| Index | Newcastle | California | National |
| Cost of living | 153 | 140 | 100 |
| Goods & Services | 109 | 111 | 100 |
| Groceries | 108 | 112 | 100 |
| Health care | 113 | 109 | 100 |
| Housing | 250 | 196 | 100 |
| Transportation | 121 | 126 | 100 |
| Utilities | 114 | 127 | 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 | $88,688 | $7,391 | $2,069 | $2,661 |
| 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 | $40.00 | $24.26 | 64.9% |
| Beauty Salon | $60.53 | $45.56 | 32.8% |
| Toothpaste | $3.67 | $3.70 | 1.0% |
| Shampoo | $1.44 | $1.28 | 12.5% |
| Movie | $13.76 | $12.13 | 13.4% |
| Bowling | $22.22 | $18.00 | 23.5% |
| Item | Newcastle | National avg. | Difference |
| Ground Beef | $5.56 | $5.84 | 4.7% |
| Fried Chicken | $2.06 | $1.57 | 31.0% |
| Milk | $4.93 | $4.67 | 5.5% |
| Potatoes | $4.69 | $4.93 | 5.0% |
| Pizza | $13.98 | $12.09 | 15.7% |
| Beer | $10.49 | $10.41 | 0.8% |
| Item | Newcastle | National avg. | Difference |
| Optometrist | $153.50 | $125.68 | 22.1% |
| Doctor | $201.43 | $135.78 | 48.3% |
| Dentist | $115.72 | $113.29 | 2.1% |
| Ibuprofen | $11.03 | $10.65 | 3.5% |
| Lipitor | $380.45 | $468.60 | 18.8% |
| Item | Newcastle | National avg. | Difference |
| Home Price | $462,500.00 | $184,700.00 | 150.4% |
| Avg. Mortgage Payment | $3,182.68 | $2,346.69 | 35.6% |
| Apartment Rent | $0.00 | $949.00 | 100.0% |
| Item | Newcastle | National avg. | Difference |
| Gasoline | $4.51 | $3.46 | 30.2% |
| Tire Balancing | $58.67 | $59.92 | 2.1% |
| Item | Newcastle | National avg. | Difference |
| All Electricity | $238.53 | $193.99 | 23.0% |
| Phone | $190.81 | $192.25 | 0.7% |
| City | Population | Cost of Living Index | National Avg. |
| Cold Springs CDP (Tuolumne County), CA | 125 | 112 | 11.6% |
| Cold Springs, CA | 675 | 93 | 6.5% |
| McClellan Park, CA | 843 | 115 | 14.7% |
| North Highlands, CA | 48,660 | 117 | 17.0% |
| Foothill Farms, CA | 35,711 | 121 | 21.0% |
| Newcastle, CA | 1,360 | 153 | 53.2% |
| City | Population | Cost of Living Index | National Avg. |
| Hays, NC | 1,360 | 87 | 13.2% |
| Gillam, MB | 1,360 | n/a | |
| Garberville, CA | 1,361 | 128 | 28.0% |
| Sanborn, IA | 1,359 | 82 | 18.4% |
| Dayton, IN | 1,359 | 92 | 8.0% |
| Newcastle, CA | 1,360 | 153 | 53.2% |