| Index | Millfield | Ohio | National |
| Income per capita | $41,271 | $41,785 | $44,883 |
| Median household income | $56,664 | $75,222 | $81,333 |
| Median income owner occupied | $88,859 | $98,843 | $106,172 |
| Median income renter occupied | $54,290 | $43,469 | $52,080 |
| Median earnings male | $39,689 | $53,201 | $54,343 |
| Median earnings female | $43,504 | $36,192 | $38,439 |
| Unemployment rate | 0.0% | 4.8% | 4.9% |
| Poverty level | 7.8% | 15.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 21.7% | 21.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 24.3% | 24.3% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 53.9% | 53.9% |
| City | Population | Household Income | National Avg. |
| Carbon Hill, OH | 226 | $125,741 | 54.6% |
| Haydenville, OH | 326 | $88,159 | 8.4% |
| Hemlock, OH | 282 | $84,510 | 3.9% |
| Amesville, OH | 139 | $82,325 | 1.2% |
| Stewart, OH | 337 | $78,026 | 4.1% |
| Millfield, OH | 305 | $56,664 | 30.3% |
| City | Population | Household Income | National Avg. |
| Harding-Birch Lakes, AK | 305 | $95,038 | 16.9% |
| Elfrida, AZ | 305 | $57,910 | 28.8% |
| Grenada, CA | 305 | $65,840 | 19.0% |
| Ceylon, MN | 305 | $65,787 | 19.1% |
| Vesta, MN | 305 | $83,318 | 2.4% |
| Millfield, OH | 305 | $56,664 | 30.3% |