| Index | Oak Grove | Tennessee | National |
| Income per capita | $27,528 | $26,019 | $29,829 |
| Median household income | $45,324 | $46,574 | $55,322 |
| Median income owner occupied | $65,671 | $58,570 | $70,586 |
| Median income renter occupied | $27,890 | $28,937 | $35,192 |
| Median earnings male | $44,732 | $32,560 | $36,919 |
| Median earnings female | $25,145 | $24,186 | $26,250 |
| Unemployment rate | 3.2% | 4.6% | 4.7% |
| Poverty level | 13.4% | 17.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 12.7% | 12.7% |
| Manufacturing sector | 33.7% | 33.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 14.3% | 14.3% |
| Public administration | 2.4% | 2.4% |
| Transportation, warehousing & utilities | 2.1% | 2.1% |
| Education, health & social services | 16.8% | 16.8% |
| Other | 18.0% | 18.0% |
| City | Population | Household Income | National Avg. |
| Oak Grove CDP (Sumner County), TN | 215 | $67,727 | 22.4% |
| Colonial Heights, TN | 2,889 | $65,864 | 19.1% |
| Walnut Hill, TN | 2,534 | $65,030 | 17.5% |
| Jonesborough, TN | 5,539 | $60,638 | 9.6% |
| Mount Carmel, TN | 5,297 | $57,111 | 3.2% |
| Oak Grove, TN | 4,353 | $45,324 | 18.1% |
| City | Population | Household Income | National Avg. |
| St. Bernard, OH | 4,353 | $64,798 | 17.1% |
| Mountain Home, NC | 4,352 | $45,667 | 17.5% |
| Summerside, OH | 4,352 | $37,799 | 31.7% |
| Aubrey, TX | 4,352 | $64,777 | 17.1% |
| Caldwell, TX | 4,354 | $50,119 | 9.4% |
| Oak Grove, TN | 4,353 | $45,324 | 18.1% |