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City ZIP codes · Illinois

Elgin, IL ZIP Codes

5 ZIP codes use the postal name Elgin, Illinois (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 2 for PO boxes or a single organization. Median household income runs from $82,449 in 60120 to $139,982 in 60124, 1.7 times as much (Census Bureau, ACS 2020-2024). Elgin's most populous ZIP code is 60120, with 51,225 people (ACS 2020-2024); 56% of its land is in the city of Elgin.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Elgin's ZIP codes?

60120: $82k median household income60123: $88k median household income60124: $140k median household income60124601206012360120: $82k median household income60123: $88k median household income60124: $140k median household income60124601206012360120: $82k median household income60123: $88k median household income60124: $140k median household income601246012060123
The 3 residential ZIP codes named Elgin, 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 Elgin's ZIP codes?

The highest median household income is in 60124 ($139,982), the lowest in 60120 ($82,449). Home values run from $242,300 in 60120 to $430,900 in 60124.

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

All 3 residential ZIP codes of Elgin

Residential ZIP codes with the postal name Elgin, IL, largest first (ACS 2020-2024); sort by any column
County
60120 Cook County 51,225 2,940 $82k $242k
60123 Kane County 48,379 3,464 $88k $261k
60124 Kane County 24,487 642 $140k $431k

Download the 5 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 Elgin

2 ZIP codes named Elgin have 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.

Elgin, 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
60121Kane County
60122Kane County

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

Which counties do Elgin's ZIP codes reach?

Elgin's residential ZIP codes lie in 2 counties: Cook County (1 ZIP code mainly there), Kane County (2 ZIP codes mainly there).

Which places do Elgin's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Elgin's residential ZIP codes cover Elgin 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 Elgin'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 Elgin starts with 601.

Three-digit prefixes of Elgin'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 Elgin's
PrefixSectional centerHereAll codes
601 Carol Stream, IL (SCF 601) 5 89

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