Richest & Poorest Counties in Illinois

Illinois has 102 counties. The wealthiest county by median household income is DuPage County at $112,096 , while the lowest-income county is Pulaski County at $42,463 . The statewide median household income is $83,390, compared to the national median of $75,149.

Geography

Counties Zip Codes

Metric

Richest Counties in Illinois

Top 10 counties ranked by median household income.

# County Income
1 DuPage County $112,096
2 Kendall County $111,601
3 Lake County $110,416
4 Will County $109,984
5 McHenry County $104,802
6 Kane County $103,163
7 Monroe County $102,880
8 Piatt County $94,811
9 Calhoun County $93,203
10 Grundy County $92,235

Poorest Counties in Illinois

Bottom 10 counties ranked by median household income.

# County Income
102 Pulaski County $42,463
101 Alexander County $47,043
100 Jackson County $48,763
99 McDonough County $52,795
98 Saline County $53,117
97 Hardin County $54,271
96 White County $54,813
95 Lawrence County $55,324
94 Wayne County $55,521
93 Union County $55,728

All 102 Counties Ranked

Every county in Illinois ranked by median household income. Click any county for its full profile.

# County Income
1 DuPage County $112,096
2 Kendall County $111,601
3 Lake County $110,416
4 Will County $109,984
5 McHenry County $104,802
6 Kane County $103,163
7 Monroe County $102,880
8 Piatt County $94,811
9 Calhoun County $93,203
10 Grundy County $92,235
11 Woodford County $91,483
12 Clinton County $86,588
13 Boone County $84,571
14 Cook County $83,498
15 Menard County $82,176
16 Ogle County $82,132
17 Effingham County $80,404
18 Jersey County $80,361
19 McLean County $79,905
20 Washington County $78,224
21 Tazewell County $77,982
22 Douglas County $77,320
23 Madison County $75,793
24 Putnam County $75,590
25 Sangamon County $75,357
26 Jasper County $74,755
27 Mercer County $74,182
28 Jo Daviess County $73,993
29 St. Clair County $73,854
30 Livingston County $73,790
31 Cumberland County $73,327
32 LaSalle County $73,045
33 Clark County $72,927
34 Shelby County $72,095
35 Henry County $71,911
36 Moultrie County $71,784
37 De Witt County $71,678
38 Crawford County $71,674
39 Marshall County $71,585
40 Kankakee County $71,281
41 Macoupin County $70,805
42 DeKalb County $70,724
43 Lee County $70,292
44 Bureau County $69,257
45 Randolph County $68,131
46 Cass County $68,125
47 Brown County $67,917
48 Whiteside County $67,500
49 Warren County $67,385
50 Rock Island County $67,159
51 Scott County $66,705
52 Logan County $66,358
53 Morgan County $66,306
54 Iroquois County $66,255
55 Adams County $66,220
56 Bond County $65,959
57 Schuyler County $65,948
58 Hancock County $65,865
59 Winnebago County $65,837
60 Hamilton County $65,746
61 Williamson County $65,604
62 Massac County $65,116
63 Peoria County $65,108
64 Stephenson County $64,043
65 Champaign County $63,683
66 Montgomery County $63,620
67 Jefferson County $63,118
68 Stark County $62,878
69 Mason County $62,845
70 Macon County $62,666
71 Christian County $62,611
72 Johnson County $62,528
73 Richland County $62,455
74 Ford County $62,439
75 Henderson County $62,227
76 Greene County $62,192
77 Perry County $62,118
78 Marion County $61,240
79 Fayette County $60,944
80 Carroll County $60,758
81 Fulton County $60,599
82 Edwards County $60,519
83 Clay County $60,417
84 Pope County $60,050
85 Edgar County $59,941
86 Pike County $59,777
87 Gallatin County $59,219
88 Wabash County $57,086
89 Knox County $57,030
90 Vermilion County $56,877
91 Franklin County $56,740
92 Coles County $56,478
93 Union County $55,728
94 Wayne County $55,521
95 Lawrence County $55,324
96 White County $54,813
97 Hardin County $54,271
98 Saline County $53,117
99 McDonough County $52,795
100 Jackson County $48,763
101 Alexander County $47,043
102 Pulaski County $42,463

About This Data

All figures are estimates from the American Community Survey 2024 5-Year Estimates, published by the U.S. Census Bureau. Values are subject to sampling variability and margin of error.

Rankings are within Illinois only and may differ from national rankings. For more information, see our methodology.