12 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 54981 | Waupaca | 14,870 |
| 54961 | New London | 14,485 |
| 54929 | Clintonville | 8,776 |
| 54983 | Weyauwega | 4,144 |
| 54949 | Manawa | 3,565 |
| 54945 | Iola | 3,470 |
| 54950 | Marion | 2,802 |
| 54977 | Scandinavia | 1,592 |
| 54962 | Ogdensburg | 1,025 |
| 54946 | King | 401 |
| 54926 | Big Falls | 125 |
| 54933 | Embarrass | 106 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Waupaca County, Wisconsin (US Census).