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US ZIP Code Profile

ZIP Code 19090
Willow Grove, Pennsylvania

ZIP code 19090 is in Willow Grove, located in Montgomery County, Pennsylvania, within the Philadelphia-Camden-Wilmington metro area. Its 2020 Census population was 20,180. The estimated median adjusted gross income per tax return is $58,526, and about 5% of filers report $200,000 or more.

2020 Population
20,180
Census ZCTA
County
Montgomery
FIPS 42091
Median income (est.)
$58,526
IRS SOI 2022
Land Area
5.374 mi²
+ 0.005 mi² water

01Location & Geography

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

Primary CityWillow Grove, PA
CountyMontgomery County (FIPS 42091)
StatePennsylvania (FIPS 42)
Metro Area (MSA)Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (37980)
Census Region / DivisionNortheast Region · Middle Atlantic Division
Coordinates40.15745, -75.124756
Land / Water Area5.374 mi² land · 0.005 mi² water

02Income & Economics

Distribution of the 10,360 individual tax returns filed in 19090 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
23.0%
$25K–$50K
21.3%
$50K–$75K
16.7%
$75K–$100K
12.4%
$100K–$200K
21.2%
$200K+
5.4%
The $200,000+ bracket accounts for 20% of 19090's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($58,526) 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 19090's IRS income metrics, 2020–2022.

Median income (2021→2022)
$58,526
▲ 7.2%
Filers earning $200K+
5.4%
▲ 1.0 pt
Total filers
10,360
▼ 0.8%
GET /zipc/v2/zipcodes/19090/soi?year=… $51K 2020 $55K 2021 $59K 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 19090 ZCTA.

2000
19,398
 
2010
18,832
▼ -2.9%
2020
20,180
▲ +7.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 19090. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 19090

Willow Grove and its immediate neighbors, sorted by distance.

3 mi
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Distance from 19090 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 Number419288
City AliasesWillow Grove

07Frequently Asked Questions

What county is ZIP code 19090 in?

ZIP code 19090 is in Montgomery County, Pennsylvania (county FIPS code 42091).

What city is ZIP code 19090?

The primary USPS city for 19090 is Willow Grove, PA.

What metro area (MSA) is 19090 in?

19090 is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (MSA code 37980).

What is the population of ZIP code 19090?

The 2020 Census population of 19090 was 20,180 residents.

What is the median income in ZIP code 19090?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 19090 is about $58,526, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.