| Index | Harmon | Illinois | National |
| Income per capita | $17,440 | $31,502 | $29,829 |
| Median household income | $32,500 | $59,196 | $55,322 |
| Median income owner occupied | $50,833 | $75,354 | $70,586 |
| Median income renter occupied | $0 | $34,488 | $35,192 |
| Median earnings male | $0 | $40,474 | $36,919 |
| Median earnings female | $21,111 | $27,197 | $26,250 |
| Unemployment rate | 1.7% | 5.3% | 4.7% |
| Poverty level | 32.9% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 12.1% | 12.1% |
| Manufacturing sector | 42.4% | 42.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 24.2% | 24.2% |
| Transportation, warehousing & utilities | 3.0% | 3.0% |
| Education, health & social services | 6.1% | 6.1% |
| Other | 12.1% | 12.1% |
| City | Population | Household Income | National Avg. |
| Lost Nation, IL | 570 | $112,697 | 103.7% |
| Como, IL | 525 | $79,250 | 43.3% |
| Grand Detour, IL | 351 | $67,976 | 22.9% |
| La Moille, IL | 801 | $60,288 | 9.0% |
| Ohio, IL | 509 | $60,208 | 8.8% |
| Harmon, IL | 146 | $32,500 | 41.3% |
| City | Population | Household Income | National Avg. |
| Chinese Camp, CA | 146 | $0 | 100.0% |
| Sharpsburg, IA | 146 | $48,125 | 13.0% |
| Hettick, IL | 146 | $51,250 | 7.4% |
| Stoy, IL | 146 | $75,208 | 35.9% |
| Scotland, IN | 146 | $56,071 | 1.4% |
| Harmon, IL | 146 | $32,500 | 41.3% |
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