| Index | Oak Grove | South Carolina | National |
| Income per capita | $40,468 | $37,827 | $44,883 |
| Median household income | $85,887 | $68,647 | $81,333 |
| Median income owner occupied | $92,334 | $87,094 | $106,172 |
| Median income renter occupied | $53,179 | $44,371 | $52,080 |
| Median earnings male | $60,942 | $46,426 | $54,343 |
| Median earnings female | $49,101 | $34,595 | $38,439 |
| Unemployment rate | 3.3% | 5.3% | 4.9% |
| Poverty level | 13.7% | 17.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 21.3% | 21.3% |
| Manufacturing sector | 16.8% | 16.8% |
| Financial & insurance services | 4.4% | 4.4% |
| Wholesale & retail services | 13.5% | 13.5% |
| Public administration | 6.6% | 6.6% |
| Transportation, warehousing & utilities | 6.2% | 6.2% |
| Education, health & social services | 5.1% | 5.1% |
| Other | 24.4% | 24.4% |
| 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% |
| Irmo, SC | 12,834 | $112,569 | 38.4% |
| Lexington, SC | 22,445 | $108,105 | 32.9% |
| Forest Acres, SC | 10,529 | $98,753 | 21.4% |
| Oak Grove, SC | 12,504 | $85,887 | 5.6% |
| City | Population | Household Income | National Avg. |
| Laurel, FL | 12,504 | $96,430 | 18.6% |
| Overlea, MD | 12,505 | $97,120 | 19.4% |
| Holiday City-Berkeley, NJ | 12,508 | $59,169 | 27.3% |
| Escanaba, MI | 12,509 | $49,539 | 39.1% |
| Middle Valley, TN | 12,498 | $107,780 | 32.5% |
| Oak Grove, SC | 12,504 | $85,887 | 5.6% |