20120 ZIP Code — Centreville, VA

Fairfax County, Virginia

ZIP code 20120 is located in Centreville, Virginia, within Fairfax County. It covers approximately 17.98 square miles and serves a population of 43,315 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 703/571.

About ZIP code 20120

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $598,700. Owner-occupancy is high at 75%, well above the national average.

The gap between median ($147,266) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20120 reflects a community defined by a highly educated population and high homeownership.

43,315

population

17.98

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20120 ZIP code map

Cities in ZIP code 20120

Below are the cities the US Postal Service accepts for ZIP code 20120. Using any city not on this list may result in mail delivery delays.

City	Status
Centreville	Acceptable
Centreville	Preferred

Nearby ZIP codes

20151 Chantilly (2 mi) 20121 Centreville (3.1 mi) 20152 Chantilly (3.2 mi) 22036 Fairfax (4.4 mi) 22033 Fairfax (5 mi) 20143 Catharpin (5.4 mi) 20109 Manassas (5.9 mi) 20171 Herndon (6.1 mi) 20102 Dulles (6.6 mi) 22030 Fairfax (6.9 mi) 20124 Clifton (7.2 mi) 20111 Manassas (7.6 mi)

Demographics updated 05/2026

Population
Total population	43,315
Population density	2,409 / sq mi
State FIPS	51
County FIPS	059

Geography
Land area	17.98 sq mi
Water area	0.30 sq mi
Latitude	38.8598
Longitude	-77.4666
Timezone	Eastern (ET)
Area code	703/571

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.8%	16.6%	32.9%
$50k – $100k	19.9%	22.2%	29.2%
$100k – $200k	38.3%	34.9%	26.3%
Over $200k	26.0%	26.4%	11.6%

Demographics & statistics

43,315

Population

2,409

People per sq mi

37.6

Median age

$147,266

Median household income

$59,750

Per capita income

$598,700

Median home value

$2,107

Median monthly rent

75.1%

Home ownership

7.0%

Poverty rate

4.9%

Unemployment

11,137

Housing units

59.8%

Bachelor's or higher

Age distribution

Male Female

1,006

Under 5

1,007

1,560

5–9

1,561

1,536

10–14

1,537

1,741

15–19

1,742

1,501

20–24

1,502

2,585

25–34

2,588

3,464

35–44

3,468

3,024

45–54

3,027

1,343

55–59

1,344

1,444

60–64

1,445

1,653

65–74

1,655

678

75–84

679

112

85+

113

← Male

Female →

Age summary

Group	Count	%
Under 18	10,226	23.6%
18 and over	33,089	76.4%
65 and over	4,890	11.3%
Median age	37.6 years

Race & ethnicity

White 44.8%

Asian 26.1%

Hispanic or Latino 9.8%

Two or more races 9.1%

Black or African American 5.5%

Other race 4.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	21,512	44.8%
Asian	12,529	26.1%
Hispanic or Latino	4,727	9.8%
Two or more races	4,387	9.1%
Black or African American	2,647	5.5%
Other race	2,175	4.5%
American Indian / Alaska Native	52	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.8%	16.6%	32.9%
$50k – $100k	19.9%	22.2%	29.2%
$100k – $200k	38.3%	34.9%	26.3%
Over $200k	26.0%	26.4%	11.6%

Under $10k 3.2%

$10k–$15k 2.0%

$15k–$25k 2.0%

$25k–$35k 3.2%

$35k–$50k 4.5%

$50k–$75k 8.2%

$75k–$100k 9.4%

$100k–$150k 17.9%

$150k–$200k 15.1%

$200k+ 34.5%

Range	% of households
Under $10k	3.2%
$10k–$15k	2.0%
$15k–$25k	2.0%
$25k–$35k	3.2%
$35k–$50k	4.5%
$50k–$75k	8.2%
$75k–$100k	9.4%
$100k–$150k	17.9%
$150k–$200k	15.1%
$200k+	34.5%
Median income	$147,266

Housing

Home values

Under $50k 0.4%

$100k–$150k 0.2%

$150k–$200k 0.1%

$200k–$300k 2.3%

$300k–$500k 31.4%

$500k–$1M 58.1%

$1M+ 7.5%

Housing overview

Metric	Value
Median home value	$598,700
Median rent / month	$2,107
Owner occupied	75.1%
Renter occupied	24.9%
Vacant	2.6%
Single-family detached	44.7%
Large apartment buildings	7.5%
Mobile homes	0.0%
Median rooms	6.9
Avg household size (owned)	3.18

Year built

Era	%
2020 or later	0.0%
2010–2019	5.9%
2000–2009	18.5%
1990–1999	28.6%
1980–1989	33.0%
1970–1979	8.1%
1960–1969	4.9%
1950–1959	0.5%
1940–1949	0.1%
1939 or earlier	0.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	9.0%
2 bedrooms	12.4%
3 bedrooms	33.0%
4 bedrooms	30.5%
5+ bedrooms	14.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	21.4%
2 vehicles	45.3%
3 or more	29.5%

