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City ZIP codes · Illinois

Waukegan, IL ZIP Codes

3 ZIP codes use the postal name Waukegan, Illinois (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $66,793 in 60085 to $76,738 in 60087 (Census Bureau, ACS 2020-2024). Waukegan's most populous ZIP code is 60085, with 72,341 people (ACS 2020-2024); 85% of its land is in the city of Waukegan.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Waukegan's ZIP codes?

60085: $67k median household income60087: $77k median household income600856008760085: $67k median household income60087: $77k median household income600856008760085: $67k median household income60087: $77k median household income6008560087
The 2 residential ZIP codes named Waukegan, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Waukegan's ZIP codes?

The highest median household income is in 60087 ($76,738), the lowest in 60085 ($66,793). Home values run from $177,400 in 60085 to $206,600 in 60087.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Waukegan

Residential ZIP codes with the postal name Waukegan, IL, largest first (ACS 2020-2024); sort by any column
County
60085 Lake County 72,341 4,896 $67k $177k
60087 Lake County 27,293 2,105 $77k $207k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Waukegan

1 ZIP code named Waukegan has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Waukegan, IL: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
60079Lake County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Waukegan's ZIP codes reach?

Waukegan's residential ZIP codes lie in Lake County.

Which places do Waukegan's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Waukegan's residential ZIP codes cover Waukegan itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Waukegan's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Waukegan starts with 600.

Three-digit prefixes of Waukegan's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Waukegan's
PrefixSectional centerHereAll codes
600 Palatine, IL (SCF 600) 3 82

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.