Identifiers: city · village · CDP
| 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 | Oconomowoc (city), WI | 18,203 |
| 10 | Pewaukee (city), WI | 15,914 |
| 11 | Greendale (village), WI | 14,854 |
| 12 | Sussex (village), WI | 11,487 |
| 13 | Hartland (village), WI | 9,501 |
| 14 | Mukwonago (village), WI | 8,262 |
| 15 | Pewaukee (village), WI | 8,238 |
| 16 | Hales Corners (village), WI | 7,720 |
| 17 | Delafield (city), WI | 7,185 |
| 18 | Elm Grove (village), WI | 6,513 |
| 19 | Wind Lake (CDP), WI | 5,355 |
| 20 | Tichigan (CDP), WI | 5,277 |
Identifiers: city · village · CDP
| 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 | Greenfield (city), WI | 37,803 |
| 8 | Oconomowoc (city), WI | 18,203 |
| 9 | Pewaukee (city), WI | 15,914 |
| 10 | Greendale (village), WI | 14,854 |
| 11 | Sussex (village), WI | 11,487 |
| 12 | Hartland (village), WI | 9,501 |
| 13 | Mukwonago (village), WI | 8,262 |
| 14 | Pewaukee (village), WI | 8,238 |
| 15 | Hales Corners (village), WI | 7,720 |
| 16 | Delafield (city), WI | 7,185 |
| 17 | Elm Grove (village), WI | 6,513 |
| 18 | Waterford (village), WI | 5,542 |
| 19 | Wind Lake (CDP), WI | 5,355 |
| 20 | Tichigan (CDP), WI | 5,277 |