Illinois Census Data Comparison Tool

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Ranking Counties by Wealth Index (last updated July 1, 2021)

There are 20 records sorted in descending order.

The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


County Wealth Index
1. Lake County 167
2. DuPage County 162
3. McHenry County 137
4. Monroe County 136
5. Will County 133
6. Kane County 127
7. Kendall County 123
8. Woodford County 119
9. Boone County 112
10. Cook County 103
11. Menard County 102
12. Grundy County 99
13. McLean County 96
14. Madison County 96
15. Piatt County 92
16. Peoria County 90
17. Sangamon County 89
18. Jo Daviess County 88
19. Tazewell County 87
20. Clinton County 83

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Illinois Census Data Comparison Tool

Compare Illinois July 1, 2021 Data
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