6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Richland Center | 1 | 4,834 | 5,108 | -1.12% | 1,030 | 4.69 | City |
| Viola | 2 | 887 | 677 | 4.97% | 891 | 1 | Village |
| Lone Rock | 3 | 821 | 836 | -0.36% | 825 | 0.99 | Village |
| Sextonville | 4 | 359 | 414 | -3.23% | 399 | 0.90 | CDP |
| Cazenovia | 5 | 348 | 362 | -0.85% | 380 | 0.92 | Village |
| Gotham | 6 | 171 | 213 | -0.58% | 430 | 0.40 | CDP |
Richland Center is the largest city in Richland County, with a population of 4,834.
Gotham is the smallest city in Richland County.
There are 6 cities in Richland County, Wisconsin.