20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53916 | Beaver Dam | 22,956 |
| 53098 | Watertown | 11,505 |
| 53050 | Mayville | 7,147 |
| 53032 | Horicon | 4,942 |
| 53039 | Juneau | 4,728 |
| 53933 | Fox Lake | 4,074 |
| 53048 | Lomira | 3,484 |
| 53035 | Iron Ridge | 2,432 |
| 53091 | Theresa | 2,113 |
| 53006 | Brownsville | 1,974 |
| 53059 | Neosho | 1,902 |
| 53078 | Rubicon | 1,743 |
| 53034 | Hustisford | 1,676 |
| 53579 | Reeseville | 1,666 |
| 53922 | Burnett | 1,033 |
| 53557 | Lowell | 419 |
| 53016 | Clyman | 386 |
| 53003 | Ashippun | 119 |
| 53047 | Lebanon | 70 |
| 53099 | Woodland | 8 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Dodge County, Wisconsin (US Census).