| Index | Killen | Alabama | National |
| Median home price | $130,100 | $128,500 | $184,700 |
| Median rent asked | $760 | $728 | $949 |
| Avg. people per household | 2.7 | 2.5 | 2.6 |
| Owner occupied households | 72.7% | 68.5% | 63.6% |
| Renter occupied households | 27.3% | 31.5% | 36.4% |
| Population | Home Price | National Avg. | |
| Iron City, TN | 94 | $31,900 | 83% |
| Leighton, AL | 789 | $58,800 | 68% |
| North Courtland, AL | 783 | $67,100 | 64% |
| Courtland, AL | 896 | $83,300 | 55% |
| St. Joseph, TN | 904 | $84,400 | 54% |
| Killen, AL | 1,146 | $130,100 | 30% |
| Population | Home Price | National Avg. | |
| Squirrel Mountain Valley, CA | 1,146 | $302,700 | 64% |
| Woodland Heights, PA | 1,146 | $110,600 | 40% |
| Granger, TX | 1,146 | $109,600 | 41% |
| Little Valley, NY | 1,145 | $70,800 | 62% |
| Henry Fork, VA | 1,147 | $128,500 | 30% |
| Killen, AL | 1,146 | $130,100 | 30% |
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