| Index | Irmo | South Carolina | National |
| Income per capita | $35,643 | $25,521 | $29,829 |
| Median household income | $75,344 | $46,898 | $55,322 |
| Median income owner occupied | $80,956 | $57,389 | $70,586 |
| Median income renter occupied | $46,023 | $29,505 | $35,192 |
| Median earnings male | $44,183 | $32,196 | $36,919 |
| Median earnings female | $33,988 | $23,580 | $26,250 |
| Unemployment rate | 6.9% | 5.0% | 4.7% |
| Poverty level | 7.4% | 17.2% | 15.1% |
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| 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 | 6,672 | $102,237 | 84.8% |
| Arcadia Lakes, SC | 756 | $93,148 | 68.4% |
| Blythewood, SC | 3,646 | $86,964 | 57.2% |
| Lexington, SC | 21,847 | $71,850 | 29.9% |
| Forest Acres, SC | 10,300 | $66,265 | 19.8% |
| Irmo, SC | 12,397 | $75,344 | 36.2% |
| City | Population | Household Income | National Avg. |
| Summerland, BC | 12,400 | n/a | |
| Markham, IL | 12,401 | $42,050 | 24.0% |
| Patchogue, NY | 12,389 | $95,455 | 72.5% |
| Brock, ON | 12,406 | n/a | |
| Sidney, BC | 12,386 | n/a | |
| Irmo, SC | 12,397 | $75,344 | 36.2% |
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