PlainZIP

Chantilly, VA · standard

ZIP Code 20151

Fairfax County, Virginia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

21,374
533/sq mi
$158,271
Median income
$676,800
Median home value
59.3%
Bachelor's or higher

The verdict

Chantilly pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 3%
household income, US ZIPs
Top 7%
home value, US ZIPs
533
people per sq mi
81%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20151 against every reporting US ZIP.

ZIP code 20151 is a densely settled ZIP (a standard USPS delivery area) in Chantilly, Fairfax County, Virginia, with 21,374 residents across 40.1 square miles, a density of 533 people per square mile, in the New York time zone.

ZIP 20151 skews affluent, with a median household income of $158,271 (85% above the Virginia average), while per-capita income is $60,395. The poverty rate stands at 6.2% and the unemployment rate at 3.1%. On housing, the median home value is $676,800 (102% above the state average) with median rent at $2,280 per month, and 81.0% of occupied units are owner-occupied.

This is a highly-educated ZIP: 59.3% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is 28 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 20151, plus 6 more within Fairfax County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 20151

Top 5 sectors by establishment count in Chantilly, VA

Which industries have the most business establishments in ZIP 20151.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 20151, Chantilly, VA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

21,374

Population

40.1

Area (sq mi)

533

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 20151?

41.5

Median Age

51.3%

Male

48.7%

Female

42.1%

Foreign-Born

White 37.1%
African American 3.7%
Asian 38.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 12.3%
Hispanic or Latino 19.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$158,271

Median Household Income

+85% vs state

$60,395

Per Capita Income

6.2%

Poverty Rate

3.1%

Unemployment Rate

28.0 min

Mean Commute Time

How ZIP 20151 ranks nationally

Chantilly, VA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$158,271 Top 3% higher than 97% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 72.7%
Bachelor's Degree or Higher 59.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

7,141

Total Housing Units

7,095

Occupied Units

46

Vacant Units

3.18

Avg Household Size

Occupancy Type

Owner 81.0%
Renter 19.0%

$676,800

Median Home Value

+102% vs state

$2,280

Median Rent

1988

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.0%

YoY Change (2024)

310

HPI Index (2000 = 100)

+210%

Total Change Since 2000

Home values in ZIP 20151 have increased 5.0% over the past year (2024). Since 2000, this ZIP has seen +210% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.5% 225
2021 +8.0% 243
2022 +16.2% 283
2023 +4.4% 295
2024 +5.0% 310

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,988 business establishments in ZIP 20151, employing approximately 64,615 people with a combined annual payroll of $6,105,482,000.

1,988

Businesses

64,615

Employees

$6.1B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 559 28.1%
Construction 207 10.4%
Retail trade 154 7.8%
Accommodation and food services 154 7.8%
Other services (except public administration) 145 7.3%
Health care and social assistance 142 7.1%
Wholesale trade 126 6.3%
Administrative and support and waste management and remediation services 124 6.2%
Real estate and rental and leasing 88 4.4%
Finance and insurance 77 3.9%
Manufacturing 60 3.0%
Information 41 2.1%
Transportation and warehousing 32 1.6%
Educational services 32 1.6%
Arts, entertainment, and recreation 27 1.4%
Management of companies and enterprises 19 1.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 20151 vs 20120 →

ZIP 20151 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 20151 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 20151 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 20151 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
20120 Centreville, VA 40,695 3.3 mi
20171 Herndon, VA 45,887 3.2 mi
22033 Fairfax, VA 37,691 3.5 mi
20152 Chantilly, VA 24,946 3.5 mi
20121 Centreville, VA 27,988 5.5 mi
20166 Sterling, VA 9,521 6.3 mi
22124 Oakton, VA 17,558 6.2 mi
22035 Fairfax, VA 0 5.4 mi
20191 Reston, VA 29,128 5.7 mi
20170 Herndon, VA 41,236 6.8 mi

More ZIP Codes in Fairfax County

22003 standard
Annandale, VA
Pop: 55,990
22030 standard
Fairfax, VA
Pop: 55,066
20171 standard
Herndon, VA
Pop: 45,887
22015 standard
Burke, VA
Pop: 43,102
20170 standard
Herndon, VA
Pop: 41,236
20120 standard
Centreville, VA
Pop: 40,695

Related Areas

Fairfax County Chantilly, VA Virginia

Frequently Asked Questions

What county is ZIP code 20151 in? ▼
ZIP code 20151 (Chantilly) is located in Fairfax County, Virginia. Fairfax County contains multiple ZIP codes, see the full list at /counties/fairfax-va.
What is the population of ZIP code 20151? ▼
ZIP code 20151 in Chantilly, VA has a population of 21,374 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20151? ▼
The median household income in ZIP 20151 is $158,271, which is 107% above the national average of $76,288.
What is the average home value in ZIP 20151? ▼
The median home value in ZIP 20151 is $676,800, which is 143% above the national average of $278,155.
What is the demographic makeup of ZIP 20151? ▼
The largest racial group in ZIP 20151 is Asian at 38.1%. Hispanic or Latino residents make up 19.7% of the population.
How many businesses are in ZIP code 20151? ▼
ZIP code 20151 has 1,988 business establishments employing approximately 64,615 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20151? ▼
The top industries by establishment count in ZIP 20151 are: Professional, scientific, and technical services (559), Construction (207), Retail trade (154). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 20151? ▼
According to the FHFA House Price Index, home values in ZIP 20151 increased by 5.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 210%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 20151? ▼
In ZIP code 20151, 72.7% of residents aged 25+ have a high school diploma or higher, and 59.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 20151? ▼
The mean commute time for workers in ZIP code 20151 is 28.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 20151? ▼
In ZIP code 20151, approximately 81.0% of occupied housing units are owner-occupied and 19.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20151? ▼
The poverty rate in ZIP code 20151 is 6.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.