county benchmark · Illinois
Median household income, 2018-2022
Across 102 counties in Illinois. Every rank carries its margin of error.
Distribution
| Percentile | Value |
|---|---|
| 10th percentile | $53,076 |
| 25th | $58,052 |
| Median | $63,573 |
| 75th | $71,080 |
| 90th percentile | $81,086 |
Highest counties
DuPage County leads reliably only from rank 4 downwards. Its estimate range overlaps those of the ranks above 4, which therefore cannot be separated from it at 90 % confidence.
| Rank | County | Estimate | Range (90 %) | Source |
|---|---|---|---|---|
| 1 | DuPage County | $107,035 | $105,777 – $108,293 | evidence → |
| 2 | Kendall County | $106,358 | $103,099 – $109,617 | evidence → |
| 3 | Lake County | $104,553 | $103,094 – $106,012 | evidence → |
| 4 | Will County | $103,678 | $102,236 – $105,120 | evidence → |
| 5 | Monroe County | $100,685 | $95,914 – $105,456 | evidence → |
| 6 | McHenry County | $100,101 | $97,795 – $102,407 | evidence → |
| 7 | Kane County | $96,400 | $94,659 – $98,141 | evidence → |
| 8 | Grundy County | $89,993 | $86,887 – $93,099 | evidence → |
| 9 | Calhoun County | $88,059 | $80,466 – $95,652 | evidence → |
| 10 | Menard County | $84,846 | $79,365 – $90,327 | evidence → |
| 11 | Piatt County | $81,151 | $72,456 – $89,846 | evidence → |
| 12 | Boone County | $80,502 | $76,743 – $84,261 | evidence → |
| 13 | Woodford County | $80,093 | $76,069 – $84,117 | evidence → |
| 14 | Cook County | $78,304 | $77,733 – $78,875 | evidence → |
| 15 | Clinton County | $78,054 | $74,468 – $81,640 | evidence → |
| 16 | Jersey County | $77,607 | $70,170 – $85,044 | evidence → |
| 17 | Ogle County | $75,782 | $72,578 – $78,986 | evidence → |
| 18 | Putnam County | $75,726 | $68,188 – $83,264 | evidence → |
| 19 | McLean County | $75,356 | $72,765 – $77,947 | evidence → |
| 20 | Washington County | $75,111 | $70,266 – $79,956 | evidence → |
Machine access — free, no API key
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