Chantilly, VA 20151 ZIP Code Profile

Related Place Profiles:
Chantilly, VA

ZIP Code 20151: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Chantilly, VA 20151

Acceptable Alternative
Fairfax, VA 20151

  • ZIP Code Type: STANDARD
  • County: Fairfax County
  • Centroid: Latitude 38.888, Longitude -77.454
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,863
  • PO Box Addresses: 0
  • Residential Addresses: 6,764
    • Multi-Family Addresses: 564
    • Single Family Addresses: 6,200

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


20151 ZIP Code Map

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Chantilly, VA 20151 Data & Demographics (As of July 1, 2017)


Total Population 23,360
Daytime Population: Workers 45,808
Daytime Population: Residents 10,555
Total Daytime Population (TDP) 56,363
Ratio TDP/Total Population1 2.41
Population in Households 23,340
Population in Familes 20,898
Population in Group Qrtrs 20
Population Density2 1,667
Diversity Index3 73


Median Household Income $132,578
Average Household Income $166,834
Per Capita Income $51,669


Total Housing Units 7,408 (100%)
Owner Occupied HU 5,841 (78.8%)
Renter Occupied HU 1,390 (18.8%)
Vacant Housing Units 177 ( 2.4%)
Median Home Value $501,919
Average Home Value $502,161


Total Households 7,231
Average Household Size 3.23
Family Households 5,992
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.41% 0.48%
Households 0.31% 0.43%
Families 0.25% 0.38%
Median Household Income   1.79%
Per Capita Income   1.88%

Chantilly, VA 20151 - Peer Comparisons by Rank and Percentile

The table below compares 20151 to the other 870 ZIP Codes in Virginia by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 143 84th
Population Density # 138 84th
Diversity Index # 31 97th
Median Household Income # 22 98th
Per Capita Income # 58 93rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Virginia Census Data Comparison Tool.

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