| Index | Williams | California | National |
| Cost of living | 120 | 141 | 100 |
| Groceries | 112 | 111 | 100 |
| Health care | 114 | 116 | 100 |
| Housing | 130 | 197 | 100 |
| Transportation | 118 | 118 | 100 |
| Utilities | 119 | 119 | 100 |
| Lifestyle & Entertainment | 116 | 120 | 100 |
| Household Items | 109 | 111 | 100 |
| Education & Childcare | 130 | 127 | 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 | $121,217 | $10,101 | $2,828 | $3,637 |
| Renters | $68,429 | $5,702 | $1,597 | $2,053 |
| State | General Sales Tax | With Max Surtax |
| California | 7.25% | 10.5% |
| State | Income Tax (Low) | Income Tax (High) |
| California | 1% | 13.3% |
| City | Population | Cost of Living Index | National Avg. |
| College City, CA | 212 | 116 | 16.4% |
| Maxwell, CA | 1,304 | 108 | 8.1% |
| Grimes, CA | 479 | 108 | 8.4% |
| Meridian, CA | 290 | 113 | 13.1% |
| Colusa, CA | 6,305 | 118 | 17.8% |
| Williams, CA | 5,439 | 120 | 20.5% |
| City | Population | Cost of Living Index | National Avg. |
| Tellico Village, TN | 5,438 | 135 | 35.3% |
| Williamsburg, KY | 5,440 | 83 | 17.5% |
| Montgomery, GA | 5,441 | 119 | 19.4% |
| Williamston, NC | 5,441 | 87 | 13.2% |
| Hightstown, NJ | 5,441 | 123 | 23.2% |
| Williams, CA | 5,439 | 120 | 20.5% |