| Index | Rock City | Illinois | National |
| Income per capita | $24,151 | $31,502 | $29,829 |
| Median household income | $49,750 | $59,196 | $55,322 |
| Median income owner occupied | $60,000 | $75,354 | $70,586 |
| Median income renter occupied | $30,313 | $34,488 | $35,192 |
| Median earnings male | $34,167 | $40,474 | $36,919 |
| Median earnings female | $27,750 | $27,197 | $26,250 |
| Unemployment rate | 2.0% | 5.3% | 4.7% |
| Poverty level | 7.9% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 15.6% | 15.6% |
| Manufacturing sector | 23.3% | 23.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 15.6% | 15.6% |
| Public administration | 14.4% | 14.4% |
| Transportation, warehousing & utilities | 6.7% | 6.7% |
| Education, health & social services | 4.4% | 4.4% |
| Other | 20.0% | 20.0% |
| City | Population | Household Income | National Avg. |
| Lake Summerset, IL | 1,958 | $91,538 | 65.5% |
| Winnebago, IL | 3,539 | $83,611 | 51.1% |
| Orfordville, WI | 1,450 | $73,542 | 32.9% |
| Dakota, IL | 721 | $63,750 | 15.2% |
| Pecatonica, IL | 1,957 | $62,250 | 12.5% |
| Rock City, IL | 354 | $49,750 | 10.1% |
| City | Population | Household Income | National Avg. |
| Somerville, IN | 354 | $47,083 | 14.9% |
| Everest, KS | 354 | $41,250 | 25.4% |
| Greeley, KS | 354 | $51,136 | 7.6% |
| Uniontown, KS | 354 | $42,083 | 23.9% |
| Otterville, MO | 354 | $32,404 | 41.4% |
| Rock City, IL | 354 | $49,750 | 10.1% |