| Index | Irmo | South Carolina | National |
| Income per capita | $54,047 | $37,827 | $44,883 |
| Median household income | $112,569 | $68,647 | $81,333 |
| Median income owner occupied | $118,230 | $87,094 | $106,172 |
| Median income renter occupied | $69,845 | $44,371 | $52,080 |
| Median earnings male | $64,972 | $46,426 | $54,343 |
| Median earnings female | $49,068 | $34,595 | $38,439 |
| Unemployment rate | 7.2% | 5.3% | 4.9% |
| Poverty level | 7.4% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 19.3% | 19.3% |
| Manufacturing sector | 7.6% | 7.6% |
| Financial & insurance services | 4.6% | 4.6% |
| Wholesale & retail services | 20.4% | 20.4% |
| Public administration | 5.8% | 5.8% |
| Transportation, warehousing & utilities | 8.2% | 8.2% |
| Education, health & social services | 10.3% | 10.3% |
| Other | 22.0% | 22.0% |
| City | Population | Household Income | National Avg. |
| Lake Murray of Richland, SC | 6,856 | $152,900 | 88.0% |
| Arcadia Lakes, SC | 782 | $140,563 | 72.8% |
| Blythewood, SC | 3,758 | $127,652 | 56.9% |
| Lexington, SC | 22,445 | $108,105 | 32.9% |
| Forest Acres, SC | 10,529 | $98,753 | 21.4% |
| Irmo, SC | 12,834 | $112,569 | 38.4% |
| City | Population | Household Income | National Avg. |
| North St. Paul, MN | 12,835 | $102,482 | 26.0% |
| Boone, IA | 12,825 | $90,131 | 10.8% |
| Winnetka, IL | 12,825 | $376,531 | 362.9% |
| Larkspur, CA | 12,843 | $173,869 | 113.8% |
| Cheney, WA | 12,816 | $65,089 | 20.0% |
| Irmo, SC | 12,834 | $112,569 | 38.4% |