7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53581 | Richland Center | 10,169 |
| 53556 | Lone Rock | 2,326 |
| 54664 | Viola | 1,659 |
| 53518 | Blue River | 1,508 |
| 53924 | Cazenovia | 1,306 |
| 53540 | Gotham | 121 |
| 53584 | Sextonville | 10 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Richland County, Wisconsin (US Census).