| Index | Oconomowoc Lake | Wisconsin | National |
| Cost of living | 239 | 96 | 100 |
| Groceries | 100 | 99 | 100 |
| Health care | 97 | 98 | 100 |
| Housing | 570 | 89 | 100 |
| Transportation | 94 | 98 | 100 |
| Utilities | 101 | 101 | 100 |
| Lifestyle & Entertainment | 95 | 98 | 100 |
| Household Items | 101 | 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 | $369,276 | $30,773 | $8,616 | $11,079 |
| Renters | $0 | $0 | $0 | $0 |
| 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. |
| Clyman, WI | 364 | 89 | 10.9% |
| Neosho, WI | 660 | 94 | 5.9% |
| Lannon, WI | 1,221 | 94 | 6.0% |
| Watertown, WI | 24,039 | 95 | 4.6% |
| Helenville, WI | 252 | 97 | 3.4% |
| Oconomowoc Lake, WI | 637 | 239 | 139.4% |
| City | Population | Cost of Living Index | National Avg. |
| Pimaco Two, AZ | 637 | 98 | 1.9% |
| Mermentau, LA | 637 | 78 | 21.7% |
| Lidgerwood, ND | 637 | 81 | 19.2% |
| Harrisville, NY | 637 | 92 | 8.2% |
| Sharon Springs, NY | 637 | 100 | 0.1% |
| Oconomowoc Lake, WI | 637 | 239 | 139.4% |