| Index | Cary | Illinois | National |
| Income per capita | $44,717 | $31,502 | $29,829 |
| Median household income | $105,344 | $59,196 | $55,322 |
| Median income owner occupied | $112,031 | $75,354 | $70,586 |
| Median income renter occupied | $52,794 | $34,488 | $35,192 |
| Median earnings male | $56,563 | $40,474 | $36,919 |
| Median earnings female | $35,136 | $27,197 | $26,250 |
| Unemployment rate | 3.4% | 5.3% | 4.7% |
| Poverty level | 3.4% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 8.7% | 8.7% |
| Manufacturing sector | 22.4% | 22.4% |
| Financial & insurance services | 5.1% | 5.1% |
| Wholesale & retail services | 16.1% | 16.1% |
| Public administration | 6.5% | 6.5% |
| Transportation, warehousing & utilities | 5.1% | 5.1% |
| Education, health & social services | 9.0% | 9.0% |
| Other | 23.2% | 23.2% |
| 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% |
| Cary, IL | 17,926 | $105,344 | 90.4% |
| City | Population | Household Income | National Avg. |
| Arroyo Grande, CA | 17,924 | $88,068 | 59.2% |
| Beltsville, MD | 17,922 | $81,980 | 48.2% |
| Sainte-Sophie, QC | 17,917 | n/a | |
| Sheridan, WY | 17,938 | $52,167 | 5.7% |
| Lenoir, NC | 17,909 | $39,116 | 29.3% |
| Cary, IL | 17,926 | $105,344 | 90.4% |