| Index | Castalian Springs | Tennessee | National |
| Income per capita | $55,110 | $39,391 | $44,883 |
| Median household income | $156,346 | $70,292 | $81,333 |
| Median income owner occupied | $156,260 | $88,122 | $106,172 |
| Median income renter occupied | $0 | $42,945 | $52,080 |
| Median earnings male | $79,690 | $47,853 | $54,343 |
| Median earnings female | $78,151 | $35,679 | $38,439 |
| Unemployment rate | 4.1% | 4.8% | 4.9% |
| Poverty level | 8.3% | 17.2% | 15.1% |

| 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 | 36,915 | $138,769 | 70.6% |
| Green Hill, TN | 7,567 | $135,694 | 66.8% |
| Bethpage, TN | 494 | $114,941 | 41.3% |
| Graball, TN | 107 | $103,133 | 26.8% |
| Gallatin, TN | 41,372 | $90,850 | 11.7% |
| Castalian Springs, TN | 405 | $156,346 | 92.2% |
| City | Population | Household Income | National Avg. |
| Twin, AL | 405 | $0 | 100.0% |
| Drysdale, AZ | 405 | $46,211 | 43.2% |
| Carbon, IN | 405 | $75,372 | 7.3% |
| Clifton, KS | 405 | $62,575 | 23.1% |
| Pomfret, MD | 405 | $149,586 | 83.9% |
| Castalian Springs, TN | 405 | $156,346 | 92.2% |