| Index | Northbrook | Illinois | National |
| Income per capita | $72,969 | $31,502 | $29,829 |
| Median household income | $128,883 | $59,196 | $55,322 |
| Median income owner occupied | $145,278 | $75,354 | $70,586 |
| Median income renter occupied | $74,375 | $34,488 | $35,192 |
| Median earnings male | $100,243 | $40,474 | $36,919 |
| Median earnings female | $47,909 | $27,197 | $26,250 |
| Unemployment rate | 1.2% | 5.3% | 4.7% |
| Poverty level | 3.3% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 3.6% | 3.6% |
| Manufacturing sector | 10.4% | 10.4% |
| Financial & insurance services | 16.5% | 16.5% |
| Wholesale & retail services | 12.3% | 12.3% |
| Public administration | 2.0% | 2.0% |
| Transportation, warehousing & utilities | 4.5% | 4.5% |
| Education, health & social services | 16.8% | 16.8% |
| Other | 31.5% | 31.5% |
| City | Population | Household Income | National Avg. |
| Winnetka, IL | 12,361 | $250,001 | 351.9% |
| Kenilworth, IL | 2,356 | $241,591 | 336.7% |
| 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% |
| Northbrook, IL | 33,216 | $128,883 | 133.0% |
| City | Population | Household Income | National Avg. |
| Prairieville, LA | 33,228 | $99,722 | 80.3% |
| Springville, UT | 33,251 | $72,356 | 30.8% |
| Hinesville, GA | 33,304 | $48,580 | 12.2% |
| Lexington, MA | 33,304 | $185,686 | 235.6% |
| Holland, MI | 33,329 | $58,796 | 6.3% |
| Northbrook, IL | 33,216 | $128,883 | 133.0% |