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Harrington, DE
Full City Profile · Delaware · Caroline County County
3.2
/5.0
B
Good
3,805
Population
1,399/sq mi density
$72,606
Median Income
$31,534 per capita
$222,100
Home Value
$268,986 Zillow
$1,136
Median Rent
30.6% income on rent
55°F
Avg Temperature
293 sunny days/yr
958
Violent Crime/100K
2,108 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$72,606 median income, 4.4% unemployment
A+
Affordability
5.0 / 5.0
$222,100 home value, $1,136/mo rent
F
Safety
1.0 / 5.0
958 violent crimes/100K (152% above avg)
C+
Education
2.9 / 5.0
23.3% bachelor's degree or higher
Harrington experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.3 inches. The area receives 12.8 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
35°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 2.7 sq mi (7.0 km²) |
| Population Density | 1,399/sq mi |
| Coordinates | 38.9241°N, 75.5718°W |
| Timezone | America/New_York |
| County | Caroline County County |
| Nearest Airport | Cambridge-Dorchester Regional (CGE) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.7 / 100 |
| Social Vulnerability | 58.7 / 100 |
| Community Resilience | 56.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively 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 | - | - | 103 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.8 in | Coldest |
| February | 36°F (2°C) | 3.0 in | Driest |
| March | 44°F (7°C) | 4.3 in | |
| April | 53°F (12°C) | 3.5 in | |
| May | 63°F (17°C) | 4.1 in | |
| June | 72°F (22°C) | 3.6 in | |
| July | 77°F (25°C) | 4.3 in | Warmest, Wettest |
| August | 75°F (24°C) | 4.3 in | |
| September | 68°F (20°C) | 4.0 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 48°F (9°C) | 3.3 in | |
| December | 39°F (4°C) | 3.5 in |
Harrington has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in July. Total annual precipitation is 44.9 inches, with July being the wettest month (4.3") and February the driest (3.0").