ZIP code 20121 is in Fairfax County, Virginia. About 27,788 people live here in 9,891 households. The median home value is $520,200 and the median household income $129,947. The average commute takes about 32 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
99%of households have broadbandhome internet subscription
20121 in VirginiaZIP codes coloured by median household income
20121
<$45K$125K+
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files
People.
27,788 residents in 9,891 households, next to the Fairfax County figure.
21%
under 18
HereFairfax County
27%
aged 18–34
HereFairfax County
9%
aged 65 and over
HereFairfax County
22%
of households are people living alone
HereFairfax County
50%
of households are married couples
HereFairfax County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
10,057 housing units; the median owner-occupied home is valued at $520,200 (±$28,782).
70%
of households own their home
HereFairfax County
18%
of homes are detached single-family houses
HereFairfax County
21%
are in buildings with 5 or more units
HereFairfax County
0%
are mobile homes
HereFairfax County
2%
of housing units are vacant
HereFairfax County
$2,289
median gross rent a month
HereFairfax County
When homes were built
2020 or later0%
2010–20193%
2000–200912%
1990–199937%
1980–198938%
1970–19798%
1960–19691%
1950–19591%
1940–19490%
1939 or earlier1%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Income and work.
Household income and work, in 2024 dollars; median household income ±$10,282.
$129,947
median household income
HereFairfax County
8.8%
of people live below the poverty line
HereFairfax County
3.4%
unemployment rate
HereFairfax County
54%
of adults 25+ hold a bachelor’s degree or higher
HereFairfax County
The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Getting around.
How workers aged 16 and over get to work, and how long it takes.
32 min
average commute to work
HereFairfax County
18%
of commuters travel 45 minutes or more
HereFairfax County
74%
of workers drive or carpool
HereFairfax County
2%
take public transportation
HereFairfax County
1%
walk or bike
HereFairfax County
21%
work from home
HereFairfax County
3%
of households have no car
HereFairfax County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
99%
of households have a broadband subscription
HereFairfax County
1%
have no internet access at home
HereFairfax County
American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Businesses in 20121.
629 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets6
Convenience stores3
Pharmacies and drug stores0
Retail bakeries0
Full-service restaurants41
Limited-service restaurants44
Coffee shops and snack bars15
Bars0
Physicians’ offices15
Dentists’ offices32
Child care centers9
Gyms and fitness centers0
Movie theaters0
Museums0
Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
Health.
Estimated share of adults in 20121, next to the national figure.
75%
had a routine checkup in the past year
HereUnited States
71%
visited a dentist in the past year
HereUnited States
8%
of 18–64s have no health insurance
HereUnited States
20%
get no leisure-time physical activity
HereUnited States
37%
usually sleep less than 7 hours
HereUnited States
9%
smoke
HereUnited States
23%
have obesity
HereUnited States
10%
have diagnosed diabetes
HereUnited States
26%
have high blood pressure
HereUnited States
14%
report fair or poor general health
HereUnited States
13%
report frequent mental distress
HereUnited States
35%
often feel lonely
HereUnited States
11%
faced food insecurity in the past year
HereUnited States
9%
faced housing insecurity in the past year
HereUnited States
6%
lacked reliable transportation in the past year
HereUnited States
These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.
Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain
Nearest public schools.
In a straight line from the center of the ZIP code. Attendance zones are set by each school district.
Centreville ElementaryCentreville1.3 mi
Centre Ridge ElementaryCentreville1.4 mi
Bull Run Early Childhood Resource CenterCentreville1.4 mi
Bull Run ElementaryCentreville1.4 mi
Yorkshire ElementaryManassas1.5 mi
Source: National Center for Education Statistics, EDGE public school locations 2024–25
Nearby ZIP codes.
ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.
20121