Merrillville, Indiana ZIP Codes
- ZIP records
1 - Sum of listed ZIP population estimates
39,243 - Counties represented
1 - Population range
39,243–39,243 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 46410 | Merrillville | Lake | 39,243 |
Counties represented
All ZIP Codes in Merrillville
Browse all ZIP data for Indiana
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.