| Index | Lannon | Wisconsin | National |
| Income per capita | $54,913 | $43,754 | $44,883 |
| Median household income | $99,078 | $81,774 | $81,333 |
| Median income owner occupied | $114,284 | $103,160 | $106,172 |
| Median income renter occupied | $0 | $47,125 | $52,080 |
| Median earnings male | $60,470 | $54,326 | $54,343 |
| Median earnings female | $51,687 | $38,113 | $38,439 |
| Unemployment rate | 2.3% | 3.9% | 4.9% |
| Poverty level | 10.9% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.9% | 7.9% |
| Manufacturing sector | 25.2% | 25.2% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 19.2% | 19.2% |
| Public administration | 0.7% | 0.7% |
| Transportation, warehousing & utilities | 6.1% | 6.1% |
| Education, health & social services | 1.2% | 1.2% |
| Other | 32.9% | 32.9% |
| City | Population | Household Income | National Avg. |
| Oconomowoc Lake, WI | 637 | $358,918 | 341.3% |
| 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% |
| Lannon, WI | 1,221 | $99,078 | 21.8% |
| City | Population | Household Income | National Avg. |
| Eton, GA | 1,221 | $97,333 | 19.7% |
| Greene, IA | 1,221 | $69,439 | 14.6% |
| Roseland, LA | 1,221 | $57,666 | 29.1% |
| Granby, MA | 1,221 | $151,454 | 86.2% |
| Fairland, OK | 1,221 | $53,161 | 34.6% |
| Lannon, WI | 1,221 | $99,078 | 21.8% |