| Index | Round Lake | Illinois | National |
| Income per capita | $33,471 | $31,502 | $29,829 |
| Median household income | $82,550 | $59,196 | $55,322 |
| Median income owner occupied | $97,448 | $75,354 | $70,586 |
| Median income renter occupied | $40,201 | $34,488 | $35,192 |
| Median earnings male | $48,892 | $40,474 | $36,919 |
| Median earnings female | $31,834 | $27,197 | $26,250 |
| Unemployment rate | 4.7% | 5.3% | 4.7% |
| Poverty level | 8.7% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 10.1% | 10.1% |
| Manufacturing sector | 16.6% | 16.6% |
| Financial & insurance services | 5.7% | 5.7% |
| Wholesale & retail services | 20.7% | 20.7% |
| Public administration | 1.5% | 1.5% |
| Transportation, warehousing & utilities | 10.6% | 10.6% |
| Education, health & social services | 13.7% | 13.7% |
| Other | 20.9% | 20.9% |
| 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% |
| Round Lake, IL | 18,235 | $82,550 | 49.2% |
| City | Population | Household Income | National Avg. |
| North Massapequa, NY | 18,239 | $120,050 | 117.0% |
| Trenton, MI | 18,214 | $69,710 | 26.0% |
| Marshfield, WI | 18,214 | $52,322 | 5.4% |
| San Carlos Park, FL | 18,256 | $67,281 | 21.6% |
| Steinbach, MB | 18,212 | n/a | |
| Round Lake, IL | 18,235 | $82,550 | 49.2% |