Census place · GEOID 1827000 · Lake County
Gary, IN ZIP codes
9 ZIP/ZCTAs intersecting this Census place in Lake County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Gary (GEOID 1827000). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 123,536 (9 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Gary, IN

ZIP/ZCTA overlap with Gary
Population overlap
Share of each ZIP/ZCTA’s population located within Gary, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 46402100.0%
USPS primary city
- 46403100.0%
USPS primary city
- 46404100.0%
USPS primary city
- 464050.6%
- 4640699.9%
USPS primary city
- 46407100.0%
USPS primary city
- 4640866.4%
USPS primary city
- 4640998.6%
USPS primary city
- 464101.7%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Gary
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 46402 | Gary | Lake County | 5,636 | $29,125 |
| 46403 | Gary | Lake County | 10,697 | $44,114 |
| 46404 | Gary | Lake County | 16,846 | $39,188 |
| 46405 | Lake Station | Lake County | 11,509 | $57,005 |
| 46406 | Gary | Lake County | 8,513 | $35,631 |
| 46407 | Gary | Lake County | 8,889 | $25,551 |
| 46408 | Gary | Lake County | 15,571 | $47,063 |
| 46409 | Gary | Lake County | 7,072 | $40,637 |
| 46410 | Merrillville | Lake County | 38,803 | $61,735 |
USPS associates these ZIPs with Gary
These codes list Gary as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 46401 | Gary | Lake County | 533 | — |
| 46411 | Merrillville | Lake County | 743 | — |