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US ZIP Code Profile

ZIP Code 22042
Falls Church, Virginia

ZIP code 22042 is in Falls Church, located in Fairfax County, Virginia, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 34,638. The estimated median adjusted gross income per tax return is $57,743, and about 13% of filers report $200,000 or more.

2020 Population
34,638
Census ZCTA
County
Fairfax
FIPS 51059
Median income (est.)
$57,743
IRS SOI 2022
Land Area
6.608 mi²
+ 0.044 mi² water

01Location & Geography

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

Primary CityFalls Church, 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
Coordinates38.865025, -77.19713
Land / Water Area6.608 mi² land · 0.044 mi² water

02Income & Economics

Distribution of the 18,100 individual tax returns filed in 22042 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.3%
$25K–$50K
18.8%
$50K–$75K
12.5%
$75K–$100K
9.3%
$100K–$200K
19.1%
$200K+
13.0%
The $200,000+ bracket accounts for 48% of 22042's total adjusted gross income, from 13% of returns — a concentration that drives the gap between the median ($57,743) 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 22042's IRS income metrics, 2020–2022.

Median income (2021→2022)
$57,743
▲ 2.3%
Filers earning $200K+
13.0%
▲ 0.7 pt
Total filers
18,100
▲ 3.7%
GET /zipc/v2/zipcodes/22042/soi?year=… $51K 2020 $56K 2021 $58K 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 22042 ZCTA.

2000
30,505
 
2010
33,537
▲ +9.9%
2020
34,638
▲ +3.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 22042. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 22042

Falls Church and its immediate neighbors, sorted by distance.

3 mi
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Distance from 22042 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number513126
City AliasesFalls Church, Mosby

07Frequently Asked Questions

What county is ZIP code 22042 in?

ZIP code 22042 is in Fairfax County, Virginia (county FIPS code 51059).

What city is ZIP code 22042?

The primary USPS city for 22042 is Falls Church, VA.

What metro area (MSA) is 22042 in?

22042 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 22042?

The 2020 Census population of 22042 was 34,638 residents.

What is the median income in ZIP code 22042?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 22042 is about $57,743, with around 13% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.