| Index | Newcastle | California | National |
| Cost of living | 159 | 143 | 100 |
| Goods & Services | 110 | 115 | 100 |
| Groceries | 105 | 108 | 100 |
| Health care | 106 | 103 | 100 |
| Housing | 251 | 197 | 100 |
| Transportation | 134 | 136 | 100 |
| Utilities | 163 | 144 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $134,117 | $11,176 | $3,129 | $4,024 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| California | 7.25% | 10.5% |
| State | Income Tax (Low) | Income Tax (High) |
| California | 1% | 13.3% |
| Item | Newcastle | National avg. | Difference |
| Haircut | $40.90 | $27.62 | 48.1% |
| Beauty Salon | $67.22 | $51.11 | 31.5% |
| Toothpaste | $4.07 | $4.09 | 0.6% |
| Shampoo | $1.99 | $1.54 | 29.1% |
| Movie | $15.54 | $12.88 | 20.7% |
| Yoga | $23.00 | $19.66 | 17.0% |
| Item | Newcastle | National avg. | Difference |
| Ground Beef | $8.05 | $7.70 | 4.5% |
| Fried Chicken | $2.54 | $1.66 | 52.8% |
| Milk | $5.07 | $4.73 | 7.1% |
| Potatoes | $4.85 | $5.26 | 7.7% |
| Pizza | $15.44 | $12.76 | 21.0% |
| Beer | $10.92 | $10.55 | 3.5% |
| Item | Newcastle | National avg. | Difference |
| Optometrist | $163.40 | $140.06 | 16.7% |
| Doctor | $205.44 | $153.82 | 33.6% |
| Dentist | $118.00 | $123.15 | 4.2% |
| Ibuprofen | $11.93 | $11.73 | 1.7% |
| Lipitor | $20.33 | $23.61 | 13.9% |
| Item | Newcastle | National avg. | Difference |
| Home Price | $820,511.00 | $326,622.00 | 151.2% |
| Avg. Mortgage Payment | $3,360.11 | $2,480.25 | 35.5% |
| Apartment Rent | $0.00 | $1,444.00 | 100.0% |
| Item | Newcastle | National avg. | Difference |
| Gasoline | $4.47 | $3.06 | 46.2% |
| Tire Balancing | $68.32 | $65.21 | 4.8% |
| Item | Newcastle | National avg. | Difference |
| All Electricity | $446.59 | $220.12 | 102.9% |
| Phone | $193.21 | $195.71 | 1.3% |
| City | Population | Cost of Living Index | National Avg. |
| Cold Springs CDP (Tuolumne County), CA | 128 | 120 | 19.8% |
| Cold Springs, CA | 698 | 99 | 0.7% |
| McClellan Park, CA | 870 | 120 | 20.3% |
| North Highlands, CA | 50,172 | 123 | 22.5% |
| Sheridan, CA | 1,143 | 128 | 27.5% |
| Newcastle, CA | 1,397 | 159 | 59.2% |
| City | Population | Cost of Living Index | National Avg. |
| Oxford, IN | 1,397 | 84 | 16.1% |
| Reese, MI | 1,397 | 88 | 11.6% |
| Plandome, NY | 1,397 | 420 | 320.3% |
| Palmdale, PA | 1,397 | 104 | 4.0% |
| South Wenatchee, WA | 1,397 | 101 | 0.6% |
| Newcastle, CA | 1,397 | 159 | 59.2% |