| Index | Round Lake | Illinois | National |
| Income per capita | $49,283 | $47,397 | $44,883 |
| Median household income | $121,525 | $88,967 | $81,333 |
| Median income owner occupied | $143,366 | $111,557 | $106,172 |
| Median income renter occupied | $60,613 | $52,117 | $52,080 |
| Median earnings male | $72,731 | $60,185 | $54,343 |
| Median earnings female | $46,609 | $40,368 | $38,439 |
| Unemployment rate | 4.9% | 6.6% | 4.9% |
| Poverty level | 8.7% | 14.0% | 15.1% |

| 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 | 3,636 | $342,690 | 321.3% |
| Kildeer, IL | 4,158 | $320,299 | 293.8% |
| Long Grove, IL | 8,145 | $313,087 | 284.9% |
| Hawthorn Woods, IL | 8,495 | $305,140 | 275.2% |
| North Barrington, IL | 2,886 | $292,563 | 259.7% |
| Round Lake, IL | 18,833 | $121,525 | 49.4% |
| City | Population | Household Income | National Avg. |
| Cudahy, WI | 18,834 | $92,960 | 14.3% |
| Marshfield, WI | 18,840 | $77,666 | 4.5% |
| Cameron Park, CA | 18,822 | $115,386 | 41.9% |
| San Carlos Park, FL | 18,854 | $100,884 | 24.0% |
| White Oak, OH | 18,862 | $99,299 | 22.1% |
| Round Lake, IL | 18,833 | $121,525 | 49.4% |