| Index | Columbia | Kentucky | National |
| Income per capita | $33,869 | $37,499 | $44,883 |
| Median household income | $61,983 | $66,989 | $81,333 |
| Median income owner occupied | $67,308 | $85,266 | $106,172 |
| Median income renter occupied | $29,831 | $40,176 | $52,080 |
| Median earnings male | $27,230 | $47,734 | $54,343 |
| Median earnings female | $18,759 | $33,481 | $38,439 |
| Unemployment rate | 5.1% | 4.7% | 4.9% |
| Poverty level | 18.4% | 18.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 2.0% | 2.0% |
| Manufacturing sector | 19.6% | 19.6% |
| Financial & insurance services | 1.1% | 1.1% |
| Wholesale & retail services | 13.6% | 13.6% |
| Public administration | 9.0% | 9.0% |
| Transportation, warehousing & utilities | 10.5% | 10.5% |
| Education, health & social services | 24.3% | 24.3% |
| Other | 19.9% | 19.9% |
| City | Population | Household Income | National Avg. |
| Greensburg, KY | 2,275 | $50,019 | 38.5% |
| Russell Springs, KY | 2,668 | $48,067 | 40.9% |
| Jamestown, KY | 2,317 | $41,319 | 49.2% |
| Columbia, KY | 4,905 | $61,983 | 23.8% |
| City | Population | Household Income | National Avg. |
| Hummelstown, PA | 4,905 | $87,782 | 7.9% |
| Carthage, MS | 4,904 | $54,942 | 32.4% |
| Cheboygan, MI | 4,906 | $51,673 | 36.5% |
| Hawaiian Ocean View, HI | 4,903 | $36,647 | 54.9% |
| East Harwich, MA | 4,903 | $132,788 | 63.3% |
| Columbia, KY | 4,905 | $61,983 | 23.8% |