100 Smallest ZIP Codes in the United States by Population in Washington Parish, Louisiana
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 Washington Parish, Louisiana.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 70450 | MOUNT HERMON | LA | 2,332 |
| 2 | 70426 | ANGIE | LA | 5,912 |
| 3 | 70427 | BOGALUSA | LA | 17,894 |
| 4 | 70438 | FRANKLINTON | LA | 20,345 |