| Index | Grayslake | Illinois | National |
| Income per capita | $46,346 | $31,502 | $29,829 |
| Median household income | $99,583 | $59,196 | $55,322 |
| Median income owner occupied | $122,177 | $75,354 | $70,586 |
| Median income renter occupied | $61,836 | $34,488 | $35,192 |
| Median earnings male | $60,763 | $40,474 | $36,919 |
| Median earnings female | $45,588 | $27,197 | $26,250 |
| Unemployment rate | 5.6% | 5.3% | 4.7% |
| Poverty level | 7.7% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 4.9% | 4.9% |
| Manufacturing sector | 19.1% | 19.1% |
| Financial & insurance services | 6.0% | 6.0% |
| Wholesale & retail services | 23.0% | 23.0% |
| Public administration | 3.4% | 3.4% |
| Transportation, warehousing & utilities | 5.4% | 5.4% |
| Education, health & social services | 10.2% | 10.2% |
| Other | 26.4% | 26.4% |
| City | Population | Household Income | National Avg. |
| Riverwoods, IL | 3,536 | $231,477 | 318.4% |
| 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% |
| Grayslake, IL | 20,482 | $99,583 | 80.0% |
| City | Population | Household Income | National Avg. |
| South Frontenac, ON | 20,491 | n/a | |
| Woodbridge, NJ | 20,500 | $93,837 | 69.6% |
| Ashland, KY | 20,449 | $42,639 | 22.9% |
| Suwanee, GA | 20,444 | $90,372 | 63.4% |
| Marblehead, MA | 20,530 | $131,293 | 137.3% |
| Grayslake, IL | 20,482 | $99,583 | 80.0% |