Get API Key →
US ZIP Code Profile

ZIP Code 19033
Folsom, Pennsylvania

ZIP code 19033 is in Folsom, located in Delaware County, Pennsylvania, within the Philadelphia-Camden-Wilmington metro area. Its 2020 Census population was 7,798. The estimated median adjusted gross income per tax return is $61,397, and about 4% of filers report $200,000 or more.

2020 Population
7,798
Census ZCTA
County
Delaware
FIPS 42045
Median income (est.)
$61,397
IRS SOI 2022
Land Area
1.102 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityFolsom, PA
CountyDelaware County (FIPS 42045)
StatePennsylvania (FIPS 42)
Metro Area (MSA)Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (37980)
Census Region / DivisionNortheast Region · Middle Atlantic Division
Coordinates39.890884, -75.32844
Land / Water Area1.102 mi² land · 0 mi² water

02Income & Economics

Distribution of the 4,040 individual tax returns filed in 19033 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.5%
$25K–$50K
19.8%
$50K–$75K
16.8%
$75K–$100K
12.6%
$100K–$200K
24.0%
$200K+
4.2%
The $200,000+ bracket accounts for 16% of 19033's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($61,397) 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 19033's IRS income metrics, 2020–2022.

Median income (2021→2022)
$61,397
▲ 6.6%
Filers earning $200K+
4.2%
▲ 0.8 pt
Total filers
4,040
▼ 2.9%
GET /zipc/v2/zipcodes/19033/soi?year=… $52K 2020 $58K 2021 $61K 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 19033 ZCTA.

2000
8,337
 
2010
7,777
▼ -6.7%
2020
7,798
▲ +0.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 19033. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 19033

Folsom and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 19033 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 SortD
USPS Finance Number412804
City AliasesFolsom, Milmont Park

07Frequently Asked Questions

What county is ZIP code 19033 in?

ZIP code 19033 is in Delaware County, Pennsylvania (county FIPS code 42045).

What city is ZIP code 19033?

The primary USPS city for 19033 is Folsom, PA.

What metro area (MSA) is 19033 in?

19033 is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (MSA code 37980).

What is the population of ZIP code 19033?

The 2020 Census population of 19033 was 7,798 residents.

What is the median income in ZIP code 19033?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 19033 is about $61,397, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.