| Index | Karnes City | Texas | National |
| Income per capita | $16,581 | $27,828 | $29,829 |
| Median household income | $51,754 | $54,727 | $55,322 |
| Median income owner occupied | $55,121 | $70,980 | $70,586 |
| Median income renter occupied | $41,667 | $36,330 | $35,192 |
| Median earnings male | $31,765 | $36,153 | $36,919 |
| Median earnings female | $0 | $25,035 | $26,250 |
| Unemployment rate | 1.1% | 4.1% | 4.7% |
| Poverty level | 22.4% | 16.7% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 13.0% | 13.0% |
| Manufacturing sector | 10.0% | 10.0% |
| Financial & insurance services | 0.3% | 0.3% |
| Wholesale & retail services | 3.4% | 3.4% |
| Public administration | 17.0% | 17.0% |
| Transportation, warehousing & utilities | 11.1% | 11.1% |
| Education, health & social services | 7.0% | 7.0% |
| Other | 30.8% | 30.8% |
| City | Population | Household Income | National Avg. |
| Falls City, TX | 1,001 | $71,250 | 28.8% |
| Poth, TX | 1,805 | $68,529 | 23.9% |
| Kenedy, TX | 3,394 | $36,823 | 33.4% |
| Runge, TX | 1,192 | $33,142 | 40.1% |
| Karnes City, TX | 3,398 | $51,754 | 6.4% |
| City | Population | Household Income | National Avg. |
| Frontenac, KS | 3,398 | $51,563 | 6.8% |
| North Great River, NY | 3,396 | $100,625 | 81.9% |
| Saint-Pascal, QC | 3,396 | n/a | |
| Jena, LA | 3,400 | $58,267 | 5.3% |
| Haworth, NJ | 3,400 | $181,500 | 228.1% |
| Karnes City, TX | 3,398 | $51,754 | 6.4% |
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