| Index | Newcastle | California | National |
| Median home price | $462,500 | $409,300 | $184,700 |
| Median rent asked | $0 | $1,297 | $949 |
| Avg. people per household | 2.0 | 3.0 | 2.6 |
| Owner occupied households | 94.0% | 54.1% | 63.6% |
| Renter occupied households | 6.0% | 45.9% | 36.4% |
| Population | Home Price | National Avg. | |
| Cold Springs CDP (Tuolumne County), CA | 125 | $0 | 100% |
| McClellan Park, CA | 843 | $0 | 100% |
| Cold Springs, CA | 675 | $29,000 | 84% |
| North Highlands, CA | 48,660 | $241,800 | 31% |
| Sheridan, CA | 1,120 | $269,900 | 46% |
| Newcastle, CA | 1,360 | $462,500 | 150% |
| Population | Home Price | National Avg. | |
| Hays, NC | 1,360 | $93,200 | 50% |
| Hyde, PA | 1,361 | $85,300 | 54% |
| Dayton, IN | 1,359 | $131,800 | 29% |
| Sanborn, IA | 1,359 | $97,800 | 47% |
| Garberville, CA | 1,361 | $355,900 | 93% |
| Newcastle, CA | 1,360 | $462,500 | 150% |
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