| Index | South Milwaukee | Wisconsin | National |
| Income per capita | $43,638 | $43,754 | $44,883 |
| Median household income | $84,169 | $81,774 | $81,333 |
| Median income owner occupied | $115,776 | $103,160 | $106,172 |
| Median income renter occupied | $54,012 | $47,125 | $52,080 |
| Median earnings male | $55,700 | $54,326 | $54,343 |
| Median earnings female | $47,231 | $38,113 | $38,439 |
| Unemployment rate | 2.8% | 3.9% | 4.9% |
| Poverty level | 15.0% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.1% | 6.1% |
| Manufacturing sector | 31.1% | 31.1% |
| Financial & insurance services | 4.1% | 4.1% |
| Wholesale & retail services | 11.0% | 11.0% |
| Public administration | 3.4% | 3.4% |
| Transportation, warehousing & utilities | 9.8% | 9.8% |
| Education, health & social services | 9.1% | 9.1% |
| Other | 23.1% | 23.1% |
| City | Population | Household Income | National Avg. |
| Whitefish Bay, WI | 14,209 | $192,601 | 136.8% |
| Wind Point, WI | 1,904 | $180,452 | 121.9% |
| North Bay, WI | 228 | $169,114 | 107.9% |
| Elm Grove, WI | 6,322 | $168,356 | 107.0% |
| Brookfield, WI | 39,415 | $159,709 | 96.4% |
| South Milwaukee, WI | 21,661 | $84,169 | 3.5% |
| City | Population | Household Income | National Avg. |
| DeBary, FL | 21,665 | $104,529 | 28.5% |
| Battle Ground, WA | 21,669 | $120,503 | 48.2% |
| Sweetwater, FL | 21,673 | $65,778 | 19.1% |
| Lakeside, CA | 21,636 | $117,594 | 44.6% |
| Florida Ridge, FL | 21,634 | $74,619 | 8.3% |
| South Milwaukee, WI | 21,661 | $84,169 | 3.5% |