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Randallstown, MD
Full City Profile · Maryland · Howard County County
3.5
/5.0
B+
Good
35,975
Population
3,520/sq mi density
$88,544
Median Income
$42,324 per capita
$306,000
Home Value
$364,857 Zillow
$1,537
Median Rent
39.4% income on rent
56°F
Avg Temperature
297 sunny days/yr
45
Violent Crime/100K
472 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$88,544 median income, 4.8% unemployment
A+
Affordability
4.7 / 5.0
$306,000 home value, $1,537/mo rent
F
Safety
1.0 / 5.0
45 violent crimes/100K
B+
Education
3.9 / 5.0
36.4% bachelor's degree or higher
Randallstown enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 78°F in July. The area gets 297 sunny days per year. Air quality is rated Good with a median AQI of 41.
Temperature
35°F Jan (1°C)
78°F Jul (26°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 600 ft (183 m) |
| Area | 10.2 sq mi (26.5 km²) |
| Population Density | 3,520/sq mi |
| Coordinates | 39.3719°N, 76.8019°W |
| Timezone | America/New_York |
| County | Howard County County |
| Nearest Airport | Baltimore/Washington International Thurgood Marshall (BWI) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| NO₂ (Nitrogen Dioxide) | 20.7 ppb |
| CO (Carbon Monoxide) | 0.26 ppm |
| PM2.5 (Fine Particles) | 8.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 72.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 92.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | 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 | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.4 in | |
| February | 34°F (1°C) | 2.9 in | Coldest, Driest |
| March | 43°F (6°C) | 3.9 in | |
| April | 52°F (11°C) | 3.5 in | |
| May | 62°F (17°C) | 4.6 in | Wettest |
| June | 71°F (22°C) | 3.9 in | |
| July | 78°F (26°C) | 4.0 in | Warmest |
| August | 74°F (23°C) | 3.9 in | |
| September | 67°F (20°C) | 4.1 in | |
| October | 56°F (13°C) | 3.5 in | |
| November | 46°F (8°C) | 3.7 in | |
| December | 36°F (2°C) | 3.5 in |
Randallstown has a seasonal temperature swing of 44°F / from 34°F in February to 78°F in July. Total annual precipitation is 44.9 inches, with May being the wettest month (4.6") and February the driest (2.9").