What is the richest county in Iowa?
Dallas County is the richest county in Iowa by median household income at $102,349, 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
| Polk County | $81,621 |
| Linn County | $76,421 |
| Scott County | $76,363 |
| Johnson County | $74,721 |
| Black Hawk County | $64,581 |
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Dallas County is the richest county in Iowa by median household income at $102,349, per Census ACS 5-Year estimates.