20124 ZIP Code — Clifton, VA

Fairfax County, Virginia

ZIP code 20124 is located in Clifton, Virginia, within Fairfax County. It covers approximately 21.69 square miles and serves a population of 15,117 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 703/571.

About ZIP code 20124

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $851,100. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($208,125) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 75% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20124 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

15,117

population

21.69

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20124 ZIP code map

Cities in ZIP code 20124

Below are the cities the US Postal Service accepts for ZIP code 20124. Using any city not on this list may result in mail delivery delays.

City	Status
Clifton	Preferred

Nearby ZIP codes

20111 Manassas (2.8 mi) 22036 Fairfax (2.9 mi) 20121 Centreville (4.8 mi) 22030 Fairfax (4.9 mi) 22015 Burke (5.5 mi) 20110 Manassas (5.8 mi) 22032 Fairfax (6.2 mi) 22035 Fairfax (6.4 mi) 22033 Fairfax (7.2 mi) 20120 Centreville (7.2 mi) 22192 Woodbridge (7.9 mi) 20112 Manassas (8.1 mi)

Demographics updated 05/2026

Population
Total population	15,117
Population density	697 / sq mi
State FIPS	51
County FIPS	059

Geography
Land area	21.69 sq mi
Water area	0.64 sq mi
Latitude	38.7760
Longitude	-77.3881
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	4.8%	16.6%	32.9%
$50k – $100k	14.3%	22.2%	29.2%
$100k – $200k	33.4%	34.9%	26.3%
Over $200k	47.5%	26.4%	11.6%

Demographics & statistics

15,117

Population

697

People per sq mi

46.8

Median age

$208,125

Median household income

$89,683

Per capita income

$851,100

Median home value

$2,146

Median monthly rent

90.8%

Home ownership

3.7%

Poverty rate

3.4%

Unemployment

4,660

Housing units

75.0%

Bachelor's or higher

Age distribution

Male Female

339

Under 5

341

492

5–9

495

543

10–14

547

552

15–19

557

453

20–24

457

468

25–34

472

762

35–44

768

1,197

45–54

1,206

633

55–59

639

738

60–64

743

895

65–74

902

370

75–84

373

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,431	22.7%
18 and over	11,686	77.3%
65 and over	2,715	18.0%
Median age	46.8 years

Race & ethnicity

White 57.4%

Asian 25.3%

Two or more races 7.7%

Hispanic or Latino 4.4%

Black or African American 3.2%

Other race 1.9%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	9,068	57.4%
Asian	4,005	25.3%
Two or more races	1,223	7.7%
Hispanic or Latino	693	4.4%
Black or African American	503	3.2%
Other race	295	1.9%
Native Hawaiian / Pacific Islander	23	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	4.8%	16.6%	32.9%
$50k – $100k	14.3%	22.2%	29.2%
$100k – $200k	33.4%	34.9%	26.3%
Over $200k	47.5%	26.4%	11.6%

Under $10k 1.8%

$10k–$15k 1.1%

$15k–$25k 0.7%

$25k–$35k 1.1%

$35k–$50k 1.7%

$50k–$75k 3.6%

$75k–$100k 7.6%

$100k–$150k 15.1%

$150k–$200k 14.2%

$200k+ 53.1%

Range	% of households
Under $10k	1.8%
$10k–$15k	1.1%
$15k–$25k	0.7%
$25k–$35k	1.1%
$35k–$50k	1.7%
$50k–$75k	3.6%
$75k–$100k	7.6%
$100k–$150k	15.1%
$150k–$200k	14.2%
$200k+	53.1%
Median income	$208,125

Housing

Home values

Under $50k 0.3%

$200k–$300k 3.0%

$300k–$500k 9.7%

$500k–$1M 64.4%

$1M+ 22.6%

Housing overview

Metric	Value
Median home value	$851,100
Median rent / month	$2,146
Owner occupied	90.8%
Renter occupied	9.2%
Vacant	1.2%
Single-family detached	80.7%
Large apartment buildings	0.2%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.01

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	8.6%
1990–1999	32.8%
1980–1989	43.1%
1970–1979	8.2%
1960–1969	1.7%
1950–1959	0.8%
1940–1949	0.1%
1939 or earlier	2.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	3.3%
2 bedrooms	7.0%
3 bedrooms	17.4%
4 bedrooms	42.6%
5+ bedrooms	29.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.5%
1 vehicle	13.7%
2 vehicles	49.0%
3 or more	35.8%

