| Index | Castalian Springs | Tennessee | National |
| Income per capita | $37,100 | $26,019 | $29,829 |
| Median household income | $105,648 | $46,574 | $55,322 |
| Median income owner occupied | $106,759 | $58,570 | $70,586 |
| Median income renter occupied | $0 | $28,937 | $35,192 |
| Median earnings male | $53,527 | $32,560 | $36,919 |
| Median earnings female | $53,194 | $24,186 | $26,250 |
| Unemployment rate | 3.9% | 4.6% | 4.7% |
| Poverty level | 8.3% | 17.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 18.9% | 18.9% |
| Financial & insurance services | 9.8% | 9.8% |
| Wholesale & retail services | 5.3% | 5.3% |
| Public administration | 9.1% | 9.1% |
| Transportation, warehousing & utilities | 4.5% | 4.5% |
| Education, health & social services | 27.3% | 27.3% |
| Other | 14.4% | 14.4% |
| City | Population | Household Income | National Avg. |
| Mount Juliet, TN | 35,834 | $93,096 | 68.3% |
| Green Hill, TN | 7,308 | $92,295 | 66.8% |
| Bethpage, TN | 481 | $78,594 | 42.1% |
| Graball, TN | 105 | $69,167 | 25.0% |
| New Deal, TN | 242 | $61,607 | 11.4% |
| Castalian Springs, TN | 397 | $105,648 | 91.0% |
| City | Population | Household Income | National Avg. |
| Sulphur Springs city, AR | 397 | $24,773 | 55.2% |
| Chloride, AZ | 397 | $27,438 | 50.4% |
| Wellton Hills, AZ | 397 | $97,466 | 76.2% |
| Melvin, IL | 397 | $46,071 | 16.7% |
| Fairhaven, MN | 397 | $65,750 | 18.8% |
| Castalian Springs, TN | 397 | $105,648 | 91.0% |