US ZIP Code
20121

Centreville, VA

Fairfax County  ·  Virginia

● Active
👥 27,507 Population ↓ 7% since 2019
💰 $133,024 Median HH Income
▲ 74% above avg ↑ 27% since 2019
🎂 35.5 Median Age ↑ 2% since 2019
🏠 $488,200 Median Home Value
▲ 75% above avg ↑ 29% since 2019
🎓 61.6% College Grads
▲ 59% above avg
📊 3.6% Unemployment
▼ 27% below avg ↑ 15% since 2019
ZIP Code Details
ZIP Code20121
CityCentreville
StateVirginia (VA)
CountyFairfax County
Area Code571/703
Elevation218 ft
Latitude38.811033
Longitude-77.462944
TimezoneNew York (DST)
FIPS51059
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.7% (14,504) Female 47.3% (13,003) ♀

Race & Ethnicity

White: 36.1%Hispanic: 23.3%Black: 9%Asian: 26%Other: 4.9%Race
White36.1%
Hispanic23.3%
Black9.0%
Asian26.0%
Other4.9%

Age Breakdown

Under 5
5%
5–17
18%
18–24
9%
25–44
35%
45–64
25%
65+
5%

Key Indicators

Median Age35.5 yrs ↑ 2% since 2019
Avg Household Size2.83
Below Poverty6.2% ▼ 38% below avg
College Grads61.6% ▲ 59% above avg
Unemployment3.6% ▼ 27% below avg
No HS Diploma280 (1.6%)
HS Graduate3,182 (17.6%)
Some College1,184 (6.6%)
Associates2,282 (12.6%)
Bachelors1,370 (7.6%)
Graduate Degree9,748 (54%)

Education

No HS: 1.6%HS Grad: 17.6%Some College: 6.6%Associates: 12.6%Bachelors: 7.6%Graduate: 54%Edu
No HS1.6%
HS Grad17.6%
Some College6.6%
Associates12.6%
Bachelors7.6%
Graduate54.0%
Housing & Income

Housing Tenure

Owner: 71%Renter: 29%Tenure
Owner71.0%
Renter29.0%

Home Value Distribution

Under $50k
2%
$50k–100k
0%
$150k–200k
1%
$200k–300k
8%
$300k–500k
44%
Over $500k
45%

Financials

Median HH Income$133,024 ▲ 74% above avg ↑ 27% since 2019
Median Home Value$488,200 ▲ 75% above avg ↑ 29% since 2019
Home/Income Ratio3.7x (nat avg ~3.5x)
Median Rent$2,240/mo ↑ 22% since 2019
Total Units9,968
Vacant Units265
Avg HH Size2.83

Income Distribution

Under $25k
5%
$25k–50k
6%
$50k–75k
10%
$75k–100k
11%
$100k–150k
24%
$150k–200k
18%
Over $200k
26%
Employment & Commute

How People Get to Work

Drove Alone
76%
Public Transit
2%
Walked
2%
Work From Home
21%

Commute Time

Under 15 min
14%
15–30 min
41%
30–45 min
26%
Over 45 min
19%
Housing Stock

Year Built

1940s–1950s
1%
1960s–1970s
22%
1980s–1990s
25%
2000+
51%

Summary

Total Units9,968
Vacant265
Owner Occupied71.0%
Renter Occupied29.0%
Avg HH Size2.83
Frequently Asked Questions
ZIP code 20121 is in Centreville, VA, in Fairfax County.
ZIP code 20121 is located in Virginia (VA).
ZIP code 20121 is in Fairfax County, VA.
ZIP 20121 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20121 is 27,507 people (ACS 2023).
The median household income in ZIP code 20121 is $133,024 (ACS 2023).
The median home value in ZIP 20121 is $488,200 (ACS 2023).
About ZIP Code 20121

ZIP code 20121 is located in Centreville, Virginia, within Fairfax County. With a population of 27,507, this is a moderately populated ZIP code with a relatively young community — the median age is 35.5 years. Economically, 20121 is a upper-middle-income ZIP code: the median household income of $133,024 is significantly above the national average.

Real estate in ZIP code 20121 represents a premium housing market. The median home value of $488,200 is significantly above the national average. Renters can expect to pay around $2,240 per month in median rent. Homeownership is strong here — 71.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 20121 is racially diverse, with White as the largest group at 36.1%. Residents are highly educated — 61.6% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.2%. Household income has grown by 27% since 2019.

The unemployment rate in 20121 stands at 3.6%, which is below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 20121 in Centreville, VA is characterized as upper-middle-income, highly educated, a relatively young community, and predominantly owner-occupied. With 27,507 residents, a median household income of $133,024, and a median home value of $488,200, it offers a clear picture of life in this part of Virginia.