| Index | Mill Creek | Pennsylvania | National |
| Income per capita | $32,433 | $45,532 | $44,883 |
| Median household income | $68,298 | $80,478 | $81,333 |
| Median income owner occupied | $92,639 | $100,571 | $106,172 |
| Median income renter occupied | $51,240 | $46,621 | $52,080 |
| Median earnings male | $62,864 | $57,544 | $54,343 |
| Median earnings female | $18,155 | $39,017 | $38,439 |
| Unemployment rate | 4.7% | 4.7% | 4.9% |
| Poverty level | 4.8% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.6% | 15.6% |
| Manufacturing sector | 14.1% | 14.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 20.3% | 20.3% |
| Public administration | 12.5% | 12.5% |
| Transportation, warehousing & utilities | 7.8% | 7.8% |
| Education, health & social services | 3.1% | 3.1% |
| Other | 26.6% | 26.6% |
| City | Population | Household Income | National Avg. |
| Birmingham, PA | 122 | $131,228 | 61.3% |
| McConnellstown, PA | 1,511 | $108,312 | 33.2% |
| Allensville, PA | 412 | $100,680 | 23.8% |
| McVeytown, PA | 347 | $93,750 | 15.3% |
| Longfellow, PA | 140 | $92,491 | 13.7% |
| Mill Creek, PA | 344 | $68,298 | 16.0% |
| City | Population | Household Income | National Avg. |
| Coffeeville, AL | 344 | $37,439 | 54.0% |
| Hackneyville, AL | 344 | $52,773 | 35.1% |
| Manton, CA | 344 | $168,583 | 107.3% |
| Tallulah Falls, GA | 344 | $100,070 | 23.0% |
| Kapalua, HI | 344 | $195,368 | 140.2% |
| Mill Creek, PA | 344 | $68,298 | 16.0% |