Get API Key →
US ZIP Code Profile

ZIP Code 22101
Mc Lean, Virginia

ZIP code 22101 is in Mc Lean, located in Fairfax County, Virginia, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 31,414. The estimated median adjusted gross income per tax return is $182,271, and about 47% of filers report $200,000 or more.

2020 Population
31,414
Census ZCTA
County
Fairfax
FIPS 51059
Median income (est.)
$182,271
IRS SOI 2022
Land Area
13.639 mi²
+ 0.042 mi² water

01Location & Geography

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

Primary CityMc Lean, 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
Coordinates38.940205, -77.16488
Land / Water Area13.639 mi² land · 0.042 mi² water

02Income & Economics

Distribution of the 14,330 individual tax returns filed in 22101 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
17.4%
$25K–$50K
7.3%
$50K–$75K
5.5%
$75K–$100K
5.4%
$100K–$200K
17.5%
$200K+
46.9%
The $200,000+ bracket accounts for 92% of 22101's total adjusted gross income, from 47% of returns — a concentration that drives the gap between the median ($182,271) 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 22101's IRS income metrics, 2020–2022.

Median income (2021→2022)
$182,271
▲ 1.6%
Filers earning $200K+
46.9%
▲ 0.5 pt
Total filers
14,330
▲ 2.4%
GET /zipc/v2/zipcodes/22101/soi?year=… $159K 2020 $179K 2021 $182K 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 22101 ZCTA.

2000
28,433
 
2010
29,887
▲ +5.1%
2020
31,414
▲ +5.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 22101. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 22101

Mc Lean and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 22101 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number515478
City AliasesMclean, Maclean, Mc Lean

07Frequently Asked Questions

What county is ZIP code 22101 in?

ZIP code 22101 is in Fairfax County, Virginia (county FIPS code 51059).

What city is ZIP code 22101?

The primary USPS city for 22101 is Mc Lean, VA.

What metro area (MSA) is 22101 in?

22101 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 22101?

The 2020 Census population of 22101 was 31,414 residents.

What is the median income in ZIP code 22101?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 22101 is about $182,271, with around 47% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.