Zip Code 20148
Dulles, Virginia — Loudoun County
📍 ZIP code 20148 is in Dulles, Loudoun County, Virginia.
ZIP code 20148 is located in Dulles, Loudoun County, Virginia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 63,615. The area code for ZIP code 20148 is 202.
Quick Answer
Zip code 20148 is in Dulles, Virginia (Loudoun County). It has a population of 63,615, median household income of $233,502, and median home value of $843,800.
Population
63,615
Income
$233,502
Home Value
$843,800
Climate
87°F / 25°F
About Zip Code 20148
Zip code 20148 is located in Dulles, Virginia, within Loudoun County. Home to approximately 63,615 residents, this area sits at an elevation of 390 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 202.
The median household income is $233,502 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $843,800, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 45 in of rain and 10 in of snow annually. The zip code covers 16.3 square miles of land area and 0.6 square miles of water.
Key Statistics
63,615
$233,502
$843,800
Eastern (EST/EDT)
202
390 ft
16.3 sq mi
37.7
20,413
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Compare With Nearby Zip Codes
| Metric | 20148 | 20166 | 20147 | 20105 | 20152 | 20175 |
|---|---|---|---|---|---|---|
| City | Dulles, VA | Sterling, VA | Dulles, VA | Aldie, VA | Chantilly, VA | Leesburg, VA |
| Population | 63,615 | 13,854 | 67,007 | 35,539 | 36,453 | 35,038 |
| Median Income | $233,502 | $135,246 | $161,356 | $202,775 | $191,392 | $168,035 |
| Home Value | $843,800 | $576,400 | $679,600 | $807,400 | $708,400 | $717,700 |
| Cost of Living | 250 | 185 | 219 | 250 | 241 | 227 |
| Median Age | 37.7 | 34.5 | 39.1 | 36.5 | 38.3 | 37.2 |
Cost of Living
100 = National Average. Dulles's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.6x
Demographics
Zip code 20148 has a population of 63,615 people with a median age of 37.7. There are 20,413 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Dulles (20148) population trend from 2010 to 2024
↑ 315.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
45 in
10 in
Dulles experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$843,800
Median Household Income
$233,502
With 20,413 housing units across 16.3 square miles, 20148 has a housing density of 1,252 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
38.9954°
Longitude
-77.5240°
Land Area
16.3 sq mi
Water Area
0.6 sq mi
Nearby Zip Codes
Zip codes closest to 20148 (Dulles, VA) with distances:
All Zip Codes in Dulles, VA
Other zip codes serving Dulles:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20148's $233,502. A way to compare Dulles to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20148 (Dulles, VA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Dulles, Virginia?
Dulles, Virginia uses zip code 20148 along with 1 other zip codes.
What county is zip code 20148 in?
Zip code 20148 is located in Loudoun County, Virginia.
What is the population of zip code 20148?
The population of zip code 20148 is 63,615 with a median age of 37.7.
Is 20148 in Dulles, Virginia?
Yes, zip code 20148 is in Dulles, Loudoun County, Virginia. The area code is 202.
Frequently Asked Questions
What city is zip code 20148 in?
Zip code 20148 is in Dulles, Virginia. It is part of Loudoun County and uses the Eastern (EST/EDT) timezone.
What is zip code 20148?
Zip code 20148 is a U.S. postal code in Dulles, Virginia (Loudoun County). It has a population of 63,615 and covers 16.3 square miles.
What is the population of zip code 20148?
The population of zip code 20148 (Dulles, VA) is 63,615 with a median age of 37.7. There are approximately 20,413 housing units in this area.
What is the median income in zip code 20148?
The median household income in zip code 20148 (Dulles, VA) is $233,502 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 20148?
The median home value in zip code 20148 (Dulles, VA) is $843,800. The cost of living index is 250 compared to the national average of 100.
What county is zip code 20148 in?
Zip code 20148 is located in Loudoun County, Virginia. The primary city is Dulles.
What is the area code for zip code 20148?
Zip code 20148 in Dulles, VA uses area code 202. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20148 a good place to live?
Zip code 20148 (Dulles, VA) has a cost of living index of 250 (100 = national average), a median household income of $233,502, and median home values of $843,800. The median age is 37.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20148?
The cost of living index for zip code 20148 (Dulles, VA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $843,800.
What schools serve zip code 20148?
Zip code 20148 in Dulles, Virginia is served by the local school district of Loudoun County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.