| Index | Twin Oaks | Missouri | National |
| Income per capita | $92,781 | $39,715 | $44,883 |
| Median household income | $147,548 | $72,613 | $81,333 |
| Median income owner occupied | $113,239 | $90,986 | $106,172 |
| Median income renter occupied | $147,342 | $45,210 | $52,080 |
| Median earnings male | $149,895 | $52,324 | $54,343 |
| Median earnings female | $56,278 | $36,971 | $38,439 |
| Unemployment rate | 0.4% | 4.4% | 4.9% |
| Poverty level | 1.2% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.6% | 6.6% |
| Manufacturing sector | 1.7% | 1.7% |
| Financial & insurance services | 6.1% | 6.1% |
| Wholesale & retail services | 53.3% | 53.3% |
| Public administration | 0.9% | 0.9% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 6.1% | 6.1% |
| Other | 23.6% | 23.6% |
| City | Population | Household Income | National Avg. |
| Westwood, MO | 321 | $368,561 | 353.2% |
| Ladue, MO | 8,903 | $368,480 | 353.1% |
| Huntleigh, MO | 463 | $365,824 | 349.8% |
| Country Life Acres, MO | 54 | $365,640 | 349.6% |
| Clarkson Valley, MO | 2,697 | $312,556 | 284.3% |
| Twin Oaks, MO | 536 | $147,548 | 81.4% |
| City | Population | Household Income | National Avg. |
| Mountain Pine, AR | 536 | $46,650 | 42.6% |
| Como, IL | 536 | $119,912 | 47.4% |
| Painted Hills, IN | 536 | $96,471 | 18.6% |
| Deerfield, MA | 536 | $0 | 100.0% |
| Webbers Falls, OK | 536 | $55,903 | 31.3% |
| Twin Oaks, MO | 536 | $147,548 | 81.4% |