| Index | Weldon Spring Heights | Missouri | National |
| Income per capita | $67,419 | $39,715 | $44,883 |
| Median household income | $221,672 | $72,613 | $81,333 |
| Median income owner occupied | $219,111 | $90,986 | $106,172 |
| Median income renter occupied | $0 | $45,210 | $52,080 |
| Median earnings male | $176,315 | $52,324 | $54,343 |
| Median earnings female | $0 | $36,971 | $38,439 |
| Unemployment rate | 4.5% | 4.4% | 4.9% |
| Poverty level | 3.3% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 24.1% | 24.1% |
| Manufacturing sector | 31.0% | 31.0% |
| Financial & insurance services | 6.9% | 6.9% |
| Wholesale & retail services | 6.9% | 6.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 13.8% | 13.8% |
| Other | 17.2% | 17.2% |
| City | Population | Household Income | National Avg. |
| Westwood, MO | 321 | $368,561 | 353.2% |
| 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% |
| Town and Country, MO | 11,464 | $307,729 | 278.4% |
| Weldon Spring Heights, MO | 122 | $221,672 | 172.5% |
| City | Population | Household Income | National Avg. |
| Delta, AL | 122 | $0 | 100.0% |
| Haynes, AR | 122 | $54,111 | 33.5% |
| Hunter, AR | 122 | $0 | 100.0% |
| Bryce, AZ | 122 | $0 | 100.0% |
| Montgomery Creek, CA | 122 | $44,433 | 45.4% |
| Weldon Spring Heights, MO | 122 | $221,672 | 172.5% |