| Index | Rockdale | Illinois | National |
| Income per capita | $24,474 | $31,502 | $29,829 |
| Median household income | $44,406 | $59,196 | $55,322 |
| Median income owner occupied | $78,113 | $75,354 | $70,586 |
| Median income renter occupied | $40,893 | $34,488 | $35,192 |
| Median earnings male | $29,938 | $40,474 | $36,919 |
| Median earnings female | $18,867 | $27,197 | $26,250 |
| Unemployment rate | 6.5% | 5.3% | 4.7% |
| Poverty level | 25.6% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.1% | 7.1% |
| Manufacturing sector | 16.9% | 16.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 13.7% | 13.7% |
| Public administration | 2.6% | 2.6% |
| Transportation, warehousing & utilities | 17.7% | 17.7% |
| Education, health & social services | 7.8% | 7.8% |
| Other | 32.9% | 32.9% |
| City | Population | Household Income | National Avg. |
| Frankfort, IL | 19,166 | $140,731 | 154.4% |
| Plainfield, IL | 44,857 | $131,241 | 137.2% |
| New Lenox, IL | 26,788 | $115,327 | 108.5% |
| Lemont, IL | 17,131 | $114,509 | 107.0% |
| Mokena, IL | 20,720 | $109,935 | 98.7% |
| Rockdale, IL | 2,416 | $44,406 | 19.7% |
| City | Population | Household Income | National Avg. |
| Bridgman, MI | 2,416 | $71,133 | 28.6% |
| Saint-Charles-de-Bellechasse, QC | 2,416 | n/a | |
| Bayard, NM | 2,415 | $52,798 | 4.6% |
| Polk City, FL | 2,417 | $59,402 | 7.4% |
| Milford, NE | 2,417 | $60,329 | 9.1% |
| Rockdale, IL | 2,416 | $44,406 | 19.7% |