month (4.8") and February the driest (2.8").