US ZIP Code
20151

Chantilly, VA

Fairfax County  ·  Virginia

● Active
👥 22,502 Population ↓ 2% since 2019
💰 $143,422 Median HH Income
▲ 88% above avg ↑ 14% since 2019
🎂 40.7 Median Age ↑ 5% since 2019
🏠 $647,400 Median Home Value
▲ 132% above avg ↑ 24% since 2019
🎓 66.5% College Grads
▲ 72% above avg
📊 2.7% Unemployment
▼ 45% below avg ↓ 28% since 2019
ZIP Code Details
ZIP Code20151
CityChantilly
StateVirginia (VA)
CountyFairfax County
Area Code571/703
Elevation278 ft
Latitude38.897187
Longitude-77.443874
TimezoneNew York (DST)
FIPS51059
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.9% (11,447) Female 49.1% (11,055) ♀

Race & Ethnicity

White: 33.1%Hispanic: 22.1%Black: 3.7%Asian: 37.3%Other: 3.4%Race
White33.1%
Hispanic22.1%
Black3.7%
Asian37.3%
Other3.4%

Age Breakdown

Under 5
5%
5–17
20%
18–24
9%
25–44
23%
45–64
29%
65+
6%

Key Indicators

Median Age40.7 yrs ↑ 5% since 2019
Avg Household Size3.25
Below Poverty6.4% ▼ 36% below avg
College Grads66.5% ▲ 72% above avg
Unemployment2.7% ▼ 45% below avg
No HS Diploma276 (2%)
HS Graduate2,291 (16.9%)
Some College796 (5.9%)
Associates1,164 (8.6%)
Bachelors977 (7.2%)
Graduate Degree8,024 (59.3%)

Education

No HS: 2%HS Grad: 16.9%Some College: 5.9%Associates: 8.6%Bachelors: 7.2%Graduate: 59.3%Edu
No HS2.0%
HS Grad16.9%
Some College5.9%
Associates8.6%
Bachelors7.2%
Graduate59.3%
Housing & Income

Housing Tenure

Owner: 79.5%Renter: 20.5%Tenure
Owner79.5%
Renter20.5%

Home Value Distribution

Under $50k
1%
$50k–100k
5%
$100k–150k
1%
$200k–300k
3%
$300k–500k
17%
Over $500k
72%

Financials

Median HH Income$143,422 ▲ 88% above avg ↑ 14% since 2019
Median Home Value$647,400 ▲ 132% above avg ↑ 24% since 2019
Home/Income Ratio4.5x (nat avg ~3.5x)
Median Rent$2,245/mo ↑ 23% since 2019
Total Units6,966
Vacant Units46
Avg HH Size3.25

Income Distribution

Under $25k
7%
$25k–50k
6%
$50k–75k
10%
$75k–100k
10%
$100k–150k
19%
$150k–200k
14%
Over $200k
35%
Employment & Commute

How People Get to Work

Drove Alone
71%
Public Transit
2%
Walked
3%
Work From Home
24%

Commute Time

Under 15 min
21%
15–30 min
35%
30–45 min
25%
Over 45 min
19%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
4%
1960s–1970s
27%
1980s–1990s
15%
2000+
53%

Summary

Total Units6,966
Vacant46
Owner Occupied79.5%
Renter Occupied20.5%
Avg HH Size3.25
Frequently Asked Questions
ZIP code 20151 is in Chantilly, VA, in Fairfax County.
ZIP code 20151 is located in Virginia (VA).
ZIP code 20151 is in Fairfax County, VA.
ZIP 20151 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20151 is 22,502 people (ACS 2023).
The median household income in ZIP code 20151 is $143,422 (ACS 2023).
The median home value in ZIP 20151 is $647,400 (ACS 2023).
About ZIP Code 20151

ZIP code 20151 is located in Chantilly, Virginia, within Fairfax County. With a population of 22,502, this is a moderately populated ZIP code with a middle-aged community — the median age is 40.7 years. Economically, 20151 is a upper-middle-income ZIP code: the median household income of $143,422 is significantly above the national average.

Real estate in ZIP code 20151 represents a premium housing market. The median home value of $647,400 is more than double the national average. Renters can expect to pay around $2,245 per month in median rent. Homeownership is strong here — 79.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 24% since 2019.

The population of 20151 is racially diverse, with Asian as the largest group at 37.3%. Residents are highly educated — 66.5% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.4%. Household income has grown by 14% since 2019.

The unemployment rate in 20151 stands at 2.7%, which is below the national average. About 20% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 59%.

Overall, ZIP code 20151 in Chantilly, VA is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 22,502 residents, a median household income of $143,422, and a median home value of $647,400, it offers a clear picture of life in this part of Virginia.