| Index | Lake Mills | Wisconsin | National |
| Cost of living | 101 | 96 | 100 |
| Groceries | 99 | 99 | 100 |
| Health care | 99 | 98 | 100 |
| Housing | 105 | 89 | 100 |
| Transportation | 97 | 98 | 100 |
| Utilities | 101 | 101 | 100 |
| Lifestyle & Entertainment | 101 | 98 | 100 |
| Household Items | 100 | 99 | 100 |
| Education & Childcare | 94 | 98 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $119,332 | $9,944 | $2,784 | $3,580 |
| Renters | $60,780 | $5,065 | $1,418 | $1,824 |
| State | General Sales Tax | With Max Surtax |
| Wisconsin | 5% | 6.75% |
| State | Income Tax (Low) | Income Tax (High) |
| Wisconsin | 3.54% | 7.65% |
| City | Population | Cost of Living Index | National Avg. |
| Watertown, WI | 24,039 | 95 | 4.6% |
| Waterloo, WI | 3,450 | 95 | 4.5% |
| Jefferson, WI | 8,237 | 96 | 4.4% |
| Fort Atkinson, WI | 12,734 | 96 | 3.9% |
| Helenville, WI | 252 | 97 | 3.4% |
| Lake Mills, WI | 6,132 | 101 | 0.6% |
| City | Population | Cost of Living Index | National Avg. |
| Lake Alfred, FL | 6,132 | 97 | 2.9% |
| Pea Ridge, AR | 6,131 | 102 | 2.4% |
| Taylor, PA | 6,135 | 93 | 7.4% |
| Portland, CT | 6,128 | 111 | 11.0% |
| Cocoa West, FL | 6,136 | 94 | 5.9% |
| Lake Mills, WI | 6,132 | 101 | 0.6% |