| Index | Killen | Alabama | National |
| Income per capita | $36,115 | $36,385 | $44,883 |
| Median household income | $78,058 | $66,002 | $81,333 |
| Median income owner occupied | $77,644 | $82,217 | $106,172 |
| Median income renter occupied | $75,117 | $38,646 | $52,080 |
| Median earnings male | $61,471 | $49,826 | $54,343 |
| Median earnings female | $32,554 | $33,733 | $38,439 |
| Unemployment rate | 2.1% | 5.0% | 4.9% |
| Poverty level | 7.9% | 18.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.7% | 11.7% |
| Manufacturing sector | 11.7% | 11.7% |
| Financial & insurance services | 3.9% | 3.9% |
| Wholesale & retail services | 23.1% | 23.1% |
| Public administration | 5.7% | 5.7% |
| Transportation, warehousing & utilities | 3.9% | 3.9% |
| Education, health & social services | 14.2% | 14.2% |
| Other | 25.6% | 25.6% |
| City | Population | Household Income | National Avg. |
| Anderson, AL | 257 | $106,539 | 31.0% |
| Muscle Shoals, AL | 14,685 | $82,347 | 1.2% |
| Lexington, AL | 831 | $80,220 | 1.4% |
| Rogersville, AL | 1,501 | $68,558 | 15.7% |
| Town Creek, AL | 977 | $63,006 | 22.5% |
| Killen, AL | 1,175 | $78,058 | 4.0% |
| City | Population | Household Income | National Avg. |
| Wickes, AR | 1,175 | $36,829 | 54.7% |
| Halsey, OR | 1,175 | $109,773 | 35.0% |
| Curtisville, PA | 1,175 | $75,876 | 6.7% |
| East Bank, WV | 1,175 | $70,296 | 13.6% |
| Dunnavant, AL | 1,174 | $83,885 | 3.1% |
| Killen, AL | 1,175 | $78,058 | 4.0% |