| Index | Weldon Spring | Missouri | National |
| Income per capita | $62,428 | $27,044 | $29,829 |
| Median household income | $117,297 | $49,593 | $55,322 |
| Median income owner occupied | $129,961 | $62,242 | $70,586 |
| Median income renter occupied | $57,891 | $30,016 | $35,192 |
| Median earnings male | $91,975 | $34,901 | $36,919 |
| Median earnings female | $44,679 | $24,771 | $26,250 |
| Unemployment rate | 1.7% | 4.1% | 4.7% |
| Poverty level | 1.5% | 15.3% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 15.8% | 15.8% |
| Manufacturing sector | 13.2% | 13.2% |
| Financial & insurance services | 6.6% | 6.6% |
| Wholesale & retail services | 28.4% | 28.4% |
| Public administration | 1.5% | 1.5% |
| Transportation, warehousing & utilities | 6.7% | 6.7% |
| Education, health & social services | 5.5% | 5.5% |
| Other | 21.3% | 21.3% |
| City | Population | Household Income | National Avg. |
| Country Life Acres, MO | 52 | $250,001 | 351.9% |
| Westwood, MO | 314 | $250,001 | 351.9% |
| Clarkson Valley, MO | 2,619 | $208,000 | 276.0% |
| Town and Country, MO | 11,109 | $202,974 | 266.9% |
| Frontenac, MO | 3,538 | $174,676 | 215.7% |
| Weldon Spring, MO | 5,536 | $117,297 | 112.0% |
| City | Population | Household Income | National Avg. |
| Byron, MN | 5,536 | $104,213 | 88.4% |
| Bessemer City, NC | 5,536 | $39,055 | 29.4% |
| Franklin Center, NJ | 5,536 | $109,167 | 97.3% |
| Swartz Creek, MI | 5,535 | $52,669 | 4.8% |
| Pelham Manor, NY | 5,535 | $190,427 | 244.2% |
| Weldon Spring, MO | 5,536 | $117,297 | 112.0% |
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