What is the richest county in Missouri?
St. Charles County is the richest county in Missouri by median household income at $102,912, per Census ACS 5-Year estimates.
Context
Wealthy counties tend to cluster around major employment hubs, university towns, and resort communities. They typically combine high educational attainment, knowledge-economy jobs, and constrained housing supply that filters for affluent residents.
Top 10
| St. Louis County | $81,340 |
| Jackson County | $67,178 |
| St. Charles County | $102,912 |
| Greene County | $57,488 |
| St. Louis city | $55,279 |
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Frequently Asked Questions
St. Charles County is the richest county in Missouri by median household income at $102,912, per Census ACS 5-Year estimates.