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Idylwood, VA
Full City Profile · Virginia · Falls Church city County
3.6
/5.0
B+
Good
17,469
Population
6,239/sq mi density
$118,443
Median Income
$65,764 per capita
$708,400
Home Value
$1,207,899 Zillow
$2,022
Median Rent
26.4% income on rent
54°F
Avg Temperature
293 sunny days/yr
130
Violent Crime/100K
1,595 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$118,443 median income, 1.7% unemployment
B
Affordability
3.3 / 5.0
$708,400 home value, $2,022/mo rent
F
Safety
1.0 / 5.0
130 violent crimes/100K
A+
Education
5.0 / 5.0
61.9% bachelor's degree or higher
Idylwood experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 75°F in July. The area gets 293 sunny days per year. Annual precipitation totals 43.6 inches. The area receives 18.5 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
33°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 54.0°F |
| 0% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 440 ft (134 m) |
| Area | 2.8 sq mi (7.3 km²) |
| Population Density | 6,239/sq mi |
| Coordinates | 38.8892°N, 77.2040°W |
| Timezone | America/New_York |
| County | Falls Church city County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 98.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.0 in | Coldest |
| February | 36°F (2°C) | 2.7 in | Driest |
| March | 45°F (7°C) | 3.5 in | |
| April | 55°F (13°C) | 3.2 in | |
| May | 64°F (18°C) | 4.1 in | Wettest |
| June | 72°F (22°C) | 3.6 in | |
| July | 75°F (24°C) | 3.7 in | Warmest |
| August | 75°F (24°C) | 3.7 in | |
| September | 69°F (20°C) | 3.7 in | |
| October | 57°F (14°C) | 3.2 in | |
| November | 47°F (8°C) | 3.4 in | |
| December | 38°F (3°C) | 3.2 in |
Idylwood has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in July. Total annual precipitation is 40.8 inches, with May being the wettest month (4.1") and February the driest (2.7").