| Index | Smiths Grove | Kentucky | National |
| Income per capita | $38,733 | $37,499 | $44,883 |
| Median household income | $81,245 | $66,989 | $81,333 |
| Median income owner occupied | $86,475 | $85,266 | $106,172 |
| Median income renter occupied | $47,711 | $40,176 | $52,080 |
| Median earnings male | $46,047 | $47,734 | $54,343 |
| Median earnings female | $45,679 | $33,481 | $38,439 |
| Unemployment rate | 6.9% | 4.7% | 4.9% |
| Poverty level | 11.1% | 18.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.2% | 11.2% |
| Manufacturing sector | 24.5% | 24.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 10.7% | 10.7% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 1.5% | 1.5% |
| Education, health & social services | 10.2% | 10.2% |
| Other | 41.8% | 41.8% |
| City | Population | Household Income | National Avg. |
| Plano, KY | 1,270 | $127,880 | 57.2% |
| Plum Springs, KY | 463 | $77,932 | 4.2% |
| Bowling Green, KY | 74,252 | $63,517 | 21.9% |
| Park City, KY | 669 | $60,327 | 25.8% |
| Brownsville, KY | 966 | $55,353 | 31.9% |
| Smiths Grove, KY | 700 | $81,245 | 0.1% |
| City | Population | Household Income | National Avg. |
| West Goshen, CA | 700 | $42,754 | 47.4% |
| Marion, LA | 700 | $58,573 | 28.0% |
| Lakeside, OH | 700 | $89,347 | 9.9% |
| Conneaut Lake, PA | 700 | $85,570 | 5.2% |
| Division No. 4, Subd. C, NL | 700 | n/a | |
| Smiths Grove, KY | 700 | $81,245 | 0.1% |