| Index | Twain Harte | California | National |
| Cost of living | 128 | 141 | 100 |
| Groceries | 109 | 111 | 100 |
| Health care | 115 | 116 | 100 |
| Housing | 160 | 197 | 100 |
| Transportation | 115 | 118 | 100 |
| Utilities | 117 | 119 | 100 |
| Lifestyle & Entertainment | 114 | 120 | 100 |
| Household Items | 110 | 111 | 100 |
| Education & Childcare | 124 | 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 | $109,215 | $9,101 | $2,548 | $3,277 |
| Renters | $74,845 | $6,237 | $1,746 | $2,246 |
| 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. |
| Chinese Camp, CA | 150 | 117 | 16.8% |
| Long Barn, CA | 92 | 117 | 16.8% |
| Jamestown, CA | 3,515 | 113 | 13.5% |
| Sierra Village, CA | 234 | 115 | 15.3% |
| Tuolumne City, CA | 1,460 | 119 | 19.4% |
| Twain Harte, CA | 2,593 | 128 | 28.2% |
| City | Population | Cost of Living Index | National Avg. |
| Seekaskootch 119, SK | 2,593 | n/a | |
| Whittingham, NJ | 2,592 | 129 | 29.4% |
| Sisseton, SD | 2,592 | 85 | 14.6% |
| Greater Madawaska, ON | 2,592 | n/a | |
| Honaunau-Napoopoo, HI | 2,594 | 157 | 57.0% |
| Twain Harte, CA | 2,593 | 128 | 28.2% |