Postal Codes

20124 ZIP Code

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ZIP code 20124 covers Clifton, Virginia, with a population of about 14,557 and a median household income of $218,942.

Population
14,557671 per square mile
Median age
47.28.5 points above the US average
Median household income
$218,9422.4× the Virginia median
Poverty rate
2.8%9.6 points below the US average
Typical home value
$1,018,163up 17.8% in five years
Median rent
$2,3071.5× the Virginia median
Degree or higher
74.5%39.5 points above the US average
Homeownership
92.8%27.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
305

Where 20124 is

Clifton, Virginia — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population14,557
Median age47.2
Family households88.4%
Born outside the US22.6%
Speaks a language other than English at home28.6%
White (non-Hispanic)57.8%
Black (non-Hispanic)2.2%
Asian (non-Hispanic)25.7%
Hispanic or Latino6.2%
Veterans9.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$218,942
Income per person$93,083
Poverty rate2.8%
Households on SNAP or cash assistance4.7%

Household income distribution

Under $10k1.8%
$10–15k0.9%
$15–20k0.1%
$20–25k0.4%
$25–30k0.4%
$30–35k0.7%
$35–40k0.5%
$40–45k0.4%
$45–50k0.8%
$50–60k0.6%
$60–75k4.4%
$75–100k4.6%
$100–125k5.0%
$125–150k7.6%
$150–200k15.9%
$200k or more55.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,210
Mean adjusted gross income$222,812
Returns declaring $200,000 or more33.7%
Returns, under $25k18.4%
Returns, $25k–$50k9.3%
Returns, $50k–$75k8.2%
Returns, $75k–$100k7.1%
Returns, $100k–$200k23.3%
Returns, $200k or more33.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$870,200
Median gross rent$2,307
Owner-occupied92.8%
Vacant homes0.7%
Median year built1989

What the homes are

Detached house83%
Attached house13.4%
2 to 4 units0.6%
5 to 19 units2.8%
20 or more units0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$1,018,163as of 2026-07
Typical home value, 1 yearup 0.3%
Typical home value, 5 yearsup 17.8%
Typical home value, 10 yearsup 53.9%
Typical home value since 2000
200020132026$1,018,163$338,375

