Identifiers: city · village
| Rank | Community | Population |
|---|---|---|
| 1 | Milwaukee (city), WI | 577,222 |
| 2 | Waukesha (city), WI | 71,158 |
| 3 | West Allis (city), WI | 60,325 |
| 4 | Wauwatosa (city), WI | 48,387 |
| 5 | Brookfield (city), WI | 41,464 |
| 6 | New Berlin (city), WI | 40,451 |
| 7 | Menomonee Falls (village), WI | 38,527 |
| 8 | Greenfield (city), WI | 37,803 |
| 9 | Franklin (city), WI | 36,816 |
| 10 | Oak Creek (city), WI | 36,497 |
| 11 | Caledonia (village), WI | 25,361 |
| 12 | Mequon (city), WI | 25,142 |
| 13 | Muskego (city), WI | 25,032 |
| 14 | Germantown (village), WI | 20,917 |
| 15 | South Milwaukee (city), WI | 20,795 |
| 16 | Cudahy (city), WI | 18,204 |
| 17 | Pewaukee (city), WI | 15,914 |
| 18 | Whitefish Bay (village), WI | 14,954 |
| 19 | Greendale (village), WI | 14,854 |
| 20 | Shorewood (village), WI | 13,859 |