Heating fuel

Fuel type	%
Utility gas	68.9%
Electricity	28.0%
Propane / LP gas	2.0%
Fuel oil	0.6%
Wood	0.3%

Households & families

Household type	Count	%
Married-couple family	9,449	65.9%
Cohabiting couple	468	3.3%
Male householder, no spouse	1,886	13.2%
Female householder, no spouse	2,532	17.7%
Households with children under 18	5,706	39.8%
Households with seniors (65+)	3,457	24.1%
Average household size	3.02

Marital status

Status	Male	Female
Never married	35.7%	29.8%
Married	58.8%	57.2%
Separated	0.6%	1.0%
Widowed	1.1%	3.5%
Divorced	3.8%	8.5%

Education

Less than 9th grade 2.8%

Some HS, no diploma 2.3%

HS graduate 15.5%

Some college, no degree 14.2%

Associate's degree 5.4%

Bachelor's degree 31.5%

Graduate / professional 28.3%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	59.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	693	5.5%
Kindergarten	634	5.0%
Elementary school	4,590	36.6%
High school	3,184	25.4%
College / grad school	3,457	27.5%

Employment

Industry of employment

Professional & management 29.2%

Education & healthcare 17.3%

Retail trade 10.7%

Public administration 9.1%

Finance & real estate 7.3%

Arts, food & hospitality 6.8%

Other services 5.4%

Construction 4.4%

Manufacturing 3.2%

Transportation & utilities 3.1%

Information 2.1%

Wholesale trade 1.2%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	60.5%
Service	12.0%
Sales & office	17.8%
Natural resources & construction	3.6%
Production & transportation	6.1%

Employment type

Type	%
Private sector	76.5%
Government	18.0%
Self-employed	4.8%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	69.5%
Carpool	8.9%
Public transit	2.1%
Walk	0.8%
Work from home	17.7%
Other means	0.9%
Avg commute (minutes)	29.1

Poverty

All people 7.0%

Under 18 years 7.6%

18 and over 6.9%

Married-couple families 3.9%

Female-led households 21.3%

Income support

Source	% of households
Social Security	20.9%
Retirement income	18.9%
Supplemental Security	2.2%
Cash public assistance	1.3%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
Obesity	21.4%
High blood pressure	23.7%
High cholesterol	28.2%
Diabetes	7.0%
Heart disease	3.1%
Stroke	1.6%
Asthma	7.8%
Arthritis	16.1%
Kidney disease	1.7%
Pulmonary disease	3.3%
Cancer	4.3%

Behavior / access	%
Smoking	10.2%
Binge drinking	16.7%
No physical activity	15.1%
Less than 7 hrs sleep	32.3%
Depression	16.0%
Fair or poor health	8.4%
Poor mental health	11.4%
Poor physical health	6.0%
No health insurance	10.5%
Visited doctor (checkup)	70.9%
Visited dentist	74.5%
Cholesterol screening	91.1%
Teeth loss	5.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,910	5.8%

Disability	%
Any disability	6.7%
Under 18	2.9%
18–64 years	4.8%
65 and over	25.2%

Health insurance coverage

Type	%
Private insurance	82.4%
Public insurance	19.3%
No insurance	6.2%
Uninsured under 19	6.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	41,302	95.4%
Spanish	6,665	16.1%
Other Indo-European	1,493	3.6%
Asian & Pacific Islander	506	1.2%
Other languages	3,730	9.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,727	66.3%
Born in same state	27,919	64.5%
Born in different state	15,225	35.1%
Foreign born	808	1.9%
Naturalized citizen	14,588	33.7%
Not a US citizen	9,736	66.7%

Ancestry

Ancestry	Count	%
Italian	3,852	8.9%
French	3,631	8.4%
Arab	1,719	4%
English	203	0.5%
Irish	141	0.3%

Ancestry	Count	%
German	140	0.3%
Polish	130	0.3%
Dutch	109	0.3%
Norwegian	86	0.2%

Technology access

Metric	% of households
Computer access	33.1%
Internet access	98.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20120

What city is ZIP code 20120 in?

ZIP code 20120 is primarily assigned to Centreville, Virginia.

What county is ZIP code 20120 in?

ZIP code 20120 falls within Fairfax County, Virginia.

How educated is the population of ZIP code 20120?

60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 20120?

The median household income in ZIP code 20120 is $147,266, above the national median of ~$75,000.

What is the typical home value in ZIP code 20120?

The median home value in ZIP code 20120 is $598,700.

What is the population of ZIP code 20120?

ZIP code 20120 has an estimated population of 43,315 residents, with a density of 2,409 people per square mile.

What timezone is ZIP code 20120 in?

ZIP code 20120 observes the EST timezone.