| Index | Irwin | South Carolina | National |
| Income per capita | $31,461 | $37,827 | $44,883 |
| Median household income | $54,895 | $68,647 | $81,333 |
| Median income owner occupied | $58,672 | $87,094 | $106,172 |
| Median income renter occupied | $29,907 | $44,371 | $52,080 |
| Median earnings male | $42,334 | $46,426 | $54,343 |
| Median earnings female | $32,935 | $34,595 | $38,439 |
| Unemployment rate | 1.1% | 5.3% | 4.9% |
| Poverty level | 22.7% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 29.1% | 29.1% |
| Manufacturing sector | 5.3% | 5.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 15.5% | 15.5% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 50.1% | 50.1% |
| City | Population | Household Income | National Avg. |
| Lesslie, SC | 3,264 | $106,740 | 31.2% |
| Elgin town, SC | 1,580 | $84,674 | 4.1% |
| JAARS, NC | 1,120 | $78,824 | 3.1% |
| Catawba, SC | 1,090 | $70,661 | 13.1% |
| Elgin, SC | 2,942 | $69,562 | 14.5% |
| Irwin, SC | 1,335 | $54,895 | 32.5% |
| City | Population | Household Income | National Avg. |
| Enigma, GA | 1,335 | $57,549 | 29.2% |
| Bear Creek, AK | 1,336 | $92,053 | 13.2% |
| Fraser, CO | 1,334 | $83,066 | 2.1% |
| Nelson, GA | 1,336 | $97,446 | 19.8% |
| Toulon, IL | 1,336 | $57,930 | 28.8% |
| Irwin, SC | 1,335 | $54,895 | 32.5% |