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US ZIP Code Profile

ZIP Code 60056
Mount Prospect, Illinois

ZIP code 60056 is in Mount Prospect, located in Cook County, Illinois, within the Chicago-Naperville-Elgin metro area. Its 2020 Census population was 57,177. The estimated median adjusted gross income per tax return is $61,943, and about 10% of filers report $200,000 or more.

2020 Population
57,177
Census ZCTA
County
Cook
FIPS 17031
Median income (est.)
$61,943
IRS SOI 2022
Land Area
10.747 mi²
+ 0.001 mi² water

01Location & Geography

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

Primary CityMount Prospect, IL
CountyCook County (FIPS 17031)
StateIllinois (FIPS 17)
Metro Area (MSA)Chicago-Naperville-Elgin, IL-IN-WI Metro Area (16980)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates42.067165, -87.934715
Land / Water Area10.747 mi² land · 0.001 mi² water

02Income & Economics

Distribution of the 28,180 individual tax returns filed in 60056 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
23.7%
$25K–$50K
19.5%
$50K–$75K
14.3%
$75K–$100K
10.5%
$100K–$200K
21.8%
$200K+
10.2%
The $200,000+ bracket accounts for 38% of 60056's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($61,943) 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 60056's IRS income metrics, 2020–2022.

Median income (2021→2022)
$61,943
▲ 5.4%
Filers earning $200K+
10.2%
▲ 1.0 pt
Total filers
28,180
▼ 0.4%
GET /zipc/v2/zipcodes/60056/soi?year=… $52K 2020 $59K 2021 $62K 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 60056 ZCTA.

2000
56,625
 
2010
55,219
▼ -2.5%
2020
57,177
▲ +3.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 60056. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 60056

Mount Prospect and its immediate neighbors, sorted by distance.

3 mi
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Distance from 60056 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 Number165382
City AliasesMount Prospect, Mt Prospect

07Frequently Asked Questions

What county is ZIP code 60056 in?

ZIP code 60056 is in Cook County, Illinois (county FIPS code 17031).

What city is ZIP code 60056?

The primary USPS city for 60056 is Mount Prospect, IL.

What metro area (MSA) is 60056 in?

60056 is part of the Chicago-Naperville-Elgin, IL-IN-WI Metro Area (MSA code 16980).

What is the population of ZIP code 60056?

The 2020 Census population of 60056 was 57,177 residents.

What is the median income in ZIP code 60056?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 60056 is about $61,943, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.