Illinois locations by per capita income Illinois counties ranked by per capita income Illinois counties ranked by per capita income

| County | Per_capita_income | Median_household_income | Median_family_income | Population | Number_of_households |
|---|---|---|---|---|---|
| Tazewell | $27,036 | $54,232 | $66,764 | 135394 | 54146 |
| Putnam | $27,004 | $56,458 | $68,875 | 6006 | 2509 |
| Jo Daviess | $26,819 | $50,279 | $60,381 | 22678 | 9753 |
| Piatt | $26,492 | $55,752 | $65,850 | 16729 | 6782 |
| Menard | $26,281 | $56,230 | $65,882 | 12705 | 5140 |
| Madison | $26,127 | $51,941 | $64,630 | 269282 | 108094 |
| Boone | $26,105 | $61,210 | $69,380 | 54165 | 18505 |
| Carroll | $25,914 | $44,805 | $55,341 | 15387 | 6622 |
| Clinton | $25,392 | $55,278 | $66,682 | 37762 | 14005 |
| Mercer | $25,332 | $50,909 | $62,025 | 16434 | 6734 |
| Stark | $25,311 | $49,195 | $62,681 | 5994 | 2425 |
| Rock Island | $25,071 | $46,226 | $58,962 | 147546 | 61303 |
| Marshall | $24,991 | $49,116 | $64,781 | 12640 | 5161 |
| LaSalle | $24,982 | $51,705 | $62,252 | 113924 | 45347 |
| Ogle | $24,959 | $55,733 | $64,927 | 53497 | 20856 |
| Henry | $24,915 | $49,164 | $61,467 | 50486 | 20373 |
| Washington | $24,846 | $51,440 | $64,171 | 14716 | 5926 |