20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53916 | Beaver Dam | 23,045 |
| 53098 | Watertown | 11,586 |
| 53050 | Mayville | 7,070 |
| 53032 | Horicon | 4,995 |
| 53039 | Juneau | 4,853 |
| 53933 | Fox Lake | 3,851 |
| 53048 | Lomira | 3,544 |
| 53035 | Iron Ridge | 2,440 |
| 53091 | Theresa | 2,177 |
| 53059 | Neosho | 1,964 |
| 53006 | Brownsville | 1,901 |
| 53078 | Rubicon | 1,811 |
| 53579 | Reeseville | 1,736 |
| 53034 | Hustisford | 1,682 |
| 53922 | Burnett | 1,074 |
| 53557 | Lowell | 406 |
| 53016 | Clyman | 387 |
| 53047 | Lebanon | 134 |
| 53003 | Ashippun | 96 |
| 53099 | Woodland | 3 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Dodge County, Wisconsin (US Census).