23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Faribault | 1 | 24,773 | 24,445 | 0.27% | 1,598 | 15.51 | City |
| Northfield | 2 | 21,177 | 20,784 | 0.37% | 2,499 | 8.47 | City |
| Lonsdale | 3 | 5,089 | 4,708 | 1.52% | 1,951 | 2.61 | City |
| Bridgewater | 4 | 1,821 | 1,836 | -0.27% | 51 | 35.90 | Township |
| Webster | 5 | 1,797 | 1,772 | 0.17% | 51 | 35.07 | Township |
| Dundas | 6 | 1,788 | 1,712 | 0.85% | 968 | 1.85 | City |
| Forest | 7 | 1,345 | 1,329 | 0.15% | 42 | 32.21 | Township |
| Warsaw | 8 | 1,298 | 1,279 | 0.23% | 40 | 32.39 | Township |
| Wheatland | 9 | 1,282 | 1,265 | 0.23% | 39 | 32.52 | Township |
| Cannon City | 10 | 1,244 | 1,227 | 0.24% | 41 | 30.41 | Township |
| Shieldsville | 11 | 1,071 | 1,059 | 0.09% | 33 | 32.22 | Township |
| Morristown | 12 | 1,010 | 1,000 | 0.2% | 899 | 1.12 | City |
| Walcott | 13 | 942 | 931 | 0.11% | 29 | 32.94 | Township |
| Northfield | 14 | 867 | 860 | 0% | 22 | 38.70 | Township |
| Erin | 15 | 847 | 838 | 0.12% | 24 | 34.60 | Township |
| Warsaw | 16 | 811 | 925 | 1.63% | 939 | 0.86 | CDP |
| Morristown | 17 | 594 | 588 | 0% | 18 | 32.76 | Township |
| Warsaw | 18 | 590 | 602 | -0.67% | 17 | 34.51 | Township |
| Wheeling | 19 | 519 | 519 | -0.38% | 15 | 34.57 | Township |
| Richland | 20 | 381 | 375 | 0.26% | 11 | 36.08 | Township |
| Kilkenny | 21 | 375 | 364 | 0.54% | 11 | 33.85 | Township |
| Nerstrand | 22 | 272 | 277 | -0.37% | 192 | 1.41 | City |
| Kilkenny | 23 | 158 | 150 | 1.28% | 1,179 | 0.13 | City |
Faribault is the largest city in Rice County, with a population of 24,773.
Kilkenny is the smallest city in Rice County, with a population of 158.
There are 23 cities in Rice County, Minnesota.