| 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% |