Heating fuel

Fuel type	%
Utility gas	58.1%
Electricity	31.0%
Propane / LP gas	5.9%
Fuel oil	4.6%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,137	81.8%
Cohabiting couple	53	1.0%
Male householder, no spouse	348	6.9%
Female householder, no spouse	522	10.3%
Households with children under 18	1,815	35.9%
Households with seniors (65+)	1,878	37.1%
Average household size	2.99

Marital status

Status	Male	Female
Never married	25.1%	22.9%
Married	70.8%	68.7%
Separated	0.2%	0.5%
Widowed	1.9%	4.1%
Divorced	2.1%	3.8%

Education

Less than 9th grade 1.5%

Some HS, no diploma 0.7%

HS graduate 8.8%

Some college, no degree 9.5%

Associate's degree 4.5%

Bachelor's degree 41.7%

Graduate / professional 33.3%

Metric	%
HS diploma or higher	97.7%
Bachelor's or higher	75.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	230	5.8%
Kindergarten	205	5.2%
Elementary school	1,655	41.9%
High school	981	24.8%
College / grad school	880	22.3%

Employment

Industry of employment

Professional & management 26.7%

Education & healthcare 21.2%

Finance & real estate 11.6%

Public administration 10.1%

Retail trade 6.7%

Arts, food & hospitality 6.1%

Construction 4.6%

Manufacturing 4.2%

Other services 4.1%

Information 2.7%

Transportation & utilities 1.8%

Wholesale trade 0.2%

Occupation

Category	%
Management, business & arts	74.2%
Service	6.9%
Sales & office	14.7%
Natural resources & construction	2.9%
Production & transportation	1.4%

Employment type

Type	%
Private sector	74.4%
Government	20.9%
Self-employed	4.3%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	66.5%
Carpool	2.8%
Public transit	2.5%
Walk	1.2%
Work from home	25.4%
Other means	1.7%
Avg commute (minutes)	33.6

Poverty

All people 3.7%

Under 18 years 3.7%

18 and over 3.6%

Married-couple families 3.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.1%
Retirement income	34.8%
Supplemental Security	2.8%
Cash public assistance	4.1%
Food stamps / SNAP	1.1%

Health indicators

Condition	%
Obesity	21.7%
High blood pressure	27.2%
High cholesterol	33.0%
Diabetes	7.6%
Heart disease	4.0%
Stroke	1.8%
Asthma	7.9%
Arthritis	20.1%
Kidney disease	2.0%
Pulmonary disease	3.8%
Cancer	6.0%

Behavior / access	%
Smoking	8.9%
Binge drinking	16.4%
No physical activity	13.4%
Less than 7 hrs sleep	30.1%
Depression	16.3%
Fair or poor health	8.0%
Poor mental health	10.4%
Poor physical health	6.4%
No health insurance	7.7%
Visited doctor (checkup)	73.7%
Visited dentist	78.9%
Cholesterol screening	93.7%
Teeth loss	4.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,272	10.9%

Disability	%
Any disability	7.1%
Under 18	3.5%
18–64 years	3.9%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	92.2%
Public insurance	22.0%
No insurance	2.5%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,437	95.5%
Spanish	1,350	9.4%
Other Indo-European	116	0.8%
Asian & Pacific Islander	165	1.1%
Other languages	932	6.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,578	76.6%
Born in same state	11,138	73.7%
Born in different state	4,844	32.0%
Foreign born	440	2.9%
Naturalized citizen	3,539	23.4%
Not a US citizen	2,932	82.8%

Ancestry

Ancestry	Count	%
Italian	2,029	13.4%
French	1,913	12.7%
Arab	476	3.1%
Polish	212	1.4%
Irish	127	0.8%

Ancestry	Count	%
English	105	0.7%
German	89	0.6%
Dutch	59	0.4%
Norwegian	21	0.1%

Technology access

Metric	% of households
Computer access	33.5%
Internet access	98.8%

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

Frequently asked questions about ZIP code 20124

What city is ZIP code 20124 in?

ZIP code 20124 is primarily assigned to Clifton, Virginia.

What county is ZIP code 20124 in?

ZIP code 20124 falls within Fairfax County, Virginia.

How educated is the population of ZIP code 20124?

75% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 20124 mostly owner-occupied?

91% of occupied units in ZIP code 20124 are owner-occupied, well above the national average.

Does ZIP code 20124 have a large veteran population?

11% of civilians in ZIP code 20124 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20124?

The median household income in ZIP code 20124 is $208,125, above the national median of ~$75,000.

What timezone is ZIP code 20124 in?

ZIP code 20124 observes the EST timezone.