Zip Code 46410 — Merrillville, IN
46410 is a ZIP Code associated with Merrillville, IN, located within Lake. 46410 ranks #2 out of 27 ZIP codes in Lake County by population (and #33 out of 807 in IN). The area supports an estimated population of 39,243 residents across Data Pending housing units, with a population density of 504.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.480830, -87.332930)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 46410 |
| Primary City | Merrillville |
| State / Province | IN |
| County | Lake |
| Total Population | 39,243 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 504.2 people/sq mi |
| Timezone | America/Chicago |
How 46410 Compares
| Metric | ZIP 46410 | Lake County | IN State Average |
|---|
| Population | 39,243 | 504,725 (Total) | 6,851,073 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 504.2 /sq mi | -- | -- |
| County Pop Rank | #2 of 27 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →