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US ZIP Code Profile

ZIP Code 22124
Oakton, Virginia

ZIP code 22124 is in Oakton, located in Fairfax County, Virginia, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 18,488. The estimated median adjusted gross income per tax return is $140,107, and about 37% of filers report $200,000 or more.

2020 Population
18,488
Census ZCTA
County
Fairfax
FIPS 51059
Median income (est.)
$140,107
IRS SOI 2022
Land Area
10.136 mi²
+ 0.083 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityOakton, VA
CountyFairfax County (FIPS 51059)
StateVirginia (FIPS 51)
Metro Area (MSA)Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (47900)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates38.89487, -77.32951
Land / Water Area10.136 mi² land · 0.083 mi² water

02Income & Economics

Distribution of the 8,860 individual tax returns filed in 22124 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.1%
$25K–$50K
8.2%
$50K–$75K
8.0%
$75K–$100K
7.2%
$100K–$200K
21.1%
$200K+
37.4%
The $200,000+ bracket accounts for 83% of 22124's total adjusted gross income, from 37% of returns — a concentration that drives the gap between the median ($140,107) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 22124's IRS income metrics, 2020–2022.

Median income (2021→2022)
$140,107
▲ 1.0%
Filers earning $200K+
37.4%
▼ 0.1 pt
Total filers
8,860
▲ 2.3%
GET /zipc/v2/zipcodes/22124/soi?year=… $126K 2020 $139K 2021 $140K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 22124 ZCTA.

2000
13,867
 
2010
17,558
▲ +26.6%
2020
18,488
▲ +5.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 22124. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 22124

Oakton and its immediate neighbors, sorted by distance.

3 mi
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Distance from 22124 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortB
USPS Finance Number519318
City AliasesVienna, Oakton

07Frequently Asked Questions

What county is ZIP code 22124 in?

ZIP code 22124 is in Fairfax County, Virginia (county FIPS code 51059).

What city is ZIP code 22124?

The primary USPS city for 22124 is Oakton, VA.

What metro area (MSA) is 22124 in?

22124 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 22124?

The 2020 Census population of 22124 was 18,488 residents.

What is the median income in ZIP code 22124?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 22124 is about $140,107, with around 37% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.