| Index | Grass Lake | Michigan | National |
| Cost of living | 95 | 91 | 100 |
| Groceries | 98 | 98 | 100 |
| Health care | 96 | 97 | 100 |
| Housing | 91 | 76 | 100 |
| Transportation | 97 | 96 | 100 |
| Utilities | 101 | 100 | 100 |
| Lifestyle & Entertainment | 93 | 96 | 100 |
| Household Items | 98 | 98 | 100 |
| Education & Childcare | 95 | 95 | 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 | $109,190 | $9,099 | $2,548 | $3,276 |
| Renters | $48,288 | $4,024 | $1,127 | $1,449 |
| State | General Sales Tax | With Max Surtax |
| Michigan | 6% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| Michigan | 4.25% | 4.25% |
| City | Population | Cost of Living Index | National Avg. |
| Napoleon, MI | 940 | 82 | 18.2% |
| Jackson, MI | 33,318 | 83 | 16.9% |
| Cement City, MI | 539 | 85 | 15.2% |
| Vandercook Lake, MI | 4,803 | 87 | 12.9% |
| Leslie, MI | 2,258 | 87 | 12.6% |
| Grass Lake, MI | 1,362 | 95 | 4.8% |
| City | Population | Cost of Living Index | National Avg. |
| Fish Lake, IN | 1,362 | 85 | 14.5% |
| Elton, LA | 1,362 | 82 | 17.9% |
| Birch Run, MI | 1,362 | 91 | 9.4% |
| Lakeshore, MB | 1,362 | n/a | |
| Tyhee, ID | 1,363 | 107 | 6.5% |
| Grass Lake, MI | 1,362 | 95 | 4.8% |