4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Richland Center | 1 | 4,981 | 5,193 | -0.7% | 1,061 | 5 | City |
| Lone Rock | 2 | 837 | 837 | 0% | 841 | 1 | Village |
| Viola | 3 | 773 | 674 | 2.25% | 776 | 1 | Village |
| Cazenovia | 4 | 349 | 361 | -0.57% | 381 | 1 | Village |
Richland Center is the largest city in Richland County, with a population of 4,981.
Cazenovia is the smallest city in Richland County, with a population of 349.
There are 4 cities in Richland County, Wisconsin.