7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53581 | Richland Center | 10,141 |
| 53556 | Lone Rock | 2,354 |
| 54664 | Viola | 1,659 |
| 53518 | Blue River | 1,470 |
| 53924 | Cazenovia | 1,277 |
| 53540 | Gotham | 129 |
| 53584 | Sextonville | 8 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Richland County, Wisconsin (US Census).