| Index | Island Lake | Illinois | National |
| Income per capita | $35,714 | $31,502 | $29,829 |
| Median household income | $83,970 | $59,196 | $55,322 |
| Median income owner occupied | $88,500 | $75,354 | $70,586 |
| Median income renter occupied | $77,383 | $34,488 | $35,192 |
| Median earnings male | $51,708 | $40,474 | $36,919 |
| Median earnings female | $33,614 | $27,197 | $26,250 |
| Unemployment rate | 2.8% | 5.3% | 4.7% |
| Poverty level | 8.5% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 17.2% | 17.2% |
| Manufacturing sector | 25.4% | 25.4% |
| Financial & insurance services | 2.2% | 2.2% |
| Wholesale & retail services | 15.1% | 15.1% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 6.9% | 6.9% |
| Education, health & social services | 6.6% | 6.6% |
| Other | 21.9% | 21.9% |
| City | Population | Household Income | National Avg. |
| Kildeer, IL | 4,007 | $212,500 | 284.1% |
| Long Grove, IL | 7,907 | $207,188 | 274.5% |
| Hawthorn Woods, IL | 8,313 | $206,875 | 273.9% |
| North Barrington, IL | 2,789 | $197,188 | 256.4% |
| Trout Valley, IL | 509 | $190,231 | 243.9% |
| Island Lake, IL | 8,112 | $83,970 | 51.8% |
| City | Population | Household Income | National Avg. |
| North Bay Village, FL | 8,108 | $69,239 | 25.2% |
| Irondale, GA | 8,107 | $57,921 | 4.7% |
| Oak Island, NC | 8,118 | $71,193 | 28.7% |
| Eden Isle, LA | 8,103 | $72,862 | 31.7% |
| Croton-on-Hudson, NY | 8,121 | $135,845 | 145.6% |
| Island Lake, IL | 8,112 | $83,970 | 51.8% |