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US ZIP Code Profile

ZIP Code 19401
Norristown, Pennsylvania

ZIP code 19401 is in Norristown, located in Montgomery County, Pennsylvania, within the Philadelphia-Camden-Wilmington metro area. Its 2020 Census population was 43,414. The estimated median adjusted gross income per tax return is $40,169, and about 2% of filers report $200,000 or more.

2020 Population
43,414
Census ZCTA
County
Montgomery
FIPS 42091
Median income (est.)
$40,169
IRS SOI 2022
Land Area
6.031 mi²
+ 0.096 mi² water

01Location & Geography

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

Primary CityNorristown, 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
Coordinates40.13018, -75.33163
Land / Water Area6.031 mi² land · 0.096 mi² water

02Income & Economics

Distribution of the 18,790 individual tax returns filed in 19401 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.3%
$25K–$50K
29.2%
$50K–$75K
16.2%
$75K–$100K
8.8%
$100K–$200K
11.3%
$200K+
2.2%
The $200,000+ bracket accounts for 13% of 19401's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($40,169) 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 19401's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,169
▲ 6.0%
Filers earning $200K+
2.2%
▲ 0.2 pt
Total filers
18,790
▼ 1.4%
GET /zipc/v2/zipcodes/19401/soi?year=… $36K 2020 $38K 2021 $40K 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 19401 ZCTA.

2000
37,912
 
2010
41,753
▲ +10.1%
2020
43,414
▲ +4.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 19401. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 19401

Norristown and its immediate neighbors, sorted by distance.

3 mi
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Distance from 19401 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 SortD
USPS Finance Number416088
City AliasesNorristown, Black Horse, Jeffersonville, East Norriton

07Frequently Asked Questions

What county is ZIP code 19401 in?

ZIP code 19401 is in Montgomery County, Pennsylvania (county FIPS code 42091).

What city is ZIP code 19401?

The primary USPS city for 19401 is Norristown, PA.

What metro area (MSA) is 19401 in?

19401 is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (MSA code 37980).

What is the population of ZIP code 19401?

The 2020 Census population of 19401 was 43,414 residents.

What is the median income in ZIP code 19401?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 19401 is about $40,169, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.