county benchmark · Illinois
Median household income, 2019-2023
Across 102 counties in Illinois. Every rank carries its margin of error.
Distribution
| Percentile | Value |
|---|---|
| 10th percentile | $54,546 |
| 25th | $60,796 |
| Median | $65,189 |
| 75th | $73,839 |
| 90th percentile | $85,298 |
Highest counties
DuPage County leads reliably only from rank 5 downwards. Its estimate range overlaps those of the ranks above 5, which therefore cannot be separated from it at 90 % confidence.
| Rank | County | Estimate | Range (90 %) | Source |
|---|---|---|---|---|
| 1 | DuPage County | $110,502 | $109,082 – $111,922 | evidence → |
| 2 | Kendall County | $110,474 | $106,548 – $114,400 | evidence → |
| 3 | Lake County | $108,917 | $107,361 – $110,473 | evidence → |
| 4 | Will County | $107,799 | $106,513 – $109,085 | evidence → |
| 5 | McHenry County | $102,836 | $100,763 – $104,909 | evidence → |
| 6 | Monroe County | $101,635 | $96,511 – $106,759 | evidence → |
| 7 | Kane County | $100,678 | $98,799 – $102,557 | evidence → |
| 8 | Grundy County | $93,060 | $88,284 – $97,836 | evidence → |
| 9 | Calhoun County | $92,095 | $85,041 – $99,149 | evidence → |
| 10 | Piatt County | $87,516 | $80,215 – $94,817 | evidence → |
| 11 | Woodford County | $85,629 | $80,725 – $90,533 | evidence → |
| 12 | Clinton County | $82,314 | $78,256 – $86,372 | evidence → |
| 13 | Cook County | $81,797 | $81,158 – $82,436 | evidence → |
| 14 | Boone County | $81,638 | $77,189 – $86,087 | evidence → |
| 15 | Menard County | $81,334 | $76,404 – $86,264 | evidence → |
| 16 | Ogle County | $79,244 | $76,059 – $82,429 | evidence → |
| 17 | Jersey County | $79,104 | $71,714 – $86,494 | evidence → |
| 18 | McLean County | $78,329 | $75,459 – $81,199 | evidence → |
| 19 | Putnam County | $77,526 | $70,966 – $84,086 | evidence → |
| 20 | Tazewell County | $76,704 | $74,928 – $78,480 | evidence → |
Machine access — free, no API key
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