| Index | Preston Heights | Illinois | National |
| Income per capita | $31,747 | $47,397 | $44,883 |
| Median household income | $56,018 | $88,967 | $81,333 |
| Median income owner occupied | $85,158 | $111,557 | $106,172 |
| Median income renter occupied | $30,900 | $52,117 | $52,080 |
| Median earnings male | $35,727 | $60,185 | $54,343 |
| Median earnings female | $29,886 | $40,368 | $38,439 |
| Unemployment rate | 5.1% | 6.6% | 4.9% |
| Poverty level | 31.6% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 14.2% | 14.2% |
| Manufacturing sector | 9.5% | 9.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 15.5% | 15.5% |
| Public administration | 4.3% | 4.3% |
| Transportation, warehousing & utilities | 22.5% | 22.5% |
| Education, health & social services | 6.1% | 6.1% |
| Other | 27.4% | 27.4% |
| City | Population | Household Income | National Avg. |
| Frankfort, IL | 19,886 | $208,825 | 156.8% |
| Plainfield, IL | 45,974 | $198,573 | 144.1% |
| 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% |
| Preston Heights, IL | 2,583 | $56,018 | 31.1% |
| City | Population | Household Income | National Avg. |
| Pawnee, IL | 2,583 | $106,122 | 30.5% |
| Slippery Rock University, PA | 2,583 | $0 | 100.0% |
| Allyn, WA | 2,583 | $125,386 | 54.2% |
| Eastpoint, FL | 2,582 | $57,750 | 29.0% |
| Garden Hill First Nation, MB | 2,582 | n/a | |
| Preston Heights, IL | 2,583 | $56,018 | 31.1% |