City ZIP codes · Indiana

Gary, IN ZIP Codes

8 ZIP codes use the postal name Gary, Indiana (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 7 residential and 1 for PO boxes or a single organization. Median household income runs from $28,526 in 46407 to $47,453 in 46408, 1.7 times as much (Census Bureau, ACS 2020-2024). Gary's most populous ZIP code is 46408, with 15,747 people (ACS 2020-2024); 54% of its land is in the city of Gary.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Gary's ZIP codes?

46402: $34k median household income46403: $46k median household income46404: $42k median household income46406: $36k median household income46407: $29k median household income46408: $48k median household income46409: $45k median household income4640646402464034640846404464094640746402: $34k median household income46403: $46k median household income46404: $42k median household income46406: $36k median household income46407: $29k median household income46408: $48k median household income46409: $45k median household income4640646402464034640846404464094640746402: $34k median household income46403: $46k median household income46404: $42k median household income46406: $36k median household income46407: $29k median household income46408: $48k median household income46409: $45k median household income46406464024640346408464044640946407
The 7 residential ZIP codes named Gary, 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 Gary's ZIP codes?

The highest median household income is in 46408 ($47,453), the lowest in 46407 ($28,526). Home values run from $60,200 in 46407 to $177,600 in 46403.

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

All 7 residential ZIP codes of Gary

Residential ZIP codes with the postal name Gary, IN, largest first (ACS 2020-2024); sort by any column
County
46408 Lake County 15,747 1,617 $48k $103k
46404 Lake County 15,428 2,568 $42k $95k
46403 Lake County 10,929 1,183 $46k $178k
46406 Lake County 9,001 668 $36k $92k
46407 Lake County 8,577 2,054 $29k $60k
46409 Lake County 7,184 2,007 $45k $79k
46402 Lake County 5,836 692 $34k $85k

Download the 8 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 Gary

1 ZIP code named Gary 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.

Gary, IN: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
46401Lake County

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

Which counties do Gary's ZIP codes reach?

Gary's residential ZIP codes lie in 2 counties: Lake County (7 ZIP codes mainly there), Porter County (part of a ZIP code).

Which places do Gary's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Gary's residential ZIP codes cover Gary itself and 1 other place, 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 Gary'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 Gary starts with 464.

Three-digit prefixes of Gary'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 Gary's
PrefixSectional centerHereAll codes
464 Gary, IN (SCF 463) 8 11

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