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City ZIP codes · Illinois

Joliet, IL ZIP Codes

6 ZIP codes use the postal name Joliet, Illinois (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 5 residential and 1 for PO boxes or a single organization. Median household income runs from $62,961 in 60436 to $122,870 in 60431, 2.0 times as much (Census Bureau, ACS 2020-2024). Joliet's most populous ZIP code is 60435, with 48,167 people (ACS 2020-2024); 86% of its land is in the city of Joliet.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Joliet's ZIP codes?

60431: $123k median household income60432: $65k median household income60433: $67k median household income60435: $76k median household income60436: $63k median household income604316043660435604336043260431: $123k median household income60432: $65k median household income60433: $67k median household income60435: $76k median household income60436: $63k median household income604316043660435604336043260431: $123k median household income60432: $65k median household income60433: $67k median household income60435: $76k median household income60436: $63k median household income6043160436604356043360432
The 5 residential ZIP codes named Joliet, 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 Joliet's ZIP codes?

The highest median household income is in 60431 ($122,870), the lowest in 60436 ($62,961). Home values run from $172,300 in 60433 to $294,300 in 60431.

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

All 5 residential ZIP codes of Joliet

Residential ZIP codes with the postal name Joliet, IL, largest first (ACS 2020-2024); sort by any column
County
60435 Will County 48,167 4,448 $76k $236k
60431 Will County 27,138 2,113 $123k $294k
60432 Will County 20,465 2,403 $65k $194k
60436 Will County 19,423 1,079 $63k $181k
60433 Will County 16,382 1,208 $67k $172k

Download the 6 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 Joliet

1 ZIP code named Joliet 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.

Joliet, 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
60434Will County

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

Which counties do Joliet's ZIP codes reach?

Joliet's residential ZIP codes lie in 2 counties: Will County (5 ZIP codes mainly there), Kendall County (part of a ZIP code).

Which places do Joliet's ZIP codes cover?

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

  • Ingalls Park census-designated 60433
  • Preston Heights census-designated 60433
  • Ridgewood census-designated 60432
  • Rockdale 60436
  • Sunnyland census-designated 60435

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

Which first three digits do Joliet'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 Joliet starts with 604.

Three-digit prefixes of Joliet'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 Joliet's
PrefixSectional centerHereAll codes
604 South Suburban, IL (SCF 604) 6 83

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