| Index | Oak Grove | Kentucky | National |
| Income per capita | $27,632 | $37,499 | $44,883 |
| Median household income | $57,609 | $66,989 | $81,333 |
| Median income owner occupied | $104,883 | $85,266 | $106,172 |
| Median income renter occupied | $52,189 | $40,176 | $52,080 |
| Median earnings male | $52,856 | $47,734 | $54,343 |
| Median earnings female | $32,879 | $33,481 | $38,439 |
| Unemployment rate | 6.6% | 4.7% | 4.9% |
| Poverty level | 17.7% | 18.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.3% | 7.3% |
| Manufacturing sector | 15.5% | 15.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 25.9% | 25.9% |
| Public administration | 5.5% | 5.5% |
| Transportation, warehousing & utilities | 2.2% | 2.2% |
| Education, health & social services | 10.5% | 10.5% |
| Other | 22.0% | 22.0% |
| City | Population | Household Income | National Avg. |
| Fairview, KY | 240 | $112,984 | 38.9% |
| Fairview city, KY | 151 | $93,467 | 14.9% |
| Pembroke, KY | 742 | $86,094 | 5.9% |
| Clarksville, TN | 160,664 | $84,368 | 3.7% |
| Trenton, KY | 410 | $79,592 | 2.1% |
| Oak Grove, KY | 7,524 | $57,609 | 29.2% |
| City | Population | Household Income | National Avg. |
| New Cumberland, PA | 7,524 | $94,579 | 16.3% |
| Garden Home-Whitford, OR | 7,521 | $127,564 | 56.8% |
| Waikele, HI | 7,519 | $156,513 | 92.4% |
| Pleasantville, NY | 7,529 | $233,478 | 187.1% |
| Shields, MI | 7,518 | $105,035 | 29.1% |
| Oak Grove, KY | 7,524 | $57,609 | 29.2% |