| Index | Frankfort | Illinois | National |
| Income per capita | $77,526 | $47,397 | $44,883 |
| Median household income | $208,825 | $88,967 | $81,333 |
| Median income owner occupied | $214,500 | $111,557 | $106,172 |
| Median income renter occupied | $82,155 | $52,117 | $52,080 |
| Median earnings male | $115,706 | $60,185 | $54,343 |
| Median earnings female | $68,066 | $40,368 | $38,439 |
| Unemployment rate | 2.6% | 6.6% | 4.9% |
| Poverty level | 2.6% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 11.8% | 11.8% |
| Manufacturing sector | 14.5% | 14.5% |
| Financial & insurance services | 8.2% | 8.2% |
| Wholesale & retail services | 9.8% | 9.8% |
| Public administration | 3.8% | 3.8% |
| Transportation, warehousing & utilities | 5.1% | 5.1% |
| Education, health & social services | 15.9% | 15.9% |
| Other | 29.2% | 29.2% |
| City | Population | Household Income | National Avg. |
| Lemont, IL | 17,612 | $172,804 | 112.5% |
| Palos Park, IL | 4,875 | $171,588 | 111.0% |
| Frankfort Square, IL | 9,037 | $169,317 | 108.2% |
| New Lenox, IL | 27,687 | $169,277 | 108.1% |
| Homer Glen, IL | 25,242 | $164,552 | 102.3% |
| Frankfort, IL | 19,886 | $208,825 | 156.8% |
| City | Population | Household Income | National Avg. |
| Lake Forest, IL | 19,888 | $279,550 | 243.7% |
| Huntington, NY | 19,888 | $198,757 | 144.4% |
| Orinda, CA | 19,891 | $345,621 | 324.9% |
| Plattsburgh, NY | 19,892 | $76,424 | 6.0% |
| Colchester, Subd. B, NS | 19,895 | n/a | |
| Frankfort, IL | 19,886 | $208,825 | 156.8% |