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US ZIP Code Profile

ZIP Code 60428
Markham, Illinois

ZIP code 60428 is in Markham, located in Cook County, Illinois, within the Chicago-Naperville-Elgin metro area. Its 2020 Census population was 11,351. The estimated median adjusted gross income per tax return is $31,449, and about 1% of filers report $200,000 or more.

2020 Population
11,351
Census ZCTA
County
Cook
FIPS 17031
Median income (est.)
$31,449
IRS SOI 2022
Land Area
5.195 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityMarkham, 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
Coordinates41.5998, -87.69057
Land / Water Area5.195 mi² land · 0 mi² water

02Income & Economics

Distribution of the 5,150 individual tax returns filed in 60428 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
42.1%
$25K–$50K
30.5%
$50K–$75K
14.2%
$75K–$100K
6.8%
$100K–$200K
5.8%
$200K+
0.6%
The $200,000+ bracket accounts for 5% of 60428's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($31,449) 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 60428's IRS income metrics, 2020–2022.

Median income (2021→2022)
$31,449
▲ 6.9%
Filers earning $200K+
0.6%
▲ 0.2 pt
Total filers
5,150
▼ 2.1%
GET /zipc/v2/zipcodes/60428/soi?year=… $29K 2020 $29K 2021 $31K 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 60428 ZCTA.

2010
12,203
 
2020
11,351
▼ -7.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 60428. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 60428

Markham and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 60428 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 TypeBranch
Carrier Route SortD
USPS Finance Number163474
City AliasesHarvey, Markham

07Frequently Asked Questions

What county is ZIP code 60428 in?

ZIP code 60428 is in Cook County, Illinois (county FIPS code 17031).

What city is ZIP code 60428?

The primary USPS city for 60428 is Markham, IL.

What metro area (MSA) is 60428 in?

60428 is part of the Chicago-Naperville-Elgin, IL-IN-WI Metro Area (MSA code 16980).

What is the population of ZIP code 60428?

The 2020 Census population of 60428 was 11,351 residents.

What is the median income in ZIP code 60428?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 60428 is about $31,449, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.