| Index | Mifflin | Pennsylvania | National |
| Income per capita | $29,033 | $45,532 | $44,883 |
| Median household income | $55,912 | $80,478 | $81,333 |
| Median income owner occupied | $76,766 | $100,571 | $106,172 |
| Median income renter occupied | $49,569 | $46,621 | $52,080 |
| Median earnings male | $49,419 | $57,544 | $54,343 |
| Median earnings female | $0 | $39,017 | $38,439 |
| Unemployment rate | 2.0% | 4.7% | 4.9% |
| Poverty level | 12.6% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.3% | 16.3% |
| Manufacturing sector | 52.7% | 52.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 10.1% | 10.1% |
| Public administration | 6.2% | 6.2% |
| Transportation, warehousing & utilities | 6.2% | 6.2% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 8.5% | 8.5% |
| City | Population | Household Income | National Avg. |
| Millerstown, PA | 720 | $147,211 | 81.0% |
| Alfarata, PA | 153 | $131,942 | 62.2% |
| Richfield, PA | 444 | $122,048 | 50.1% |
| Potlicker Flats, PA | 277 | $118,196 | 45.3% |
| McAlisterville, PA | 1,216 | $100,444 | 23.5% |
| Mifflin, PA | 393 | $55,912 | 31.3% |
| City | Population | Household Income | National Avg. |
| Rough Rock, AZ | 393 | $47,916 | 41.1% |
| Woodland, GA | 393 | $50,439 | 38.0% |
| Kismet, KS | 393 | $88,113 | 8.3% |
| Hazel, KY | 393 | $50,468 | 37.9% |
| Elmore, MN | 393 | $56,865 | 30.1% |
| Mifflin, PA | 393 | $55,912 | 31.3% |