| Index | Rockdale | Illinois | National |
| Income per capita | $36,689 | $47,397 | $44,883 |
| Median household income | $65,045 | $88,967 | $81,333 |
| Median income owner occupied | $115,432 | $111,557 | $106,172 |
| Median income renter occupied | $61,246 | $52,117 | $52,080 |
| Median earnings male | $43,615 | $60,185 | $54,343 |
| Median earnings female | $27,375 | $40,368 | $38,439 |
| Unemployment rate | 6.8% | 6.6% | 4.9% |
| Poverty level | 25.6% | 14.0% | 15.1% |

| 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 | 19,886 | $208,825 | 156.8% |
| Plainfield, IL | 45,974 | $198,573 | 144.1% |
| Lemont, IL | 17,612 | $172,804 | 112.5% |
| New Lenox, IL | 27,687 | $169,277 | 108.1% |
| Homer Glen, IL | 25,242 | $164,552 | 102.3% |
| Rockdale, IL | 2,487 | $65,045 | 20.0% |
| City | Population | Household Income | National Avg. |
| Strafford, MO | 2,487 | $71,265 | 12.4% |
| Excelsior, MN | 2,486 | $119,912 | 47.4% |
| Pottsboro, TX | 2,486 | $89,926 | 10.6% |
| Haverhill, FL | 2,488 | $100,146 | 23.1% |
| Belmond, IA | 2,488 | $75,284 | 7.4% |
| Rockdale, IL | 2,487 | $65,045 | 20.0% |