| Index | Lake Mills | Wisconsin | National |
| Income per capita | $50,265 | $43,754 | $44,883 |
| Median household income | $103,441 | $81,774 | $81,333 |
| Median income owner occupied | $119,332 | $103,160 | $106,172 |
| Median income renter occupied | $60,780 | $47,125 | $52,080 |
| Median earnings male | $66,639 | $54,326 | $54,343 |
| Median earnings female | $56,808 | $38,113 | $38,439 |
| Unemployment rate | 0.4% | 3.9% | 4.9% |
| Poverty level | 5.9% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.4% | 12.4% |
| Manufacturing sector | 25.3% | 25.3% |
| Financial & insurance services | 5.2% | 5.2% |
| Wholesale & retail services | 11.1% | 11.1% |
| Public administration | 8.4% | 8.4% |
| Transportation, warehousing & utilities | 7.5% | 7.5% |
| Education, health & social services | 14.1% | 14.1% |
| Other | 13.1% | 13.1% |
| City | Population | Household Income | National Avg. |
| Helenville, WI | 252 | $151,165 | 85.9% |
| Cottage Grove, WI | 7,270 | $146,986 | 80.7% |
| Lebanon, WI | 100 | $141,072 | 73.4% |
| Lake Ripley, WI | 1,978 | $140,621 | 72.9% |
| Rome, WI | 668 | $132,563 | 63.0% |
| Lake Mills, WI | 6,132 | $103,441 | 27.2% |
| City | Population | Household Income | National Avg. |
| Lake Alfred, FL | 6,132 | $67,796 | 16.6% |
| Pea Ridge, AR | 6,131 | $143,506 | 76.4% |
| Taylor, PA | 6,135 | $72,402 | 11.0% |
| Portland, CT | 6,128 | $114,635 | 40.9% |
| Cocoa West, FL | 6,136 | $43,432 | 46.6% |
| Lake Mills, WI | 6,132 | $103,441 | 27.2% |