100 Smallest ZIP Codes in the United States by Population in Lake County, Indiana
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Lake County, Indiana.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 46377 | SHELBY | IN | 66 |
| 2 | 46376 | SCHNEIDER | IN | 204 |
| 3 | 46402 | GARY | IN | 5,873 |
| 4 | 46409 | GARY | IN | 7,050 |
| 5 | 46406 | GARY | IN | 8,730 |
| 6 | 46407 | GARY | IN | 9,125 |
| 7 | 46327 | HAMMOND | IN | 10,875 |
| 8 | 46403 | GARY | IN | 10,875 |
| 9 | 46405 | LAKE STATION | IN | 11,547 |
| 10 | 46394 | WHITING | IN | 12,117 |
| 11 | 46320 | HAMMOND | IN | 13,822 |
| 12 | 46408 | GARY | IN | 15,368 |
| 13 | 46404 | GARY | IN | 16,851 |
| 14 | 46303 | CEDAR LAKE | IN | 16,859 |
| 15 | 46319 | GRIFFITH | IN | 17,626 |
| 16 | 46373 | SAINT JOHN | IN | 17,741 |
| 17 | 46356 | LOWELL | IN | 18,814 |
| 18 | 46324 | HAMMOND | IN | 21,703 |
| 19 | 46311 | DYER | IN | 23,074 |
| 20 | 46323 | HAMMOND | IN | 23,447 |
| 21 | 46321 | MUNSTER | IN | 23,731 |
| 22 | 46375 | SCHERERVILLE | IN | 23,740 |
| 23 | 46322 | HIGHLAND | IN | 23,794 |
| 24 | 46312 | EAST CHICAGO | IN | 26,363 |
| 25 | 46342 | HOBART | IN | 32,049 |
| 26 | 46410 | MERRILLVILLE | IN | 39,121 |
| 27 | 46307 | CROWN POINT | IN | 71,355 |