Ranking of Illinois Counties By Average Household Income in 2021 (ACS-5Yrs)
Updated on March 13, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the Average Household Income for Illinois was $100,719. Among all Illinois counties, Lake County had the highest average household income ($136,312), followed by DuPage County ($133,288), and Will County ($116,288). On the other hand, the following 3 counties had the lowest average household income: Alexander County ($52,409), Pulaski County ($57,467), and Pope County ($58,660).
The chart below shows the top 10 Illinois counties with high average household income, and the table below shows the ranking of all Illinois counties.
You can also see similar information for other states and for the United States.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Counties By Average Household Income in 2021
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| Rank | County | Average Household Income ($) |
|---|---|---|
| 1 | Lake County | 136312 |
| 2 | DuPage County | 133288 |
| 3 | Will County | 116288 |
| 4 | McHenry County | 115692 |
| 5 | Kendall County | 115448 |
| 6 | Kane County | 115083 |
| 7 | Monroe County | 110395 |
| 8 | Cook County | 104880 |
| 9 | Grundy County | 98728 |
| 10 | Woodford County | 98120 |
| 11 | Menard County | 93477 |
| 12 | Boone County | 93405 |
| 13 | McLean County | 92126 |
| 14 | Clinton County | 91452 |
| 15 | Jersey County | 90878 |
| 16 | Piatt County | 90616 |
| 17 | Calhoun County | 88930 |
| 18 | Sangamon County | 87022 |
| 19 | Madison County | 86134 |
| 20 | Effingham County | 86133 |
| 21 | Tazewell County | 85916 |
| 22 | Peoria County | 83652 |
| 23 | St. Clair County | 81455 |
| 24 | Ogle County | 80935 |
| 25 | Henry County | 80860 |
| 26 | Moultrie County | 80594 |
| 27 | Champaign County | 80535 |
| 28 | DeKalb County | 80426 |
| 29 | Washington County | 80047 |
| 30 | Logan County | 79647 |
| 31 | LaSalle County | 79253 |
| 32 | Putnam County | 78688 |
| 33 | Kankakee County | 78587 |
| 34 | Clark County | 78124 |
| 35 | Cumberland County | 78086 |
| 36 | Jo Daviess County | 77817 |
| 37 | Livingston County | 76526 |
| 38 | Gallatin County | 76488 |
| 39 | Adams County | 76259 |
| 40 | Lee County | 76253 |
| 41 | Whiteside County | 76215 |
| 42 | Macon County | 76180 |
| 43 | Douglas County | 76171 |
| 44 | Winnebago County | 75845 |
| 45 | Crawford County | 75568 |
| 46 | Bureau County | 75299 |
| 47 | Greene County | 75235 |
| 48 | Hancock County | 75120 |
| 49 | Rock Island County | 74859 |
| 50 | Mercer County | 74605 |
| 51 | Henderson County | 74603 |
| 51 | Scott County | 74603 |
| 52 | Lawrence County | 74047 |
| 53 | De Witt County | 73939 |
| 54 | Macoupin County | 73916 |
| 55 | Williamson County | 73876 |
| 56 | Johnson County | 73716 |
| 57 | Jasper County | 73667 |
| 58 | Warren County | 73456 |
| 59 | Fulton County | 73145 |
| 60 | Clay County | 73060 |
| 61 | Ford County | 72245 |
| 62 | Iroquois County | 72196 |
| 63 | Morgan County | 72187 |
| 64 | Montgomery County | 71899 |
| 65 | Bond County | 71898 |
| 66 | Schuyler County | 71766 |
| 67 | Randolph County | 71696 |
| 68 | Marshall County | 71574 |
| 69 | Stark County | 71337 |
| 70 | Jefferson County | 71322 |
| 71 | Mason County | 71207 |
| 72 | Coles County | 71094 |
| 73 | Shelby County | 71059 |
| 74 | Saline County | 71016 |
| 75 | Hamilton County | 70784 |
| 76 | Carroll County | 70684 |
| 77 | Richland County | 70327 |
| 78 | Wabash County | 70128 |
| 79 | Brown County | 69410 |
| 80 | Stephenson County | 69204 |
| 81 | Union County | 68909 |
| 82 | Hardin County | 68378 |
| 83 | Cass County | 68340 |
| 84 | Christian County | 67861 |
| 85 | Marion County | 67204 |
| 86 | Edwards County | 66327 |
| 87 | White County | 66148 |
| 88 | Massac County | 66140 |
| 89 | Perry County | 65926 |
| 90 | Pike County | 65686 |
| 91 | Edgar County | 64991 |
| 92 | Vermilion County | 64866 |
| 93 | Wayne County | 64141 |
| 94 | Jackson County | 64120 |
| 95 | Fayette County | 64006 |
| 96 | McDonough County | 63009 |
| 97 | Knox County | 62348 |
| 98 | Franklin County | 61342 |
| 99 | Pope County | 58660 |
| 100 | Pulaski County | 57467 |
| 101 | Alexander County | 52409 |