Census place · GEOID 1848528 · Lake County
Merrillville, IN ZIP codes
3 ZIP/ZCTAs intersecting this Census place in Lake County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Merrillville (GEOID 1848528). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 142,746 (3 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 Merrillville, IN

ZIP/ZCTA overlap with Merrillville
Population overlap
Share of each ZIP/ZCTA’s population located within Merrillville, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
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 Merrillville
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 46307 | Crown Point | Lake County | 71,418 | $102,118 |
| 46342 | Hobart | Lake County | 32,525 | $72,163 |
| 46410 | Merrillville | Lake County | 38,803 | $61,735 |
USPS associates these ZIPs with Merrillville
These codes list Merrillville as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 46411 | Merrillville | Lake County | 743 | — |