| Index | South Milwaukee | Wisconsin | National |
| Income per capita | $29,188 | $29,253 | $29,829 |
| Median household income | $57,286 | $54,610 | $55,322 |
| Median income owner occupied | $77,510 | $69,544 | $70,586 |
| Median income renter occupied | $36,938 | $31,736 | $35,192 |
| Median earnings male | $37,433 | $37,342 | $36,919 |
| Median earnings female | $32,758 | $25,818 | $26,250 |
| Unemployment rate | 2.7% | 3.7% | 4.7% |
| Poverty level | 15.0% | 12.7% | 15.1% |


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| 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 | 13,890 | $129,331 | 133.8% |
| Wind Point, WI | 1,833 | $119,107 | 115.3% |
| North Bay, WI | 220 | $112,813 | 103.9% |
| Elm Grove, WI | 6,156 | $112,500 | 103.4% |
| Brookfield, WI | 38,626 | $107,380 | 94.1% |
| South Milwaukee, WI | 20,857 | $57,286 | 3.6% |
| City | Population | Household Income | National Avg. |
| Green Valley, AZ | 20,857 | $50,511 | 8.7% |
| Hays, KS | 20,855 | $52,135 | 5.8% |
| Sweetwater, FL | 20,852 | $43,391 | 21.6% |
| Beaconsfield, QC | 20,868 | n/a | |
| Dickinson, TX | 20,870 | $70,468 | 27.4% |
| South Milwaukee, WI | 20,857 | $57,286 | 3.6% |