Census ACS 2023 · 102 counties
Richest Counties in Illinois
Income varies significantly across Illinois's 102 counties. DuPage County leads with a median household income of $110,502. County-level income data reveals economic disparities within the state that statewide averages can mask — affluent suburban counties often have incomes 2-3x higher than rural counties in the same state. These differences affect school funding, public services, and quality of life.
Source: Census ACS 2023 5-Year Estimates
| # | County | Median Income | Population |
|---|---|---|---|
| 1 | Woodford County | $85,629 | 38,348 |
| 2 | Winnebago County | $64,363 | 283,289 |
| 3 | Williamson County | $65,521 | 66,902 |
| 4 | Will County | $107,799 | 698,450 |
| 5 | Whiteside County | $64,536 | 55,192 |
| 6 | White County | $53,097 | 13,708 |
| 7 | Wayne County | $53,107 | 15,994 |
| 8 | Washington County | $75,652 | 13,682 |
| 9 | Warren County | $64,650 | 16,576 |
| 10 | Wabash County | $53,650 | 11,199 |
| 11 | Vermilion County | $54,537 | 73,179 |
| 12 | Union County | $56,420 | 16,972 |
| 13 | Tazewell County | $76,704 | 130,555 |
| 14 | Stephenson County | $61,943 | 44,042 |
| 15 | Stark County | $62,284 | 5,324 |
| 16 | St. Clair County | $70,178 | 254,777 |
| 17 | Shelby County | $68,457 | 20,867 |
| 18 | Scott County | $73,013 | 4,847 |
| 19 | Schuyler County | $66,059 | 6,826 |
| 20 | Sangamon County | $74,114 | 195,217 |
| 21 | Saline County | $54,945 | 23,387 |
| 22 | Rock Island County | $66,768 | 142,995 |
| 23 | Richland County | $60,404 | 15,675 |
| 24 | Randolph County | $68,870 | 30,142 |
| 25 | Putnam County | $77,526 | 5,600 |
| 26 | Pulaski County | $43,227 | 5,074 |
| 27 | Pope County | $62,500 | 3,757 |
| 28 | Pike County | $58,029 | 14,625 |
| 29 | Piatt County | $87,516 | 16,702 |
| 30 | Perry County | $59,286 | 20,810 |
| 31 | Peoria County | $64,938 | 179,831 |
| 32 | Ogle County | $79,244 | 51,536 |
| 33 | Moultrie County | $71,676 | 14,469 |
| 34 | Morgan County | $65,175 | 32,621 |
| 35 | Montgomery County | $61,863 | 28,078 |
| 36 | Monroe County | $101,635 | 34,969 |
| 37 | Mercer County | $71,710 | 15,619 |
| 38 | Menard County | $81,334 | 12,169 |
| 39 | McLean County | $78,329 | 170,882 |
| 40 | McHenry County | $102,836 | 311,366 |
| 41 | McDonough County | $50,434 | 27,102 |
| 42 | Massac County | $62,584 | 13,958 |
| 43 | Mason County | $62,127 | 12,878 |
| 44 | Marshall County | $69,818 | 11,715 |
| 45 | Marion County | $60,839 | 37,294 |
| 46 | Madison County | $74,800 | 264,631 |
| 47 | Macoupin County | $68,518 | 44,566 |
| 48 | Macon County | $62,449 | 102,591 |
| 49 | Logan County | $64,188 | 27,870 |
| 50 | Livingston County | $70,796 | 35,659 |
| 51 | Lee County | $68,459 | 34,058 |
| 52 | Lawrence County | $53,438 | 15,137 |
| 53 | LaSalle County | $72,281 | 109,049 |
| 54 | Lake County | $108,917 | 711,885 |
| 55 | Knox County | $53,291 | 49,294 |
| 56 | Kendall County | $110,474 | 135,053 |
| 57 | Kankakee County | $68,325 | 106,833 |
| 58 | Kane County | $100,678 | 516,097 |
| 59 | Johnson County | $65,203 | 13,350 |
| 60 | Jo Daviess County | $74,954 | 21,918 |
| 61 | Jersey County | $79,104 | 21,336 |
| 62 | Jefferson County | $61,102 | 36,808 |
| 63 | Jasper County | $71,094 | 9,233 |
| 64 | Jackson County | $45,572 | 52,706 |
| 65 | Iroquois County | $62,439 | 26,746 |
| 66 | Henry County | $69,912 | 48,948 |
| 67 | Henderson County | $65,651 | 6,284 |
| 68 | Hardin County | $57,155 | 3,623 |
| 69 | Hancock County | $65,044 | 17,434 |
| 70 | Hamilton County | $61,520 | 7,972 |
| 71 | Grundy County | $93,060 | 52,920 |
| 72 | Greene County | $60,976 | 11,837 |
| 73 | Gallatin County | $54,626 | 4,857 |
| 74 | Fulton County | $58,617 | 33,259 |
| 75 | Franklin County | $53,471 | 37,541 |
| 76 | Ford County | $60,782 | 13,396 |
| 77 | Fayette County | $57,113 | 21,380 |
| 78 | Effingham County | $75,380 | 34,505 |
| 79 | Edwards County | $59,386 | 6,118 |
| 80 | Edgar County | $56,909 | 16,637 |
| 81 | DuPage County | $110,502 | 927,263 |
| 82 | Douglas County | $74,186 | 19,686 |
| 83 | DeKalb County | $69,022 | 100,512 |
| 84 | De Witt County | $64,802 | 15,461 |
| 85 | Cumberland County | $69,826 | 10,378 |
| 86 | Crawford County | $67,614 | 18,588 |
| 87 | Cook County | $81,797 | 5,185,812 |
| 88 | Coles County | $56,040 | 46,689 |
| 89 | Clinton County | $82,314 | 36,899 |
| 90 | Clay County | $57,266 | 13,173 |
| 91 | Clark County | $70,625 | 15,328 |
| 92 | Christian County | $59,253 | 33,684 |
| 93 | Champaign County | $63,091 | 206,098 |
| 94 | Cass County | $64,907 | 12,826 |
| 95 | Carroll County | $60,871 | 15,621 |
| 96 | Calhoun County | $92,095 | 4,406 |
| 97 | Bureau County | $65,894 | 33,027 |
| 98 | Brown County | $72,288 | 6,320 |
| 99 | Boone County | $81,638 | 53,316 |
| 100 | Bond County | $61,603 | 16,627 |
| 101 | Alexander County | $43,523 | 5,042 |
| 102 | Adams County | $64,962 | 65,166 |
More Rankings for Illinois
Frequently Asked Questions
DuPage County is the #1 ranked county in Illinois by median household income, with a value of $110,502 according to Census ACS 2023 data.
Illinois has 102 counties tracked in Census ACS 2023 data.
All data comes from the American Community Survey (ACS) 2023 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 2023 5-Year estimates. Covers all counties in Illinois.