county benchmark · Iowa
Median household income, 2017-2021
Across 99 counties in Iowa. Every rank carries its margin of error.
Distribution
| Percentile | Value |
|---|---|
| 10th percentile | $53,182 |
| 25th | $56,464 |
| Median | $60,617 |
| 75th | $66,865 |
| 90th percentile | $72,774 |
Highest counties
Dallas County leads reliably only from rank 2 downwards. Its estimate range overlaps those of the ranks above 2, which therefore cannot be separated from it at 90 % confidence.
| Rank | County | Estimate | Range (90 %) | Source |
|---|---|---|---|---|
| 1 | Dallas County | $93,492 | $90,096 – $96,888 | evidence → |
| 2 | Warren County | $85,189 | $82,354 – $88,024 | evidence → |
| 3 | Madison County | $79,306 | $73,829 – $84,783 | evidence → |
| 4 | Sioux County | $78,179 | $74,773 – $81,585 | evidence → |
| 5 | Mills County | $77,926 | $73,739 – $82,113 | evidence → |
| 6 | Bremer County | $76,782 | $73,345 – $80,219 | evidence → |
| 7 | Davis County | $76,755 | $69,075 – $84,435 | evidence → |
| 8 | Grundy County | $74,552 | $71,632 – $77,472 | evidence → |
| 9 | Plymouth County | $74,239 | $71,127 – $77,351 | evidence → |
| 10 | Polk County | $73,015 | $71,966 – $74,064 | evidence → |
| 11 | Cedar County | $72,714 | $69,362 – $76,066 | evidence → |
| 12 | Benton County | $72,334 | $68,708 – $75,960 | evidence → |
| 13 | Buchanan County | $71,024 | $66,814 – $75,234 | evidence → |
| 14 | Boone County | $70,984 | $65,181 – $76,787 | evidence → |
| 15 | Linn County | $70,360 | $69,335 – $71,385 | evidence → |
| 16 | Monroe County | $69,929 | $63,191 – $76,667 | evidence → |
| 17 | Delaware County | $69,319 | $65,995 – $72,643 | evidence → |
| 18 | Lyon County | $69,113 | $65,173 – $73,053 | evidence → |
| 19 | Dubuque County | $68,198 | $65,847 – $70,549 | evidence → |
| 20 | Harrison County | $67,950 | $64,474 – $71,426 | evidence → |
Machine access — free, no API key
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