| Index | Castalian Springs | Tennessee | National |
| Median home price | $0 | $146,000 | $184,700 |
| Median rent asked | $0 | $782 | $949 |
| Avg. people per household | 2.2 | 2.5 | 2.6 |
| Owner occupied households | 84.6% | 66.3% | 63.6% |
| Renter occupied households | 15.4% | 33.7% | 36.4% |
| Population | Home Price | National Avg. | |
| Graball, TN | 105 | $0 | 100% |
| Bransford, TN | 269 | $0 | 100% |
| Hartsville (Trousdale County) , TN | 7,970 | $129,100 | 30% |
| Bethpage, TN | 481 | $146,600 | 21% |
| Westmoreland, TN | 2,622 | $148,200 | 20% |
| Castalian Springs, TN | 397 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Eastman, WI | 397 | $142,900 | 23% |
| Ranchitos del Norte, TX | 397 | $0 | 100% |
| Newbury, VT | 397 | $223,200 | 21% |
| Fairhaven, MN | 397 | $164,400 | 11% |
| Chloride, AZ | 397 | $81,300 | 56% |
| Castalian Springs, TN | 397 | $0 | 100% |
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