Residential delivery area · Virginia
ZIP Code 20124: Clifton, VA
ZIP code 20124 uses the postal name Clifton, Virginia and lies entirely in Fairfax County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $221,060 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Union Mill (37%), Centreville (8%) and Clifton (1%); 54% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Clifton · its only residential ZIP
- County
- Fairfax County
- Census places
- Union Mill (37%) census-designated place; Centreville (8%) census-designated place; Clifton (1%)
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House districts
- VA-10 (88%), VA-11 (12%) 119th Congress, by share of land
- State
- Virginia
- Time zone
- Eastern
- Land area
- 21.7 sq mi · 663 people per sq mi
Where is ZIP code 20124?
20124 centers on 38.781°, -77.391° and covers 21.7 square miles of land plus 0.6 of water. It borders 7 ZIP codes: 20111, 20121, 22030, 22039, 20120, 22192, 20112.
The map draws ZIP code areas only. For the streets inside 20124, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 20124 compare with the rest of Fairfax County?
| Measure | 20124 | In Fairfax County | In VA |
|---|---|---|---|
| People (ACS 2020-2024) | 14,375 | 40th of 47 | 206th of 903 |
| Median household income | $221k | 5th of 46 | 7th of 461 |
| Median home value | $885k | 12th of 46 | 22nd of 552 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 20124?
The 2020 Census counted 14,999 people in 20124; the ACS, which samples households over 2020-2024, estimates 14,375. Between the 2010 and 2020 censuses its population grew 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,375
- 2020 Census count
- 14,999+1.0% since 2010 (14,857)
- Households
- 4,825
- Median age
- 47.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 20124?
Of the 14,375 people the ACS estimates in 20124, 21.8% are under 18 and 20.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.1%), then Asian (not Hispanic) (28.4%).
- Under 1821.8%
- 18 to 6458.1%
- 65 and older20.1%
- White, not Hispanic55.1%
- Asian, not Hispanic28.4%
- Other or two or more7.3%
- Hispanic or Latino6.5%
- Black, not Hispanic2.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 20124 earn?
Median household income is $221,060 (ACS 2020-2024), the 5th highest of the 46 ranked ZIP codes in Fairfax County. It is not measurably different from 2015-2019 ($216,729 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $221,060±$22,427
- Income per person
- $93,604
- Below the poverty line
- 4.0%
- Unemployed (of the labor force)
- 4.7%
- Adults 25+ with a bachelor's degree
- 74.4%
- Adjusted gross income per tax return, 2022
- $222,8127,210 returns; wages 56% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 20124?
FHFA's house price index for 20124, built from repeat sales and appraisals of the same homes, rose 60% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +10.6% in 2025.
- Median home value (owners' estimate)
- $884,800
- Median gross rent
- $2,378
- Homes owned by their occupants
- 92.4%
- Housing units
- 4,871
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 20124?
306 business establishments had a location in this ZIP code in 2023, 22 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services97
- Construction51
- Real estate and rental and leasing23
- Administrative and support and waste management and remediation services23
- Accommodation and food services23
- Health care and social assistance19
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 20124?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20111 | Manassas | 38,124 | $114k | 3.0 mi |
| 20121 | Centreville | 27,788 | $130k | 4.4 mi |
| 22030 | Fairfax | 61,332 | $140k | 4.7 mi |
| 22039 | Fairfax Station | 19,626 | $250k+ | 4.7 mi |
| 20120 | Centreville | 42,896 | $153k | 7.2 mi |
| 22192 | Woodbridge | 59,794 | $127k | 7.8 mi |
| 20112 | Manassas | 30,500 | $196k | 7.9 mi |
| 22035 | Fairfax | 0 | – | 5.4 mi (near) |
| 20110 | Manassas | 49,890 | $119k | 5.7 mi (near) |
| 22032 | Fairfax | 29,240 | $178k | 6.0 mi (near) |
| 22015 | Burke | 44,647 | $173k | 6.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.