| Index | Elm Grove | Wisconsin | National |
| Income per capita | $91,738 | $43,754 | $44,883 |
| Median household income | $168,356 | $81,774 | $81,333 |
| Median income owner occupied | $194,209 | $103,160 | $106,172 |
| Median income renter occupied | $75,619 | $47,125 | $52,080 |
| Median earnings male | $106,746 | $54,326 | $54,343 |
| Median earnings female | $62,397 | $38,113 | $38,439 |
| Unemployment rate | 0.2% | 3.9% | 4.9% |
| Poverty level | 4.1% | 12.7% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 6.5% | 6.5% |
| Manufacturing sector | 13.3% | 13.3% |
| Financial & insurance services | 10.1% | 10.1% |
| Wholesale & retail services | 13.0% | 13.0% |
| Public administration | 5.6% | 5.6% |
| Transportation, warehousing & utilities | 5.4% | 5.4% |
| Education, health & social services | 12.6% | 12.6% |
| Other | 32.1% | 32.1% |
| City | Population | Household Income | National Avg. |
| River Hills, WI | 1,472 | $222,747 | 173.9% |
| Merton, WI | 3,864 | $206,098 | 153.4% |
| Chenequa, WI | 601 | $204,958 | 152.0% |
| Mequon, WI | 25,189 | $193,875 | 138.4% |
| Whitefish Bay, WI | 14,209 | $192,601 | 136.8% |
| Elm Grove, WI | 6,322 | $168,356 | 107.0% |
| City | Population | Household Income | National Avg. |
| Edgewood, NM | 6,322 | $104,411 | 28.4% |
| Shrewsbury, MO | 6,323 | $106,400 | 30.8% |
| Homestead Meadows South, TX | 6,323 | $61,824 | 24.0% |
| Nephi, UT | 6,323 | $103,401 | 27.1% |
| St. Robert, MO | 6,320 | $85,125 | 4.7% |
| Elm Grove, WI | 6,322 | $168,356 | 107.0% |