| Zip Code | City | Population ↓ |
|---|---|---|
| 49120 | Niles | 36,792 |
| 49022 | Benton Harbor | 29,985 |
| 49085 | Saint Joseph | 23,778 |
| 49127 | Stevensville | 11,223 |
| 49103 | Berrien Springs | 11,136 |
| 49107 | Buchanan | 10,534 |
| 49038 | Coloma | 8,577 |
| 49098 | Watervliet | 5,929 |
| 49106 | Bridgman | 5,135 |
| 49128 | Three Oaks | 3,422 |
| 49111 | Eau Claire | 3,397 |
| 49117 | New Buffalo | 3,390 |
| 49101 | Baroda | 2,897 |
| 49125 | Sawyer | 2,167 |
| 49113 | Galien | 1,732 |
| 49102 | Berrien Center | 1,530 |
| 49126 | Sodus | 1,430 |
| 49129 | Union Pier | 602 |
| 49104 | Berrien Springs | 479 |
| 49119 | New Troy | 134 |
| 49116 | Lakeside | 111 |
| 49115 | Harbert | 110 |
| 49084 | Riverside | 13 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 23 ZCTAs in Berrien County, Michigan (US Census).