| Index | Frankfort Square | Illinois | National |
| Income per capita | $59,814 | $47,397 | $44,883 |
| Median household income | $169,317 | $88,967 | $81,333 |
| Median income owner occupied | $172,218 | $111,557 | $106,172 |
| Median income renter occupied | $134,973 | $52,117 | $52,080 |
| Median earnings male | $90,344 | $60,185 | $54,343 |
| Median earnings female | $58,808 | $40,368 | $38,439 |
| Unemployment rate | 6.4% | 6.6% | 4.9% |
| Poverty level | 2.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.9% | 16.9% |
| Manufacturing sector | 13.2% | 13.2% |
| Financial & insurance services | 2.0% | 2.0% |
| Wholesale & retail services | 13.7% | 13.7% |
| Public administration | 3.8% | 3.8% |
| Transportation, warehousing & utilities | 12.8% | 12.8% |
| Education, health & social services | 9.7% | 9.7% |
| Other | 23.0% | 23.0% |
| City | Population | Household Income | National Avg. |
| Frankfort, IL | 19,886 | $208,825 | 156.8% |
| Lemont, IL | 17,612 | $172,804 | 112.5% |
| Palos Park, IL | 4,875 | $171,588 | 111.0% |
| New Lenox, IL | 27,687 | $169,277 | 108.1% |
| Homer Glen, IL | 25,242 | $164,552 | 102.3% |
| Frankfort Square, IL | 9,037 | $169,317 | 108.2% |
| City | Population | Household Income | National Avg. |
| Clinton, MO | 9,037 | $58,313 | 28.3% |
| Palm Beach, FL | 9,038 | $254,365 | 212.7% |
| New Albany, MS | 9,039 | $63,348 | 22.1% |
| McFarland, WI | 9,040 | $122,556 | 50.7% |
| Matawan, NJ | 9,033 | $163,695 | 101.3% |
| Frankfort Square, IL | 9,037 | $169,317 | 108.2% |