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US ZIP Code Profile

ZIP Code 60559
Westmont, Illinois

ZIP code 60559 is in Westmont, located in Dupage County, Illinois, within the Chicago-Naperville-Elgin metro area. Its 2020 Census population was 24,363. The estimated median adjusted gross income per tax return is $58,374, and about 9% of filers report $200,000 or more.

2020 Population
24,363
Census ZCTA
County
Dupage
FIPS 17043
Median income (est.)
$58,374
IRS SOI 2022
Land Area
4.895 mi²
+ 0.094 mi² water

01Location & Geography

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

Primary CityWestmont, IL
CountyDupage County (FIPS 17043)
StateIllinois (FIPS 17)
Metro Area (MSA)Chicago-Naperville-Elgin, IL-IN-WI Metro Area (16980)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates41.794373, -87.97286
Land / Water Area4.895 mi² land · 0.094 mi² water

02Income & Economics

Distribution of the 12,260 individual tax returns filed in 60559 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
23.2%
$25K–$50K
21.2%
$50K–$75K
16.6%
$75K–$100K
10.8%
$100K–$200K
19.4%
$200K+
8.7%
The $200,000+ bracket accounts for 42% of 60559's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($58,374) 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 60559's IRS income metrics, 2020–2022.

Median income (2021→2022)
$58,374
▲ 5.4%
Filers earning $200K+
8.7%
▲ 0.3 pt
Total filers
12,260
▲ 1.1%
GET /zipc/v2/zipcodes/60559/soi?year=… $49K 2020 $55K 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 60559 ZCTA.

2000
25,954
 
2010
24,852
▼ -4.2%
2020
24,363
▼ -2.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 60559. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 60559

Westmont and its immediate neighbors, sorted by distance.

3 mi
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Distance from 60559 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 Number168370
City AliasesWestmont

07Frequently Asked Questions

What county is ZIP code 60559 in?

ZIP code 60559 is in Dupage County, Illinois (county FIPS code 17043).

What city is ZIP code 60559?

The primary USPS city for 60559 is Westmont, IL.

What metro area (MSA) is 60559 in?

60559 is part of the Chicago-Naperville-Elgin, IL-IN-WI Metro Area (MSA code 16980).

What is the population of ZIP code 60559?

The 2020 Census population of 60559 was 24,363 residents.

What is the median income in ZIP code 60559?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 60559 is about $58,374, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.