| Index | Marion | South Carolina | National |
| Income per capita | $25,073 | $37,827 | $44,883 |
| Median household income | $36,012 | $68,647 | $81,333 |
| Median income owner occupied | $66,699 | $87,094 | $106,172 |
| Median income renter occupied | $31,794 | $44,371 | $52,080 |
| Median earnings male | $36,525 | $46,426 | $54,343 |
| Median earnings female | $32,550 | $34,595 | $38,439 |
| Unemployment rate | 8.3% | 5.3% | 4.9% |
| Poverty level | 24.5% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 21.6% | 21.6% |
| Manufacturing sector | 20.1% | 20.1% |
| Financial & insurance services | 0.9% | 0.9% |
| Wholesale & retail services | 11.4% | 11.4% |
| Public administration | 2.6% | 2.6% |
| Transportation, warehousing & utilities | 22.0% | 22.0% |
| Education, health & social services | 7.4% | 7.4% |
| Other | 14.0% | 14.0% |
| City | Population | Household Income | National Avg. |
| Aynor, SC | 805 | $118,862 | 46.1% |
| Latta, SC | 1,664 | $57,511 | 29.3% |
| Pamplico, SC | 1,254 | $56,685 | 30.3% |
| Nichols, SC | 234 | $47,743 | 41.3% |
| Mullins, SC | 4,373 | $41,495 | 49.0% |
| Marion, SC | 6,768 | $36,012 | 55.7% |
| City | Population | Household Income | National Avg. |
| Clairton, PA | 6,767 | $54,622 | 32.8% |
| Slave Lake, AB | 6,765 | n/a | |
| Marianna, FL | 6,771 | $39,320 | 51.7% |
| Purcell, OK | 6,764 | $75,132 | 7.6% |
| Bondurant, IA | 6,772 | $139,928 | 72.0% |
| Marion, SC | 6,768 | $36,012 | 55.7% |