$338,375 in 2000 to $1,018,163 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.1%
Bachelor's degree or higher74.5%
High school diploma or higher97.6%
Works from home27.8%
Drives to work alone63.3%
Takes public transport2.1%
Commutes 45 minutes or more23.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity22.5% 10.9 pts below the national average of 33.4%
Diagnosed diabetes10% 2 pts below the national average of 12%
Currently smokes7.2% 6 pts below the national average of 13.2%
High blood pressure29.7% 4.4 pts below the national average of 34.1%
Fair or poor general health11.6% 8.7 pts below the national average of 20.3%
No health insurance (18–64)4.8% 6.5 pts below the national average of 11.3%
Depression18.9% 3 pts below the national average of 21.9%
No leisure-time physical activity16.4% 9 pts below the national average of 25.4%
Arthritis23.2% 1.9 pts below the national average of 25.1%
Binge drinking14.2% 1.8 pts below the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma9.1% 1.3 pts below the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year79.3% 2.6 pts above the national average of 76.7%
Cholesterol screening91.3% 5.4 pts above the national average of 85.9%
Cognitive disability9.3% 5.5 pts below the national average of 14.8%
Colorectal screening70.6% 6.3 pts above the national average of 64.3%
COPD4% 2.6 pts below the national average of 6.6%
Visited a dentist78.6% 17.3 pts above the national average of 61.3%
Any disability20.6% 10.1 pts below the national average of 30.7%
Lacks emotional support18.9% 5.9 pts below the national average of 24.8%
Food insecurity6.1% 11 pts below the national average of 17.1%
Received food stamps3.8% 10.5 pts below the national average of 14.3%
Hearing disability5.1% 1.6 pts below the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity5.4% 8.4 pts below the national average of 13.8%
Independent living disability4.6% 3.8 pts below the national average of 8.4%
Lacks transport3.9% 5.3 pts below the national average of 9.2%
Loneliness30.3% 4.1 pts below the national average of 34.4%
Mammography use81.8% 5.9 pts above the national average of 75.9%
Poor mental health (14+ days)11.4% 5.4 pts below the national average of 16.8%
Mobility disability8.7% 5.3 pts below the national average of 14%
Poor physical health (14+ days)9.7% 3.8 pts below the national average of 13.5%
Self-care disability2.1% 1.9 pts below the national average of 4%
Utility shut-off threat3.4% 5.4 pts below the national average of 8.8%
Sleeps under 7 hours31.9% 4.5 pts below the national average of 36.4%
Stroke2.4% 1 pts below the national average of 3.4%
All natural teeth lost4.1% 8.9 pts below the national average of 13%
Vision disability2.8% 2.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments305
People employed2,463
Annual payroll$151,481,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 53.2% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 9 census tracts this ZIP code covers
Expected annual loss69.8 out of 100
Community resilience47 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide87.7Relatively Low at its worst in this ZIP code
River flooding82.2Relatively High at its worst in this ZIP code
Hurricane74.9Relatively Moderate at its worst in this ZIP code
Winter weather68.6Relatively High at its worst in this ZIP code
Hail68.5Relatively Moderate at its worst in this ZIP code
Earthquake59.2Relatively Low at its worst in this ZIP code
Lightning49.9Relatively Moderate at its worst in this ZIP code
Wildfire48.7Very Low at its worst in this ZIP code
Heat wave46.7Relatively Moderate at its worst in this ZIP code
Strong wind44.4Relatively Moderate at its worst in this ZIP code
Ice storm35.7Relatively Low at its worst in this ZIP code
Cold wave29.2Relatively Low at its worst in this ZIP code
Tornado18.5Very Low at its worst in this ZIP code
Coastal flooding1.3Relatively Low at its worst in this ZIP code
Compared with Virginia and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPVirginiaUnited States
Median household income$218,942$90,974$78,538
Income per person$93,083$49,217$43,289
Poverty rate2.8%9.9%12.4%
Median home value$870,200$360,700$303,400
Median gross rent$2,307$1,514$1,348
Homeownership92.8%67.2%65%
Bachelor's degree or higher74.5%41.5%35%
Unemployment rate4.1%4.3%5.2%
Works from home27.8%16.2%13.5%
Born outside the US22.6%12.9%13.9%
Median age47.238.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMANASSAS, VA US11 km away

Average high and low by month

January42.4°F / 24.2°F
February45.5°F / 25.8°F
March53.8°F / 32.4°F
April65.9°F / 43.1°F
May74.2°F / 53.6°F
June83°F / 63.5°F
July87.5°F / 68.6°F
August85.4°F / 66.5°F
September78.2°F / 58.3°F
October67°F / 45.6°F
November56.4°F / 35.3°F
December46.5°F / 28.7°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket22% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Fairfax County Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability2more vulnerable than 2% of US census tracts
Socioeconomic status4more vulnerable than 4% of US census tracts
Household characteristics44more vulnerable than 44% of US census tracts
Racial and ethnic minority status37more vulnerable than 37% of US census tracts
Housing type and transport1more vulnerable than 1% of US census tracts
Walkability6.3 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

20113 Manassas, VA6 km away
20111 Manassas, VA6 km away
22039 Fairfax Station, VA7 km away
20121 Centreville, VA7.7 km away
22035 Fairfax, VA8.4 km away
22030 Fairfax, VA8.7 km away
22032 Fairfax, VA8.7 km away
22015 Burke, VA8.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Fairfax County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area21.69 sq mi
Water area0.64 sq mi
Population density671 people per sq mi
Latitude, longitude38.7818, -77.3818

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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