| Index | St. Charles | Illinois | National |
| Income per capita | $75,831 | $47,397 | $44,883 |
| Median household income | $151,617 | $88,967 | $81,333 |
| Median income owner occupied | $181,521 | $111,557 | $106,172 |
| Median income renter occupied | $86,185 | $52,117 | $52,080 |
| Median earnings male | $93,630 | $60,185 | $54,343 |
| Median earnings female | $49,849 | $40,368 | $38,439 |
| Unemployment rate | 3.1% | 6.6% | 4.9% |
| Poverty level | 3.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.3% | 7.3% |
| Manufacturing sector | 18.2% | 18.2% |
| Financial & insurance services | 7.1% | 7.1% |
| Wholesale & retail services | 13.6% | 13.6% |
| Public administration | 4.8% | 4.8% |
| Transportation, warehousing & utilities | 6.4% | 6.4% |
| Education, health & social services | 12.6% | 12.6% |
| Other | 26.8% | 26.8% |
| City | Population | Household Income | National Avg. |
| Inverness, IL | 8,231 | $281,537 | 246.2% |
| South Barrington, IL | 5,144 | $276,370 | 239.8% |
| Campton Hills, IL | 11,243 | $259,945 | 219.6% |
| Wayne, IL | 2,558 | $199,864 | 145.7% |
| Naperville, IL | 151,582 | $193,565 | 138.0% |
| St. Charles, IL | 33,452 | $151,617 | 86.4% |
| City | Population | Household Income | National Avg. |
| La Verne, CA | 33,460 | $139,537 | 71.6% |
| Laramie, WY | 33,442 | $69,349 | 14.7% |
| Pekin, IL | 33,468 | $76,166 | 6.4% |
| Saint-Georges, QC | 33,468 | n/a | |
| College Park, MD | 33,475 | $101,786 | 25.1% |
| St. Charles, IL | 33,452 | $151,617 | 86.4% |