| Index | Mount Carroll | Illinois | National |
| Income per capita | $27,966 | $31,502 | $29,829 |
| Median household income | $54,821 | $59,196 | $55,322 |
| Median income owner occupied | $61,917 | $75,354 | $70,586 |
| Median income renter occupied | $38,056 | $34,488 | $35,192 |
| Median earnings male | $40,938 | $40,474 | $36,919 |
| Median earnings female | $30,064 | $27,197 | $26,250 |
| Unemployment rate | 2.2% | 5.3% | 4.7% |
| Poverty level | 10.3% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.7% | 7.7% |
| Manufacturing sector | 23.7% | 23.7% |
| Financial & insurance services | 0.9% | 0.9% |
| Wholesale & retail services | 10.4% | 10.4% |
| Public administration | 12.4% | 12.4% |
| Transportation, warehousing & utilities | 14.2% | 14.2% |
| Education, health & social services | 12.7% | 12.7% |
| Other | 18.0% | 18.0% |
| City | Population | Household Income | National Avg. |
| Pearl City, IL | 831 | $66,458 | 20.1% |
| Coleta, IL | 230 | $56,875 | 2.8% |
| Andover, IA | 160 | $53,125 | 4.0% |
| Shannon, IL | 745 | $52,500 | 5.1% |
| Thomson, IL | 369 | $51,071 | 7.7% |
| Mount Carroll, IL | 1,503 | $54,821 | 0.9% |
| City | Population | Household Income | National Avg. |
| Meadview, AZ | 1,503 | $48,236 | 12.8% |
| Erie, KS | 1,503 | $46,339 | 16.2% |
| Battle Creek, NE | 1,503 | $73,056 | 32.1% |
| Wood River, NE | 1,503 | $58,611 | 5.9% |
| Billington Heights, NY | 1,503 | $67,400 | 21.8% |
| Mount Carroll, IL | 1,503 | $54,821 | 0.9% |