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?
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
| 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 |
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.
| ZIP | County |
|---|---|
| 46401 | Lake 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:
- Portage 46403
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.
| Prefix | Sectional center | Here | All 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.